Norwalk Building Department | Permits, Inspections & Official Contact

Norwalk permit and inspection navigator

Clear Zoning First, Complete the Inspector Appointment and Close Every Norwalk Permit Correctly

Norwalk, Connecticut does not use one simple online building-permit application for every project. Structural applications are completed with a Building Inspector by appointment, while electrical, plumbing, mechanical and certain roofing, window or siding applications use downloadable forms and direct inspector routing.

The most important step is often completed before the Building appointment: an approved Zoning Permit. Additions, decks, garages, pools, exterior equipment, commercial tenant work and many property changes may require Planning and Zoning, Conservation, Public Works, Fire, Health, WPCA or tax verification before Building can issue the permit.

This guide separates those responsibilities into an easy homeowner path and a deeper professional path. It explains the plan-copy rules, appointment window, trade contacts, inspection request portal, current fees, state-code transition, flood-zone costs and permit-history research process.

Zoning-to-Building sequence explained clearly
Residential, commercial and trade routes separated
Inspection, property research and closeout actions
Norwalk permit moving from zoning to building review and final inspection An animated Norwalk property plan receives zoning approval, building approval and a final inspection while harbor waves move below. NORWALK PROPERTY PLAN ZONING REVIEW BUILDING REVIEW INSPECTIONS ZONING OK PERMIT OK PERMIT FILE FINAL INSPECTION CLOSED LONG ISLAND SOUND
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This guide is for Norwalk, Connecticut—not Norwalk, California Norwalk Building Code Enforcement is located at 125 East Avenue in Norwalk, Connecticut. Building permits are handled by appointment, while trade permit forms are routed digitally to the appropriate inspector.
Start here

Choose the Norwalk Building Department Task You Need

Simple and expert routes

Follow the Homeowner Lane or the Professional Lane

Homeowner or first-time applicant

  1. Check whether zoning approval is required.
  2. Download the correct procedure sheet or trade form.
  3. Prepare the required plans and agency approvals.
  4. Call Building for an appointment when the checklist is complete.
  5. Bring contractor, insurance and cost information.
  6. Request each inspection before covering the work.
  7. Keep the final Certificate of Occupancy or Compliance record.

Contractor, architect, engineer or business owner

  1. Confirm zoning, flood, coastal and wetlands constraints.
  2. Coordinate Building, Fire, Health, DPW, WPCA and trade reviews.
  3. Separate residential, commercial and three-plus-unit procedures.
  4. Include complete labor and material valuations by trade.
  5. Prepare the required number of coordinated plan sets.
  6. Track inspector appointments and portal requests.
  7. Reconcile all trade finals and occupancy approvals before turnover.

Norwalk Permit Route Finder

Select your situation to see the correct department, application route and first practical action.

Official contact panel

Norwalk Building Department Address, Phone Numbers and Hours

Main Building office 203-854-7755 Building procedures and appointments
Chief Building Official William Ireland 203-854-7760
Deputy Building Official Leo Guerrero 203-854-7761
Assistant Building Official Peter Kelly 203-854-7965
Electrical Inspector Sal Cenatiempo 203-854-7968
Mechanical Inspector Paul Zeiss 203-854-7966
Office hours 8:30 AM–4:00 PM Monday through Friday
Office location Norwalk City Hall 125 East Avenue, Room 121/123, Norwalk, CT 06851
Timing matters: Building permits are handled by appointment. Trade inspectors are available from 8:30 AM to 10:30 AM. Inspectors generally leave for field inspections from 10:30 AM to 3:30 PM, so allow up to 24 business hours for a response to a specific question.
Most important first step

Complete the Norwalk Zoning Permit Before the Building Appointment When Required

Define project
Check zoning
Submit paper plans
Receive agency approvals
Meet Building Inspector
Receive permit
Inspect and close

Projects commonly needing zoning

  • Sheds and accessory structures
  • Swimming pools
  • HVAC or exterior equipment
  • Decks, additions and garages
  • Home occupations
  • Commercial fit-ups and signs

Minimum plan package

  • Signed application
  • Site plan at a standard scale
  • Existing and proposed conditions
  • Accurate dimensions
  • Additional survey when required
  • Flood documentation where applicable

