Official forms are free. Get your unsigned permit package prepared for $29; government fees are separate.
Milltown, NJ Addition Permit: what you need, forms and fees
- Do you need a permit? Yes.
- Permits in order: Zoning.
- Fee: $125 (Zoning).
- Office phone: (732) 828-2100.
Free: official forms and an online fill preview. $29 one time per project for clean filled forms plus your full package. Milltown forms page (opens official site in new tab)
Step by step
- Check zoning rules for your lot before you draw plans.
- Ask the office for its document checklist.
- Fill out the Zoning application (official form linked above).
- Submit your application to Milltown Borough Zoning Department ((732) 828-2100).
- Pay the fee: $125 for Zoning.
- Wait for approval. Do not start work until the permit is issued.
- Schedule inspections: Permit applications and inspection requests are processed through the SDL Portal (account required). If unable to use the portal, call the Construction Office at 732-828-2100 x 136. Portal: https://www.sdlportal.com/towns/nj/middlesex/mill/requests.
- Pass the final inspection and keep your approved permit with your house records.
What to bring
Our sources do not list documents for this project. Ask the office for its checklist.
Office
- Name
- Milltown Borough Zoning Department
- Address
- 39 Washington Avenue, Milltown, NJ 08850
- Phone
- (732) 828-2100
- Unknown (not in our sources)
- Hours
- Mon-Fri 8:30am-4:30pm.
Last checked October 24, 2026. Official source (opens official site in new tab)
Researched from official Milltown sources Last checked October 24, 2026. Not yet reviewed line by line by PermitsWise staff.
FAQ
Do I need a permit for a addition in Milltown?
Yes. Residential alterations which change, alter or enlarge the existing building footprint.
How much is the addition permit fee in Milltown?
Zoning: $125.
Who do I contact about a addition permit in Milltown?
Milltown Borough Zoning Department. Address: 39 Washington Avenue, Milltown, NJ 08850. Phone: (732) 828-2100. Email: unknown (not in our sources).
PermitsWise is an independent service, not affiliated with Milltown. Confirm details with the office.
Addition scope in New Jersey
An addition adds habitable space, so it usually touches every subcode involved in the work and ends with a certificate (F270).
NJ DCA Uniform Construction Code. Local requirements not stated above must be confirmed with the office.