City Of Napa Building Department | Permits, Inspections & Official Contact

Updated 2026 • Official links manually reviewed

City of Napa Building Department: Permits, Plan Review, Inspections, eTRAKiT and Official Contact

Planning construction in Napa requires careful attention because the city does not use an online portal for permit submittals, but it does use eTRAKiT for online inspection scheduling. A project may need over-the-counter permit processing, express review, full plan review, sanitation review, school district development fees, planning review, fire review, stormwater review, special inspections or final approvals from multiple city and outside agencies.

This guide explains the official City of Napa Building Division process in simple language, so homeowners, contractors, designers, business owners and property buyers can avoid wrong assumptions, missed submittal windows, incomplete plans and inspection delays.

707-257-9540Building Division
707-257-1063Automated inspections
1600 First StBuilding counter
No portalFor permit submittals
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Office

City of Napa Building Division, 1600 First Street, Napa, CA 94559.

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Phone

Call 707-257-9540 for Building Division permit and plan review help.

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Inspections

Call 707-257-1063 or use eTRAKiT to schedule inspections at least 24 hours ahead.

Counter hours

Monday-Thursday, 8 AM-4 PM. Last submittal or permit issuance is 3:30 PM.

Official City of Napa Building Permit Links and Resources

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City of Napa Building Division contact 707-257-9540

Email: building@cityofnapa.org. Address: 1600 First Street, Napa, CA 94559. Automated inspection line: 707-257-1063. Counter hours are Monday-Thursday, 8:00 AM to 4:00 PM, with last submittal and/or permit issuance at 3:30 PM.

Editorial review note: This guide was manually reviewed against official City of Napa resources before publication, including Building Division, Permits and Plan Review Information, Inspections, eTRAKiT, Applications and Forms, Staff Directory, ADU, EVCS, Solar PV and official FAQ resources.
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Important portal note: The City of Napa states that it does not have an online portal for permit submittals. eTRAKiT is for online inspection scheduling. For new permit submittals, follow official Building Division counter and application instructions.
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Independent guide: Building-Department.org is not the City of Napa. Official permit applications, inspections, payments, plan review decisions and code actions must be handled through the City of Napa or its official systems.

Permit basics

What the City of Napa Building Division Does

The City of Napa Building Division helps property owners, contractors and design professionals with building permits, plan review, permit issuance and inspections for construction work inside the City of Napa.

The city’s building permit process is different from many modern cities because Napa clearly states that it does not have an online portal for permit submittals. This makes it more important to use the correct application, prepare complete plan sets and submit during counter hours.

Permit review options

Napa uses over-the-counter permits, express review and full plan review depending on project complexity.

Plan review

Projects with plans must include enough detail to show location, nature, extent of work and code compliance.

Inspections

After permit issuance, required inspections can be scheduled by automated phone line or eTRAKiT.

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Before you go to the counter: Last submittal and/or permit issuance is 3:30 PM. Arriving near closing with incomplete forms, unclear work description or missing plan sets can delay your permit.
Plan review options

City of Napa Permit and Plan Review Options

Napa offers different review paths depending on the project. The city encourages applicants to contact the Building Division before submitting to confirm the correct permit and plan review option.

Review type
City guidance
Practical tip
Over-the-counter permit
Used for projects that do not require plans. Examples include electrical service change-outs, furnace and water heater change-outs and roofing.
Bring a completed application with an accurate work description.
Express review
Used for minor building projects where plans can be reviewed at the counter in about 10-15 minutes.
Examples include minor residential interior remodels, rooftop PV under 10KW, window/door replacement, seismic upgrades and patio covers.
Commercial TI limitation
Commercial tenant improvement projects are not eligible for Express Review and must use Rapid or Full review.
Commercial applicants should plan for more review time and more complete submittal documents.
Full review
Plans are reviewed within 21 business days of submittal.
Use three to six sets of plans and additional documentation as required by submittal checklists.
2025 California Codes
Permits applied for on January 1, 2026 or after must comply with adopted 2025 California Codes.
Make sure your designer, contractor and energy documents use the correct code cycle.

Open City of Napa Permits and Plan Review Information

Permit exemptions

Work That May Be Exempt From a City of Napa Building Permit

Napa’s permit information page references 2025 California Building Code section 105.2 and lists building work that may be exempt from permits. However, the city also states that all work, including work exempt from permits, must comply with applicable codes and ordinances.