Paper-copy rule

  • Three plan copies for residential work
  • Four plan copies for commercial work
  • One completed application copy
  • Drop off in Planning Room 129
  • Monday–Friday, 8:30 AM–4:00 PM
  • Credit or debit card payment only
Extra zoning costs: Norwalk states that an after-the-fact zoning permit is charged at double the listed fee. Zoning applications within a flood zone are subject to an additional $250 fee.
Internal Conservation review: Zoning applications are circulated for Conservation/Wetlands review. After zoning and conservation approval, the applicant is contacted and can continue to the Building Department.
Permit decision matrix

Match Your Norwalk Project to the Correct Permit Route

Project
Primary route
Prepare first
Extra dependency to check
Residential addition or structural alteration
Zoning + residential procedure
Three plan sets, construction cost, contractor license and insurance
Conservation, DPW, Health, WPCA and tax verification
New one- or two-family home
Full residential sequence
Plans, zoning, DPW, WPCA, assessor and tax approvals
Well/septic Health approval and driveway/site work
Commercial tenant fit-up
Commercial appointment
Four plan sets, lease, construction cost and contractor insurance
Fire, Health, WPCA, DPW and zoning
Commercial occupancy with no construction
Tenant fit-up still required
Lease, floor plans, use and occupancy information
Fire, zoning and Certificate of Occupancy
Roofing, windows or siding
Download and email
Application, value, contractor and material information
Zoning usually not required, but confirm unusual exterior conditions
Electrical work
Electrical trade form
Completed form, licensed electrician and job valuation
Zoning for exterior equipment locations
Plumbing, mechanical or HVAC
Trade inspector route
Completed trade form, licensed contractor and scope
Zoning for condensers, rooftop units, tanks or exterior equipment
Deck, fence or wall
Zoning + building requirements
Site plan, setbacks, dimensions and construction details
Flood, coastal, wetlands and property-line issues
Swimming pool
Zoning + building/trades
Site plan, barriers, equipment and electrical information
Wetlands, setbacks and pool safety requirements
Demolition
Demolition procedure
Application, owner, contractor, notices and utility information
Demolition delay, environmental and public-safety requirements
Residential workflow

Norwalk Residential Building Permit Procedure for One- and Two-Family Properties

Complete Planning and Zoning review

Bring the required plans to Planning and Zoning in Room 129. Additions, alterations, new buildings and site work often need zoning approval first.

Planning and Zoning: 203-854-7780.

Complete Conservation and site-related reviews

Conservation review is coordinated in Room 129. DPW approval applies when altering a driveway, building a new home or expanding the first floor.

Conservation: 203-854-7744. DPW: 203-854-7791.

Check Health and WPCA requirements

Health approval is required when a residence has a septic system or well, even when the project does not directly affect that system. WPCA approval is listed for new homes.

Health: 203-854-7995. WPCA: 203-854-3228.

Verify the parcel and taxes

The official residential procedure routes applicants through the Tax Assessor and Tax Collector for parcel verification and proof that taxes are paid.

Assessor: 203-854-7887. Tax Collector: 203-854-7731.

Prepare three total plan sets

The residential procedure states that three total plan sets are required, including two department-stamped construction or floor-plan copies for Building—one for the file and one job copy.

Expert check: Make sure site, floor, elevation, structural and trade information are coordinated before printing.

Bring contractor and valuation documents

Prepare the complete construction cost, including trade prices. The contractor should bring a license and workers’ compensation or insurance certificate.

Valuation rule: Norwalk bases construction value on labor and material calculations determined by the department.

Call for the Building Inspector appointment

Building permit applications are not distributed as a public blank form for this route. The official procedure says the inspector completes the application during the appointment.

Call: 203-854-7755 and follow the Building prompts.
Commercial workflow

Norwalk Commercial, Tenant Fit-Up and Three-Plus-Unit Procedure

A tenant fit-up is required to occupy a commercial space even when no construction work was performed. Do not assume a lease or prior tenant’s approval authorizes the new business.

