Official forms are free. Get your unsigned permit package prepared for $29; government fees are separate.
NJ F145 Mechanical Technical Section: what it is and how to fill it out
- What it is: the mechanical section for heating, cooling and gas equipment in one- and two-family homes.
- Who files it: The owner or the HVAC contractor.
- When you need it: When the project installs or replaces furnaces, boilers, water heaters or air conditioning.
- How many copies: one original plus three copies, per DCA. Your town may ask for more.
Official source: NJ Department of Community Affairs. Fillable version (opens official site in new tab) · DCA forms page (opens official site in new tab)
Field-by-field help
- Property street address
- Use the actual work site address. A mailing city does not prove the governing town.
- Governing municipality
- Confirm which town governs the property. A postal city alone is not proof. Example: Edison Township
- County
- Confirm the county that contains this property. Example: Middlesex
- State
- Use the state where the work will take place. Example: NJ
- Tax block
- Find the block on your tax bill, survey or tax map. Do not guess. Example: 101
- Tax lot
- Find the lot on your tax bill, survey or tax map. Do not guess. Example: 12
- Tax qualifier
- Copy a qualifier only if your tax record lists one. Example: C0001
- Zoning district
- Ask the zoning office for the parcel's district. Do not use a town boundary as parcel zoning. Example: Confirm with zoning office
- Year built
- Use a sourced property record or enter the year you can confirm. Example: 1985
- Lot size in square feet
- Read the lot area from a survey or official parcel record. Check the units. Example: 10000
- Use group
- Ask the code official or design professional for the building's use group. Example: Confirm with code official
- Number of units
- Enter the number of dwelling or other units asked for on the form. Example: 1
- Preliminary FEMA flood zone
- A FEMA lookup is preliminary. Ask the town to confirm the map and site rules. Example: AE — preliminary, confirm
- Work description
- Describe what you plan to build or change. Do not include personal ID numbers. Example: Build a rear wood deck
Middlesex County permit guides that use F145
PermitsWise is an independent service, not affiliated with the State of New Jersey. Confirm details with your local construction office.
Statewide guides that use F145
Permit preparation questions
Are official permit forms free?
Yes. Official permit forms are free to download; the $29 price is for PermitsWise preparation assistance.
What does the $29 package include?
A permit package filled with your information for your review. Government fees are separate; required signatures and office confirmation remain your responsibility.
Is PermitsWise a government agency?
No. PermitsWise is an independent preparation service, not affiliated with any government. A prepared package is not permit approval.