Possible exemption
City-listed condition
Practical warning
Small accessory structures
One-story detached accessory structures used as tool/storage sheds, playhouses and similar uses, with floor area not greater than 120 square feet.
Planning setbacks, zoning and flood/fire rules may still apply.
Fences
Fences not over 7 feet high.
Height, location, visibility, historic district or planning rules may still matter.
Retaining walls
Retaining walls not over 4 feet from bottom of footing to top of wall, unless supporting surcharge or impounding certain liquids.
Slope, drainage and surcharge conditions can trigger permit or engineering needs.
Water tanks
Water tanks supported directly on grade if not greater than 5,000 gallons and height-to-diameter or width ratio is not greater than 2:1.
Fire, zoning, utility or site rules can still apply.
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Do not stop at “exempt”: Building permit exemption does not always mean zoning, fire, flood, sanitation, public works or historic review exemption. Ask before building close to property lines or drainage areas.
Submittal package

What to Prepare Before Submitting a Napa Building Permit

Because Napa does not currently offer online permit submittals, your counter package should be organized and complete before you arrive. Missing plan sets or unclear work descriptions can turn a simple visit into a return trip.

Completed application

Use a current city application and write a clear, accurate work description.

Plan sets

Express and full review projects may require multiple plan sets in minimum paper sizes specified by the city.

Submittal checklists

Use the official applications, checklists and forms page before visiting the counter.

Outside agency items

Napa Sanitation District or Napa Valley Unified School District review or fees may apply depending on scope.

Code cycle

Permits applied for on or after January 1, 2026 must comply with adopted 2025 California Codes.

Inspection planning

After issuance, plan inspections at least 24 hours ahead and understand AM/PM windows.

Open Building Applications, Checklists and Forms

Outside agency review

Napa Sanitation District, School Fees and Other Agency Reviews

The Building Division page notes that some projects may trigger outside agency review or fees. This is easy to miss if you only think about the building permit.

Agency or review
Official note
Practical step
Napa Sanitation District
Depending on the scope of work, the project may trigger review from Napa Sanitation District.
Contact NapaSan directly at 707-258-6000 if sewer, fixture, tenant, commercial or occupancy changes may apply.
Napa Valley Unified School District
Depending on scope, the project may trigger submission of development fees from NVUSD.
Contact NVUSD directly at 707-253-6281 for school fee clarification.
Fire Hazard Severity Zone maps
Napa references adopted Local Responsibility Area Fire Hazard Severity Zone maps from the State Fire Marshal.
Check fire hazard mapping and fire-related requirements for affected properties.
Final agency approvals
Napa’s inspection page lists final approvals from fire, sanitation, planning, flood control, public works, health and utilities where applicable.
Do not request final building too early if outside finals remain open.
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Project planning tip: Commercial tenant improvements, new construction, additions, plumbing fixture changes, ADUs and occupancy changes may involve more than the Building Division. Ask about outside reviews before setting your construction schedule.
Inspections

How to Schedule City of Napa Building Inspections

Napa building inspections are offered Monday through Friday except city holidays. Inspections must be scheduled at least 24 hours ahead and are offered in AM or PM windows.

Inspection item
Official guidance
Practical tip
Phone scheduling
Call the automated inspection line at 707-257-1063 and select the correct inspection code.
Have your permit number and inspection code ready before calling.
Online scheduling
Use eTRAKiT online inspection scheduling.
Remember eTRAKiT is for inspection scheduling, not permit submittal.
Advance notice
Inspections need to be made at least 24 hours prior or planned ahead.
Do not schedule trades tightly before confirming inspection timing.
Time windows
AM window is 8 AM-12 PM; PM window is 12 PM-4 PM.
Inspectors cannot call when on the way or give a narrower time window.
Final approvals
All applicable finals must be approved before Building Final.
Check fire, sanitation, planning, public works, stormwater, utility and other finals if listed on your project.
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Inspection readiness: Keep approved plans, permit card, job access, ladders, unlocked gates and safe work areas ready. Do not cover framing, rough trades, insulation or structural work before required inspections are approved.

Open City of Napa Inspections page

Open eTRAKiT online inspection scheduling

Inspection examples

Common Napa Inspection Types and Final Approvals

Napa publishes many inspection codes. Your specific permit will determine which inspections are required, but the examples below show why checking the inspection list early matters.

