Washtenaw County Building Department | Permits, Inspections & Official Contact

Washtenaw permit action guide

Find the Right Washtenaw Building Office Before You Apply

The county is not the building department for every Washtenaw address. Your first step is to identify the city or township, confirm who handles zoning, and then verify whether Washtenaw County Building Inspection handles the construction permit.

Once jurisdiction is confirmed, use this guide to apply online, prepare plans, search records, arrange inspections, resolve corrections and prove the permit is closed.

Jurisdiction check before application
Official CSS permit and inspection portal
Well, septic, soil erosion and zoning dependencies
Washtenaw jurisdiction check followed by permit review and inspection An animated map checks the city or township, then a permit folder moves to county review and final inspection. JURISDICTION CHECK COUNTY REVIEW APPROVED PERMIT FINAL INSPECTION PASSED
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Do not assume “Washtenaw County” is your permit office. Cities and townships may run their own building department or contract with the county. Confirm the municipality and building authority before paying or uploading plans.
Start with the exact task

What Do You Need to Do?

Washtenaw Next-Step Finder

Choose the situation that best matches your project.

Official county contact

Washtenaw County Building Inspection Contact Information

Main phone 734-222-3900 Building, mechanical, electrical and plumbing help
Inspection IVR 866-458-7358 For eligible permits issued after June 21, 2021
General phone service 8:30 AM–4:30 PM Monday through Friday
Phone inspection scheduling 8:30 AM–3:00 PM Monday through Friday
Office address 705 N Zeeb Road Ann Arbor, MI 48103-1560
Fax 734-222-3930 Confirm the correct department before sending documents
Environmental Health 734-222-3800 Well and septic questions
Soil Erosion Program 734-222-6860 Soil-disturbance and erosion-control questions
Best call preparation: Have the address, city or township, parcel number, project type and application or permit number ready.
Most important local step

Confirm City, Township and County Responsibilities

Identify the city or township
Ask who handles local zoning
Confirm the building authority
Complete local zoning approval
Complete county pre-approvals
Apply to the correct permit office

1. Identify the municipality

Use the property tax record, parcel information or official municipal map. A postal address alone may not identify the correct government.

2. Confirm zoning authority

Even where the county handles building permits, the city or township may control zoning, setbacks, land use, parking, signs and site-plan approval.

3. Confirm building authority

Check the county’s current Building Inspection page or call 734-222-3900. Service agreements can change.

Examples named on county materials include Augusta Township, City of Dexter, Lodi Township, Saline Township, Scio Township, Sharon Township and York Township. This is not a permanent or complete list. Verify the current arrangement before filing.
Do not use the county portal automatically for Ann Arbor or another municipality with its own building office. Start with the local government’s official website when the authority is unclear.
Who handles what

Separate the Building Permit From Other Approvals

Question
Likely authority
Action before applying
Is the use allowed? What are the setbacks?
City or township zoning
Obtain zoning approval or written confirmation required by the local municipality.
Do the plans meet construction code?
County Building Inspection
Confirm the county serves the jurisdiction, then submit building or trade plans.
Is a well or septic permit required?
Environmental Health
Secure required well or sewage permits before the building application.
Will the project disturb soil?
Soil Erosion Program
Check acreage and distance from surface water before clearing or grading.
Does a driveway connect to a public road?
Road authority
Ask whether a driveway permit or waiver is needed.
Will work affect a county drain or easement?
Water Resources Commissioner
Check whether a drain-use permit is required.
Is the property in a flood hazard area?
Local floodplain administrator
Check FEMA mapping and local floodplain requirements before final design.
Project permit guide

Which Permit Path Fits the Project?