Core approvals

  • Planning and Zoning
  • Conservation
  • Fire Marshal
  • Department of Public Works
  • Tax Assessor
  • Tax Collector

Business-specific approvals

  • Health for restaurants and food service
  • Health for beauty and nail salons
  • WPCA fats, oils and grease review
  • Redevelopment review in designated areas
  • Road and utility approvals
  • Fire and occupancy requirements

Building appointment package

  • Four total plan sets
  • Copy of tenant lease
  • Complete construction valuation
  • Trade-price breakdown
  • Workers’ compensation or insurance
  • Completed agency approvals
Restaurant sequencing: The official commercial procedure directs restaurants to obtain the city packet and arrange WPCA review of fats, oils and grease plans before expecting final Building approval.
Trade permit routing

Norwalk Electrical, Plumbing, Mechanical and Exterior Replacement Permits

Permit type
Official contact
Practical submission route
Electrical
Sal Cenatiempo
203-854-7968
Download the electrical application, complete it and email or scan it to the Electrical Inspector using the official staff route.
Mechanical and plumbing
Paul Zeiss
203-854-7966
Use the mechanical or plumbing form and contact the Mechanical Inspector for applications, inspections and appointments.
Roofing, windows and siding
Download the application and email it directly. These projects generally do not require a zoning permit.
Trade permit with outside sign-off
Main Building office
203-854-7755
When Zoning, Health, Conservation or another department must approve the work, follow the structural permit procedure instead of using only a standalone trade form.
Exterior-equipment rule: Rooftop units, above-ground LP tanks, exterior oil tanks and air-conditioning condensers—new or replacement—must have zoning approval for their location.
Fees and worked examples

Norwalk Building Permit Fees and Construction-Value Calculations

Fee-date warning: Norwalk currently links a Building Permit Fee document dated February 1, 2021. Use it for planning, but confirm the amount with Building before paying because fee schedules and state surcharges can change.
Permit or service
Linked fee
Important note
Residential building permit
$18 plus $0.26 state education fee per $1,000 or part; $100 minimum
One- and two-family residential work
Residential C/O or Compliance
$25
Applies to single- and two-family records
Commercial building permit
$20 plus $0.26 state education fee per $1,000 or part; $150 minimum
Condominium complexes use the commercial rate
Commercial C/O or Compliance
$50
Tenant fit-up or occupancy closeout may require this
Residential electrical, plumbing or HVAC
$18 plus $0.26 per $1,000; $100 minimum
Trade fees are not included in the building permit fee
Commercial electrical, plumbing or HVAC
$20 plus $0.26 per $1,000; $150 minimum
Each trade is calculated separately
Sewer permit
$100 minimum
Confirm WPCA and DPW requirements
Weekend or off-hour inspection
$250 per inspector
Arrange and confirm availability before relying on this service

Residential example

$25,000 construction value

25 × $18.26 = $456.50

Plus $25 residential C/O fee = $481.50

This example excludes separate trade, zoning, flood, DPW or other agency charges.

Commercial example

$75,000 construction value

75 × $20.26 = $1,519.50

Plus $50 commercial C/O fee = $1,569.50

Separate electrical, plumbing, mechanical, Fire and other fees may apply.

Demolition fee conflict: Norwalk’s linked 2021 Building fee sheet and the separate Demolition webpage show different demolition rates, minimums and moving-building fees. Ask Building for the current written amount before submitting or budgeting a demolition project.
Current state code

Which Connecticut Building Code Applies in Norwalk?

Current effective code

The Connecticut Department of Administrative Services identifies the 2022 Connecticut State Building Code as the current code for applications filed from October 1, 2022.

It is based on the 2021 International Codes and references ICC A117.1-2017 for accessibility.

2026 code adoption update

The next Connecticut codes were expected to take effect July 1, 2026, but the state says the effective date has been delayed while legislative review remains pending.

Confirm the applicable code edition with Norwalk before finalizing plans for a project near the transition date.

Inspection command center

How to Request and Prepare for Norwalk Building Inspections

Online inspection request

The Citizen Access request page asks for the permit number, address, inspection date, inspection type, jobsite contact, phone, AM or PM preference and inspector comments.

Open the inspection request form

Building inspection contacts

Leo Guerrero: 203-854-7761
lguerrero@norwalkct.gov

Peter Kelly: 203-854-7965
pkelly@norwalkct.gov

Confirm the appointment time

The portal advises applicants to contact the office on the morning of the appointment to confirm the time.

AM or PM is a request, not a guaranteed exact arrival time.