Inspection group
Examples
Practical note
Underground
Underground DWV, underground electric, underground gas and underground water.
Call before covering trenches or underground work.
Foundation
Setbacks, footings/steel, piers and slab reinforcement.
Do not pour concrete before required inspection approval.
Rough trades
Rough framing, rough electric, rough mechanical, rough plumbing and gas test/release.
Rough work must be visible and ready for inspection.
Insulation and drywall
Underfloor insulation, wall insulation, ceiling/attic insulation and drywall/sheetrock.
Do not cover walls or ceilings until required rough inspections are complete.
Pool and spa
Pre-gunite, pre-deck, pre-plaster/pool barrier and underground pool plumbing/electrical.
Pool projects have several timing-sensitive inspections.
Final approvals
Fire Prevention, Napa Sanitation, Planning Division, Flood Control, Public Works, Napa County Health, stormwater, water utilities and 999 Final Building.
All applicable finals must be approved before Building Final.
Special project resources

ADUs, EV Chargers, Solar PV, Swimming Pools and Waste Reduction Plans

The Building Division links to special resources for common high-demand projects. Use these official pages early because project-specific rules can change what you need to submit.

Accessory Dwelling Units

ADU projects can involve planning, building, sanitation, school fees and utility considerations.

Electric Vehicle Charging Station

EVCS projects may have specific checklist and permit review requirements.

Solar PV

Rooftop PV under 10KW may qualify for express review, but always check current Napa requirements.

Swimming pools

Pool and spa work has multiple inspection stages and barrier/final approval requirements.

Waste reduction

Some projects may require a Waste Reduction & Recycling Plan or materials diversion steps.

Address changes

New or changed addressing may require separate city processing before records are correct.

Best habit: Before submitting, check whether your project has a special City of Napa resource page. ADU, solar, EVCS, pool and waste reduction requirements can affect documents, fees and inspections.
Fees and timing

City of Napa Permit Fees, Refund Policy and Review Timing

The Building Division links to the city’s Master Fee Schedule and Refund Policy. Fees can depend on project type, valuation, review route, outside agency requirements and revisions.

Master Fee Schedule

Use the official fee schedule before budgeting for permits, plan review and related project costs.

Full review timing

Full plan review is listed as within 21 business days of submittal.

Outside fees

Napa Sanitation District and Napa Valley Unified School District fees or review may apply depending on scope.

Refund policy

Check the city’s refund policy before canceling or changing a submitted permit.

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Budget tip: Do not budget only for construction materials. Permit fees, plan review, outside agency fees, school development fees, sanitation review, revisions, inspections and final approval conditions can affect total cost.
Permit records

Permit Records, eTRAKiT and Property Due Diligence in Napa

eTRAKiT is mainly highlighted by the city for online inspection scheduling, but property owners and buyers should still keep a complete project file because permit and inspection records can matter during resale, refinance, insurance and future remodels.

Keep permit documents

Save applications, stamped plans, permit card, fee receipts and inspection results.

Check final approvals

Make sure all required agency finals are cleared before relying on the project as complete.

Ask before buying

Ask sellers about open permits, unfinaled work, ADUs, pools, roof work, solar and remodels.

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Buyer tip: Before buying a Napa property, ask specifically about unfinaled permits, additions, garage conversions, ADUs, seismic work, water heater/furnace replacements, roof work, solar PV, pool work and any sanitation or planning conditions.
Avoid mistakes

Why City of Napa Building Permits and Inspections Get Delayed

Most delays are preventable. They usually happen because applicants expect online submittal, arrive after the 3:30 PM submittal cutoff, bring incomplete plans, miss outside agency reviews or schedule inspections before work is ready.

Common delay
What it usually means
How to avoid it
Assuming online permit submittal exists
The city states there is no online portal for permit submittals.
Use official counter/application instructions and contact Building Division before submitting.
Late counter arrival
Last submittal and/or permit issuance is 3:30 PM.
Arrive earlier with complete documents and questions prepared.
Incomplete work description
Staff cannot determine scope or review route.
Write a clear description and include plan details that show location, nature and extent of work.
Wrong review path
The project may not qualify for over-the-counter or express review.
Contact the Building Division before submitting, especially for commercial tenant improvements.
Outside agency review missed
NapaSan, school district, planning, fire, public works or flood/stormwater final may apply.
Ask about outside agency approvals before scheduling construction.
Inspection not scheduled early enough
Inspections must be requested at least 24 hours ahead.
Use 707-257-1063 or eTRAKiT early and plan around AM/PM windows.
Best habit: Keep one folder with application, plan sets, checklists, outside agency notes, fee receipts, permit card, inspection codes, eTRAKiT scheduling details, final approvals and closeout proof.
Contact and map

City of Napa Building Department Phone Number, Email, Address and Map

Use the official contact information below for building permits, plan review questions, inspection scheduling, eTRAKiT help, applications, checklists, forms, ADUs, EVCS, solar, pool permits and construction questions.

