Official forms are free. Get your unsigned permit package prepared for $29; government fees are separate.
Middlesex, NJ Addition Permit: what you need, forms and fees
- Do you need a permit? Check with the office.
- Fee: Call the office.
- Office phone: 732.356.7400 x247.
Free: official forms and an online fill preview. $29 one time per project for clean filled forms plus your full package.
Step by step
- Confirm with Middlesex Borough Construction Department that a addition needs a permit.
- Ask the office for its document checklist.
- Fill out the permit application.
- Submit your application to Middlesex Borough Construction Department (732.356.7400 x247).
- Pay the fee the office quotes. Call to confirm the amount.
- Wait for approval. Do not start work until the permit is issued.
- Schedule inspections: Contact the Construction Department, 732.356.7400 x247, construction@middlesexboro-nj.gov. Detailed rules are in the linked PDF (not readable during research).
- 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
- Middlesex Borough Construction Department
- Address
- 1200 Mountain Ave., Middlesex, NJ 08846
- Phone
- 732.356.7400 x247
- construction@middlesexboro-nj.gov
- Hours
- Mon-Fri 9am-4pm
Last checked October 24, 2026. Official source (opens official site in new tab)
Researched from official Middlesex 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 Middlesex?
Our sources do not say. Call Middlesex Borough Construction Department at 732.356.7400 x247 to confirm.
How much is the addition permit fee in Middlesex?
The fee is not in our sources. Call Middlesex Borough Construction Department at 732.356.7400 x247.
Who do I contact about a addition permit in Middlesex?
Middlesex Borough Construction Department. Address: 1200 Mountain Ave., Middlesex, NJ 08846. Phone: 732.356.7400 x247. Email: construction@middlesexboro-nj.gov.
PermitsWise is an independent service, not affiliated with Middlesex. 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.