Project
Start with
Also check before filing
New house or major addition
Building permit
Zoning, well/septic, soil erosion, driveway, drain, floodplain and trade permits
Deck, porch or exterior stairs
Building permit
Setbacks, site plan, footings, ledger, guards and code details
Detached garage, shed or accessory structure
Building permit or local review
Structure size, zoning setbacks, height and lot coverage
Basement or interior remodel
Building permit
Egress, legal use, electrical, mechanical and plumbing work
Electrical service, circuits or wiring
Electrical permit
Licensed contractor and associated building work
Furnace, air conditioning, duct or gas work
Mechanical permit
Gas piping, venting and related electrical work
Water, drainage or fixture work
Plumbing permit
Well, septic and building-permit dependencies
Swimming pool
Building and trade review
Zoning, barriers, electrical bonding, setbacks and septic-field location
Demolition
Demolition/building review
Utilities, asbestos or environmental requirements, soil erosion and site restoration
Online permit workflow

Apply in Six Clear Steps

Confirm the county serves the property

Identify the city or township and verify the current building authority.

Do not continue until the jurisdiction is confirmed.

Complete local zoning review

Obtain any township or city zoning approval, site-plan approval or land-use clearance required before county plan review.

Ask locally: Is a zoning permit, compliance form or signed site plan required?

Complete well, septic and site approvals

Check Environmental Health, soil erosion, driveway, drain and floodplain requirements.

Sequence matters: Required well or sewage permits should be secured before the building application.

Prepare a complete plan package

Use the actual street address, directions to the site, plot or site plan, construction drawings, truss information and contractor or owner documents.

Quality check: Project scope, plans and permit categories must match.

Submit in the county CSS portal

Open the official EnerGov Customer Self Service portal, choose the correct record type and upload the requested files.

Resolve reviews, obtain issuance and complete inspections

Answer each correction, pay the official invoice, wait for permit issuance, keep approved plans on site and complete every required inspection.

Finish: Save proof that the main permit and related trade permits are final.
Plan-review checklist

What to Prepare Before Opening the Portal

Property information

  • Actual street address
  • Parcel number
  • City or township
  • Directions to the site
  • Owner’s legal name
  • Current property use

Plans and project details

  • Clear scope of work
  • Site or plot plan
  • Construction drawings
  • Truss drawings when required
  • Project valuation
  • Product or equipment details

Approvals and people

  • Local zoning approval
  • Well/septic permits
  • Soil-erosion approval
  • Driveway or drain approval
  • Contractor credentials
  • Owner authorization or affidavit
County plan-review guidance requires an actual street address. A lot number alone is not enough. Include clear directions when the site is difficult to locate.
Before the building permit

Complete These Dependencies First When They Apply

Local zoning

Confirm permitted use, setbacks, height, lot coverage, signs, parking and site-plan requirements with the city or township.

Well and septic

Environmental Health says required well and sewage permits should be received before applying for building or soil-erosion permits.

734-222-3800

Soil erosion

Check the exact disturbance area and distance from surface water before grading, clearing or excavation.

734-222-6860

Driveway access

A new or changed driveway may need approval from the Washtenaw County Road Commission or another road authority.

County drain

A drain-use permit may be required for crossing, modifying or discharging to a county drain or working inside a drain easement.

Floodplain

Check FEMA mapping and contact the local floodplain administrator before finalizing elevations, foundations or fill.

Exact soil-erosion trigger

When a Washtenaw Soil-Erosion Permit May Be Required

🌊

Near surface water

County guidance identifies projects within 500 feet of surface water that disturb 225 square feet or more.

📏

Large disturbance

A project disturbing more than one acre may require a soil-erosion permit regardless of distance from surface water.

Small disturbance: Work below 225 square feet may qualify for a waiver, but the program—not the applicant—should confirm eligibility.
Construction-site rules

Keep These Items Ready for Inspectors

At the property

  • Street address visible from road
  • Safe access to the work
  • Permit information available
  • Approved building plans
  • Truss drawings when applicable
  • Work left uncovered

Before the inspection

  • Correct inspection type
  • Permit is active
  • Required earlier inspections passed
  • Work complete for that stage
  • Site contact available
  • Reinspection balance paid
County permit guidance says plans and truss drawings must be available on site for inspections, including the footing inspection.
Inspection scheduling

Use the Correct Washtenaw Inspection Method

Online CSS portal

The permit owner can schedule eligible inspections through the official portal.