Before scheduling
Why it matters
Confirm the permit has been issued
An application or approval-in-progress does not authorize inspection or construction.
Use the exact required inspection type
Foundation, framing, rough trade, insulation and final inspections occur at different stages.
Keep approved plans available
The inspector must compare the work with the approved permit documents.
Leave concealed work exposed
Framing, wiring, plumbing, mechanical systems or insulation may need to be reopened.
Provide safe access
Unlock gates, provide ladders when needed and identify the jobsite contact.
Complete every prior correction
Request reinspection only when all cited items are ready for verification.
Inspector availability: Inspectors are generally in the field from 10:30 AM to 3:30 PM. Call or email the correct inspector and allow approximately 24 business hours for a detailed response.
Permit status decoder

What Common Norwalk Permit Stages Mean

Zoning review Planning and Zoning is checking use, location, setbacks, plans and flood or conservation requirements.
Procedure list incomplete One or more agency approvals, plan copies, tax documents or contractor records are missing.
Building appointment needed The procedure sheet is ready and an inspector appointment must be arranged.
Plan review The Building Inspector is reviewing construction documents and code compliance.
Corrections required Revised plans, construction details, approvals or contractor information must be supplied.
Issued Work may proceed only within the approved scope and required inspection sequence.
Inspection correction Correct every cited item before requesting another inspection.
C/O or Compliance complete Save the final certificate and confirm all standalone trade permits are also closed.
Property permit history

How to Check Norwalk Open Permits and Certificate Records

Download the Research Request Form

Use the form to request a Certificate of Occupancy or Compliance, Building Permit, Planning and Zoning application, zoning compliance or standalone trade records.

Collect the property identity

Provide the property address, owner name, district/block/lot, year built and known permit numbers.

Commercial request: The form requires an updated tenant list.

Email the request

Send the completed form to kgatto@norwalkct.gov.

Search availability: The form says permits for single- and two-family dwellings are available from 1971 to the present.

Wait for the file and cost notice

Copy fees depend on document size and certification. Commercial plan pages and certified copies cost more than standard file copies.

Confirm delivery or pickup instructions

The current Research Request Form says documents are no longer scanned and emailed and should be picked up in Room 123 between 8:30 AM and 3:00 PM. The department webpage describes scanning and delivery after payment.

Because the official instructions conflict: Call 203-854-7755 before relying on email delivery.
Research item
Current form fee
Non-certified standard-size file copy
$0.50 per page
Commercial building plan
$10 per page
Certified true copy
$10 per page
Permit closeout

What to Do When a Norwalk Permit Is Still Open

Collect the project history

  • Building permit number
  • Standalone trade permits
  • Zoning approval
  • Approved plan set
  • Inspection notes
  • Contractor information

Find the missing action

  • Unscheduled inspection
  • Failed inspection
  • Open electrical permit
  • Open plumbing or mechanical permit
  • Missing zoning compliance
  • Missing C/O or Compliance

Ask Building for the current remedy

  • Can the permit be reactivated?
  • Are revised plans required?
  • Must hidden work be exposed?
  • Can the contractor be changed?
  • Which finals remain?
  • Which document proves closure?
Property-sale warning: A Building Permit or Certificate record should be researched early in a purchase or sale. Waiting until closing week may leave too little time to inspect concealed work, reactivate permits or obtain missing trade finals.
Troubleshooting center

Fix Common Norwalk Building Permit Problems

Problem
Likely reason
Best next action
I cannot find a blank structural building application
Residential and commercial applications are completed with an inspector by appointment
Complete the procedure list and call 203-854-7755
Building will not start the review
Zoning, Conservation or another approval is missing
Complete the applicable agency route and bring proof to the appointment
My exterior HVAC equipment is delayed
Zoning approval for the equipment location was not obtained
Submit the zoning location information before resending the trade permit
I submitted too few plan copies
Residential and commercial procedures have different paper requirements
Prepare three residential or four commercial sets as instructed
The inspector is not answering during the day
Inspectors are usually in the field from 10:30 AM to 3:30 PM
Leave a detailed message and allow 24 business hours for a response
The online inspection form does not show my permit
The record may not be issued, entered or eligible for online scheduling
Contact the assigned Building or trade inspector directly
A property search found an old open permit
A final inspection or C/O/Compliance step was missed
Request the full permit history and ask for a current closeout checklist
Official demolition fees do not match
Norwalk’s fee sheet and demolition webpage publish different figures
Obtain the current amount directly from Building before paying
Work was completed without zoning approval
The project was filed after construction or installation
Stop additional work and expect a double zoning fee plus possible corrections
The property is in a flood zone
Additional zoning, survey and flood documentation apply
Prepare the extra documentation and budget the additional $250 zoning fee
Ready-to-use scripts

