Oakland County homeowner guide
Farmington Hills Home Project Costs & Permit Planning
Use Farmington Hills’ fully online BS&A workflow for applications, attachments, payments, stamped documents, inspections, and permit history.
City-adjusted calculator
Start with a working range.
Broad installed-cost range for 240 sq. ft. Final bids depend on scope, conditions, design, products, permits, and labor.
Open the complete project guide →Local adjustments are broad planning assumptions, not measured city price indexes. Obtain several written bids and confirm current permit fees and requirements directly.
Verified local details
What is distinctive about Farmington Hills.
Applications and inspections are online
Beginning in March 2026, the city moved building-permit applications and inspection requests exclusively to its BS&A portal.
Official transition notice ↗The portal accepts supporting documents
Applicants select the property and permit type, describe the work, estimate fees, and upload plans or images when the permit type allows or requires them.
Building instructions ↗Homeowner applications require an affidavit
The city’s homeowner instructions require a signed and notarized Homeowner Affidavit with each homeowner permit application.
Homeowner instructions ↗Stamped plans live in the record
The Building page explains that approved stamped documents are downloaded from the permit’s Documents or Attachments area in BS&A.
Permit printing guidance ↗Permit desk
Know where to start—and what to prepare.
Farmington Hills Building Division
31555 W. Eleven Mile Road · 248-871-2450
Farmington Hills BS&A Online
Since March 2026, building-permit applications and inspection requests are submitted online through the city’s BS&A portal.
Open official application path ↗How to apply
- Create or link the BS&A account to the city record.
- Select the property, permit type, work description, applicant contacts, and fee quantities.
- Upload the attachments required for that permit type.
- Monitor the record, pay the processed invoice, download stamped documents, and schedule inspections online.
Inspection planning
- The city moved building inspection requests to BS&A Online in March 2026.
- Request the inspection from the permit record and keep the permit number and job location available.
- Do not conceal work that requires inspection; retain the approved permit record and stamped documents.
Documents to prepare
- Completed permit application
- Scaled plans or images when required for the permit type
- Signed and notarized homeowner affidavit for homeowner applications
- Applicable site, energy, drainage, soil-erosion, tree, or trade documents explicitly listed for the scope
Local workflow
A practical sequence for Farmington Hills.
Create and link the account
Connect the homeowner or contractor record to Farmington Hills in BS&A.
Build the attachment set
Use the city’s building, planning, and engineering forms for the exact scope.
Submit and pay online
Monitor application status, invoice, corrections, and stamped documents.
Inspect and archive
Request inspections from the record and keep approvals with the home file.
Project checkpoints
Questions change with the scope.
Roof replacement
Check the city’s Roofing Certification and confirm the permit, product, decking, inspection, and closeout path.
Addition or new home
Coordinate scaled plans, site plan, energy, drainage, soil erosion, tree, water, building, and trade documents as applicable.
Kitchen or basement
Separate building and trade permits and identify rough inspections before concealment.
Fence or site work
Use the listed fence, planning, engineering, drainage, and tree forms where the scope triggers them.
Contractor-ready
Put these questions in every bid request.
- Who owns the BS&A record?
- Which attachments are included?
- Is the homeowner affidavit required?
- Who downloads and prints stamped plans?
- Which inspection and final records are delivered?
Primary sources
Verify directly with Farmington Hills.
Official source first