Open CSS

Automated IVR

Call 866-458-7358 for eligible permits issued after June 21, 2021.

Office phone

Call 734-222-3900. Phone scheduling is listed from 8:30 AM to 3:00 PM, Monday through Friday.

Inspection area
Examples
Do not request until
Building
Footing, foundation, framing, insulation and final
The approved stage is complete, accessible and uncovered.
Electrical
Service, rough wiring and final
The electrical permit is active and required work is visible.
Mechanical
Heating, cooling, duct, gas and final
Equipment, venting and required connections are ready.
Plumbing
Underground, rough, water/sewer and final
Piping and test conditions are ready for inspection.
Reinspection fee: $50. County inspection guidance states that final inspections will not be performed while reinspection fees remain unpaid.
Use the right search system

Active Permit Status vs. Older County Records

Use CSS for active permit work

  • Applications and permit status
  • Department reviews
  • Fees and payments
  • Inspection scheduling and results

Open CSS Portal

Use county records search for history

  • Building Inspection records
  • Well and septic records
  • Soil-erosion records
  • Available permits, plans and site documents

Search County Records

Property-sale check: Finding a permit number is not enough. Confirm that required inspections passed and every related permit shows final or closed status.
Status decoder

What Common Permit Statuses Mean

Draft The record is not fully submitted. Complete required fields and confirm submission.
Submitted The county received it. Watch for intake or missing-document messages.
In review Plans are being checked. Do not begin work.
Corrections required Read every comment and upload one coordinated revision set.
Approved Payment, contractor information or formal issuance may still be required.
Issued Work may start within the approved scope and permit conditions.
Inspection failed Correct every listed item before requesting reinspection.
Final or closed Save proof and verify related electrical, mechanical and plumbing permits are also final.
Fees without guesswork

Use the Current Form or Portal Invoice

Permit and trade fees

  1. Choose the exact permit record type.
  2. Enter accurate project details and valuation.
  3. Add each required trade permit.
  4. Review the official calculated invoice.
  5. Ask about unclear charges before paying.

Open current applications and forms

Construction Code Board of Appeals

Current county materials list:

  • $150 residential appeal
  • $300 commercial appeal

This is a construction-code appeal fee, not a township zoning-appeal fee.

Open the official appeal page

No generic fee calculator is used here. County permit cost depends on the record type, project details, trade work and current fee schedule.
Local construction notes

Washtenaw-Specific Details Worth Checking

Deck design

The county deck page identifies a 40-pound live-load design requirement and links county guidance. Submit a site plan and complete structural details.

Open county deck guidance

Radon-resistant construction

The county publishes radon-resistant construction requirements for covered residential projects. Confirm the required details before foundation work.

Open radon requirements

Swimming pools

Pool projects can involve building, electrical, plumbing, zoning, barrier and septic-location checks.

Open county pool guidance

Troubleshooting

Fix Common Washtenaw Permit Problems

Problem
Likely cause
Best next action
County portal does not recognize the address
Wrong jurisdiction, missing street address or portal formatting
Confirm city/township and building authority, then verify the official street address.
Local zoning approval is missing
The municipality handles land-use review separately
Contact the city or township zoning office before resubmitting.
Building application is on hold
Well, septic, soil erosion, driveway, drain or floodplain approval is outstanding
Ask the reviewer which agency clearance is missing.
Plan corrections keep returning
Comments were answered separately or files conflict
Use a numbered response letter and upload one coordinated revision set.
Online inspection option is unavailable
You are not the permit owner, the record is not eligible or a hold exists
Check portal ownership and call 734-222-3900.
Final inspection cannot be completed
Reinspection fee or related trade permit remains open
Pay outstanding reinspection fees and verify every sub-permit status.
Old record is not in CSS
It is stored in the county records system
Use the Building Inspection, well/septic and soil-erosion records search.
Open permit appears during a sale
Final inspection or closeout was never completed
Collect the permit history and request a written list of remaining requirements.
Ready-to-use scripts