What to Say When You Contact the Norwalk Building Department

Permit requirement question
“I am planning [exact work] at [full address]. Can you confirm whether I need a zoning permit first, which building procedure applies, how many plan sets I need and which department sign-offs must be completed?”
Building appointment request
“I have completed the residential/commercial procedure list for [address]. I have [number] plan sets, the construction valuation, contractor license and insurance. May I schedule the Building Inspector appointment?”
Trade permit message
“Attached is the [electrical/plumbing/mechanical] application for [address]. The project scope is [scope], the valuation is [amount], and the contractor is [name/license]. Please advise if zoning or another sign-off is required.”
Inspection request
“I need the [inspection type] inspection for permit [number] at [address]. The work is complete for that stage, remains exposed and is accessible. The jobsite contact is [name and phone].”
Open-permit research
“I am researching [address] for open permits and Certificate of Occupancy or Compliance records. The owner is [name], district/block/lot is [number], and the approximate work year is [year].”
Permit closeout question
“Permit [number] at [address] is not closed. Can you identify the missing Building, electrical, plumbing, mechanical, zoning or C/O action required now?”
Final completion checklist

Do Not Consider the Norwalk Permit Complete Until These Items Are Confirmed

  • Correct Norwalk, Connecticut jurisdiction confirmed
  • Zoning requirement checked
  • Flood, coastal and wetlands issues reviewed
  • Correct residential or commercial procedure selected
  • Required plan-copy count prepared
  • Agency approvals completed
  • Construction and trade values documented
  • Contractor license and insurance prepared
  • Building appointment completed
  • Permit formally issued
  • Trade permits issued separately
  • Approved plans kept at the jobsite
  • Work left exposed for inspection
  • Every correction resolved
  • Building and trade finals passed
  • C/O or Compliance obtained
  • Permit research record saved
  • Owner receives the final project file
Keep a project copy: Print this checklist or save the page as a PDF.
Address and map

Norwalk Building and Code Enforcement Location

Norwalk City Hall: 125 East Avenue, Room 121/123, Norwalk, CT 06851.
Main Building phone: 203-854-7755.
Visit preparation: Confirm the appointment, room number, plan-copy count and completed agency approvals before traveling.
Official resource library

Open the Correct Norwalk Permit Resource

Frequently asked questions

Norwalk Building Permit, Trade Permit and Inspection FAQs

Where is the Norwalk Building Department located?

Norwalk Building Code Enforcement is located at 125 East Avenue, Room 121/123, Norwalk, Connecticut 06851. The main phone number is 203-854-7755.

What are the Norwalk Building Department hours?

The official staff directory lists office hours Monday through Friday from 8:30 AM to 4:00 PM. Building permits are handled by appointment, while electrical, plumbing and HVAC permit service is listed from 8:30 AM to 10:30 AM.

Can I download a Norwalk structural building-permit application?

The official residential and commercial procedures state that structural building-permit applications are completed by a Building Inspector during an appointment. Complete the required procedure list, plans and agency approvals before calling 203-854-7755.

Do I need a Norwalk zoning permit before a building permit?

Many projects require an approved zoning permit before the Building appointment, including additions, decks, garages, pools, accessory structures, exterior equipment, home occupations and commercial changes. Roofing, window, siding, cabinet replacement and repaving may be exempt from zoning, but should still be confirmed.

How do I submit a Norwalk electrical, plumbing or mechanical permit?

Download the appropriate trade application, complete and scan or upload it, and send it to the responsible inspector. Electrical is handled by Sal Cenatiempo at 203-854-7968, while plumbing and mechanical are handled by Paul Zeiss at 203-854-7966.

How do I schedule a Norwalk building inspection?

Use the Norwalk Citizen Access inspection-request page or contact Leo Guerrero at 203-854-7761 or Peter Kelly at 203-854-7965. The portal asks applicants to confirm the time with the office on the morning of the inspection.

