City Building Permits
Town of Brookhaven, NY - Building Permit Guide
How to apply for a building permit in Town of Brookhaven, New York. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
Unincorporated areas of the Town of Brookhaven outside incorporated villages with separate permit programs.
- Department
- Town of Brookhaven Building Division
- Address
- Town of Brookhaven, Brookhaven, NY
- Phone
- (631) 451-8696
Online Permit Portal
Platform: • Account required: No • Submission: Online only
Application Process
- Use Brookhaven's online permit tools for new residential/commercial permit applications and renewals.
- Submit plans review materials and supporting documents before work starts.
- Complete required inspections and CO/CC closeout.
Typical processing time: Typically 2-4 weeks for complete applications.
General Requirements
Building permits are required for most construction in unincorporated Town of Brookhaven.
Required Documents
- Building permit application
- Site plan
- Construction plans
- Owner information
- Permit validity
- Typically 6 months to 1 year from issuance.
- Building code
- New York State Uniform Fire Prevention and Building Code; New York State Energy Code
- Contractor requirements
- Contractors must be properly licensed and insured.
Fees
- Permit fee formula
- Based on project valuation per NYS code
Work That Does NOT Require a Permit
Contact the Town of Brookhaven Building Division to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
- (631) 451-8696 (phone)
- Inspection hours
- Monday-Friday, standard business hours
Typical inspection sequence: Varies by project type.
Additional Resources
- Building code: New York State Uniform Fire Prevention and Building Code; New York State Energy Code
- License lookup guide: New York Contractor License Requirements
- Contract template: New York Homeowner-Contractor Agreement
- New York hub: New York Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Town of Brookhaven Building Division before applying.
Frequently Asked Questions
Town of Brookhaven Building Permit FAQ
- Do I need a building permit in Town of Brookhaven, NY?
- Building permits are required for most construction in unincorporated Town of Brookhaven.
- How much does a building permit cost in Town of Brookhaven, NY?
- Fees are calculated as: Based on project valuation per NYS code.
- How do I apply for a building permit in Town of Brookhaven, NY?
- 1. Use Brookhaven's online permit tools for new residential/commercial permit applications and renewals. 2. Submit plans review materials and supporting documents before work starts. 3. Complete required inspections and CO/CC closeout.
- How long does it take to get a building permit in Town of Brookhaven, NY?
- Typical processing time is Typically 2-4 weeks for complete applications..
- How do I schedule a building inspection in Town of Brookhaven, NY?
- Inspections can be scheduled via: (631) 451-8696.
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