What to Say When You Call

Jurisdiction question:
“The property is at [address] in [city or township]. Does Washtenaw County Building Inspection issue the building and trade permits, or does the municipality use another department?”
Pre-approval question:
“Before I submit the building permit, can you confirm whether I need zoning, well/septic, soil-erosion, driveway, drain or floodplain approval for this project?”
Open permit question:
“Permit [number] at [address] does not appear final. Which inspection, fee or related trade permit is still outstanding?”
Final project checklist

Do Not Consider the Permit Complete Until These Are Confirmed

  • City or township confirmed
  • Building authority confirmed
  • Local zoning approval complete
  • Well/septic permits complete
  • Soil-erosion review complete
  • Driveway or drain approval complete
  • Complete plans submitted
  • Permit formally issued
  • Address visible from road
  • Approved plans kept on site
  • All inspections passed
  • Reinspection fees paid
  • Trade permits finaled
  • Main permit closed
  • Closure proof saved
  • Final payment tied to closeout
Office location

Washtenaw County Building Inspection Map

Address: 705 N Zeeb Road, Ann Arbor, MI 48103-1560. Call before visiting when you need a specific reviewer, inspector or archived file.
Official resources

Open the Correct Washtenaw County Resource

Frequently asked questions

Washtenaw County Building Permit FAQs

Does Washtenaw County issue building permits for every address in the county?

No. Some cities and townships operate their own building department or use a different contracted authority. Confirm the municipality and current building authority before filing.

Where is the Washtenaw County online permit portal?

The official permit system is the EnerGov Customer Self Service portal at prodpermits.ewashtenaw.org. Use it only after confirming that the county serves the property.

How do I schedule a Washtenaw County inspection?

The permit owner can use the CSS portal for eligible inspections. The county also lists IVR scheduling at 866-458-7358 for eligible permits issued after June 21, 2021, or phone scheduling at 734-222-3900 from 8:30 AM to 3:00 PM on weekdays.

How much is a Washtenaw County reinspection?

The county inspection page lists a $50 reinspection fee and states that final inspections will not be performed while reinspection fees remain unpaid.

What must be available at the property for inspection?

The street address should be visible from the road. Approved building plans and applicable truss drawings should be on site and available to the inspector, including for the footing inspection.

Do I need township zoning approval before the county building permit?

Often, yes. Where the county handles construction-code permits, the city or township may still require separate zoning, land-use or site-plan approval. Ask the municipality what proof must accompany the county application.

When is a soil-erosion permit required?

County guidance identifies projects within 500 feet of surface water that disturb at least 225 square feet, or projects disturbing more than one acre. Smaller projects may qualify for a waiver; confirm with the Soil Erosion Program.

Should I get well and septic permits before the building permit?

Washtenaw Environmental Health says required well and sewage permits should be received before applying for building and/or soil-erosion permits.

Where can I find old building, well or septic records?

Use the county Search Permit Records page for available Building Inspection, well, septic and soil-erosion records. Use CSS for active applications and current permit activity.

Can I start work when the permit status says approved?

Confirm that the permit has been formally issued and all required fees, zoning approvals and other conditions are cleared. Approved can still mean that an issuance step remains.

Independent guide and freshness

Source and Accuracy Note

Building-Department.org is an independent informational guide and is not Washtenaw County. Official applications, payments, inspections, approvals and code decisions must be handled by the county or the correct local municipality.

This page was checked against official Washtenaw County Building Inspection, Environmental Health, Soil Erosion, permit-record and inspection resources.

Last reviewed: July 22, 2026.

Jurisdiction agreements, forms, staff, fees, portal behavior and inspection procedures can change. Confirm time-sensitive details before filing, paying or beginning work.

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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