How much is a Norwalk residential building permit?

The city’s linked fee sheet lists $18 plus a $0.26 state education fee per $1,000 or part of the construction value, with a $100 minimum, plus a $25 Certificate of Occupancy or Compliance fee. Confirm the live amount before payment.

How much is a Norwalk commercial building permit?

The linked fee sheet lists $20 plus a $0.26 state education fee per $1,000 or part of the construction value, with a $150 minimum, plus a $50 commercial Certificate of Occupancy or Compliance fee. Separate trade and agency charges may apply.

How do I check whether a Norwalk property has open permits?

Complete the official Research Request Form and email it to kgatto@norwalkct.gov. Include the address, owner, district/block/lot, year built and known permit numbers. Call the office to confirm whether records must be picked up because official delivery instructions currently conflict.

Which Connecticut building code is currently in effect?

The State currently identifies the 2022 Connecticut State Building Code as effective for permit applications filed from October 1, 2022. The expected July 1, 2026 adoption of the next code was delayed pending state legislative review.

Source and freshness notes

Independent Guide and Official-Action Notice

Building-Department.org is an independent informational website and is not the City of Norwalk. Applications, permits, inspections, zoning decisions, payments, certificates and code interpretations must be handled through the City of Norwalk or the appropriate Connecticut agency.

This guide was refreshed using current Norwalk Building Code Enforcement, Permit Center, Planning and Zoning, Staff Directory, Citizen Access, fee, residential procedure, commercial procedure, property-research and Connecticut State Building Code resources on July 21, 2026.

Forms, staff assignments, fee schedules, code adoption dates, paper-copy requirements and record-delivery procedures can change. Confirm time-sensitive details before filing, paying, printing plan sets or beginning construction.

Free Building Permit & Inspection Assistant

Check Permit Type, Estimate Fees, Prepare Inspections and Find Official Building Department Links

Use this free tool before applying for a building permit, booking an inspection, checking zoning rules, or searching permit records. It helps homeowners, contractors, landlords, buyers, and business owners understand the next step before visiting the official building department portal.

Start Permit Helper
8 toolsPermit finder, fee estimate, inspection checklist, zoning pre-check, and official searches.
All citiesWorks sitewide on city, county, village, and regional building department pages.
No loginNo address, permit number, email, or private data is required to use the tool.
Mobile-firstBuilt for visitors checking permits and inspections from a phone.

What building department task do you need help with?

Choose your goal. The tool will suggest the right next step, what to prepare, and which official page to check.

Homeowner tip

Before starting work, check whether your project needs building, zoning, electrical, plumbing, mechanical, right-of-way, or HOA approval.

Contractor tip

Many portals require contractor registration, license details, insurance, plans, owner authorization, and inspection scheduling access.

Building Permit Type Finder

Select the project type to understand which permits or reviews are commonly required. Always confirm with the official local building department.

Permit Fee Estimate Calculator

Estimate a rough permit fee using project value and common percentage-based review assumptions. Local minimum fees, technology fees, impact fees, reinspection fees, and trade fees can change the final amount.

Inspection Readiness Checklist

Use this before scheduling framing, electrical, plumbing, mechanical, roofing, final, or certificate-related inspections.

Zoning and Setback Pre-check

Use this before applying for a permit when your project may affect land use, setbacks, lot coverage, height, parking, signs, fences, accessory structures, or business use.

Plan Review Timeline Estimator

Estimate how complex your review may be. Local staffing, incomplete plans, corrections, holidays, fire review, zoning review, and outside agency review can change timing.

Permit Records Search Helper

Use this if you are trying to find old permits, inspection history, certificate of occupancy details, open permits, or code-related records.

Official Building Department Resource Finder

Enter city/county and state to create safe searches for official permit portals, inspection scheduling, building codes, zoning maps, forms, fees, and contact pages.

Building Department vs Planning/Zoning

  • Building Department: permits, plan review, inspections, code compliance, certificates.
  • Planning/Zoning: land use, setbacks, height, lot coverage, signs, parking, variances.

Best sitewide placement

Place this tool after the first main guide section or before FAQs. It turns a normal article into a practical permit-preparation page.

Important note

This tool gives educational guidance only. Final permit requirements, fees, inspections, forms, and deadlines must be confirmed with the official local building department.

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