Building Division

Phone: 707-257-9540

Email: building@cityofnapa.org

Address:
1600 First Street
Napa, CA 94559

Counter hours and inspections

Counter hours: Monday-Thursday, 8:00 AM-4:00 PM

Last submittal / permit issuance: 3:30 PM

Automated inspection line: 707-257-1063

Key staff contacts

Interim Chief Building Official: Steve Arnold, 707-257-9327

Building Plans Examiner: Trevor Slevin, 707-257-9609

Related city contacts

Planning Division: 707-257-9530

Code Enforcement: 707-257-9646

City Hall: 955 School Street, Napa, CA 94559

Map shows the City of Napa Building Division location at 1600 First Street, Napa, CA 94559. For permit submittals, remember that Napa does not currently provide an online permit submittal portal; use official counter and Building Division instructions.

Open official City of Napa Building Division staff directory

FAQ

City of Napa Building Department FAQs

These FAQs focus on the most common user searches around Napa building permits, plan review, inspection scheduling, eTRAKiT, counter hours, permit submittals, ADUs, solar, EV chargers, fees and official contact details.

QHow do I contact the City of Napa Building Department?

Contact the City of Napa Building Division at 707-257-9540 or building@cityofnapa.org. The office is located at 1600 First Street, Napa, CA 94559.

QWhat are City of Napa Building Division counter hours?

The Building Division counter is open Monday through Thursday from 8:00 AM to 4:00 PM. Last submittal and/or permit issuance is at 3:30 PM.

QDoes the City of Napa have an online portal for permit submittals?

No. The City of Napa states that it does not have an online portal for permit submittals. eTRAKiT is used for online inspection scheduling, not permit submittal.

QHow do I schedule a City of Napa building inspection?

Schedule inspections at least 24 hours ahead by calling the automated inspection line at 707-257-1063 or by using the eTRAKiT online inspection scheduling system.

QWhat inspection time windows does Napa offer?

Napa offers inspections Monday through Friday, except holidays, in two windows: AM from 8 AM to 12 PM and PM from 12 PM to 4 PM. City inspectors do not have city-owned cell phones and cannot call when they are on the way or provide a narrower time window.

QHow long does full plan review take in Napa?

The City of Napa Permits and Plan Review Information page states that full review plans are reviewed within 21 business days of submittal.

QWhat projects may qualify for over-the-counter permits in Napa?

The city lists examples such as electrical service change-outs, furnace and water heater change-outs and roofing as over-the-counter permits when plans are not required.

QWhat projects may qualify for express review in Napa?

The city lists minor residential interior remodels, rooftop PV under 10KW, window and door replacement, seismic upgrades and patio covers as possible express review examples. Commercial tenant improvements are not eligible for express review and must use Rapid or Full review.

QDo City of Napa permits after January 1, 2026 use new codes?

Yes. Napa states that any permits applied for on January 1, 2026 or after must comply with adopted 2025 California Codes.

QWhere can I find City of Napa building applications and forms?

Use the official Building Applications, Checklists and Forms page linked from the City of Napa Building Division page.

QCan Napa Sanitation District review be required for my building permit?

Yes. The City of Napa notes that depending on the scope of work, a project may trigger review from Napa Sanitation District. Contact NapaSan directly at 707-258-6000 for clarification.

QIs Building-Department.org the official City of Napa website?

No. Building-Department.org is an independent guide. Official permit applications, payments, inspections, plan review decisions and code actions must be handled through the City of Napa or its official systems.

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Final takeaway: For City of Napa building permits, start with the official Building Division page, prepare complete paper/counter submittal documents, remember there is no online permit submittal portal, arrive before the 3:30 PM last-submittal cutoff, check outside agency requirements and schedule inspections at least 24 hours ahead by 707-257-1063 or eTRAKiT.
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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