The Borough of New Milford, Bergen County, New Jersey requires a construction permit from its own building department under the statewide Uniform Construction Code1. The borough also adopts and enforces its own zoning ordinance and map2. Septic systems, where public sewer is unavailable, need a permit from the borough Board of Health3.
At a glance
- Building permit
- Required; issued by the borough building department under the state Uniform Construction Code14
- Zoning
- Yes, the borough zones its own land with published districts and a zoning map25
- Septic
- Board of Health permit where public sewer is not available; $100 permit fee3
- RV living
- Not allowed: a stored trailer or camp car may not be used as a dwelling or sleeping place6
- Minimum home size
- 1,000 sq ft of ground area for a one-floor home in Residential A7
- Minimum lot
- 7,500 sq ft building lot in Residential A8
- Short-term rentals
- Prohibited for stays of 30 days or less9
- Wells
- State drilling permit from NJDEP; borough rule unconfirmed10
Who to call
Building permits
Borough of New Milford Building Department
Construction permits and inspections under the state Uniform Construction Code inside New Milford
930 River Road, New Milford, NJ 07646
Zoning
Borough of New Milford Zoning Officer
Zoning permits and fence permits inside New Milford; forms are brought to the zoning officer at the Department of Public Works
930 River Road, New Milford, NJ 07646
Health department
New Milford Health Department (Board of Health)
The borough Board of Health, the office whose permit the borough code requires for septic tanks; ask here which health agency reviews a septic plan
930 River Road, New Milford, NJ 07646
Contact details are copied from each office’s official page and were checked against it on October 13, 2026.
Off-grid gear
Going off-grid in Borough of New Milford means bringing your own water and power. The kit we’d start with:
- Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
- Power Bluetti Solar generators and home battery backup for living off the grid.
- Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
- Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.
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Do you need a building permit in New Milford, NJ?
Yes. In the Borough of New Milford, New Jersey, a construction permit is required before building, enlarging, altering or demolishing a structure4. The borough keeps its own local enforcing agency for New Jersey's Uniform Construction Code, so the permit comes from the borough, not from Bergen County1. Inspections happen at set stages, such as footings, rough plumbing and electrical, and framing11. When the work passes final inspection, the construction official issues a Certificate of Occupancy12.
A zoning permit or fence permit is a separate form that the borough's zoning officer handles13.
Who issues building permits in New Milford, and how do you reach them?
The Borough of New Milford Building Department issues building permits and schedules inspections at Borough Hall, 930 River Road, New Milford, NJ 07646, phone 201-967-504414. The department asks for at least 24 hours' notice to schedule an inspection, with your permit number ready14.
For land outside the borough, see the Bergen County page.
Does New Milford have zoning, and what does it mean for lot size and homes?
Yes. New Milford zones its own land through a borough zoning ordinance and a zoning map2. The code establishes districts including Residential A, B, C, D and E, Business, Office/Service, Light Industrial Park and a Mixed Use Planned Unit Development zone5. Bergen County has no zoning power of its own over municipal land15.
Rules differ by district. In the Residential A zone, each building lot must have an average width of at least 75 feet, which the code ties to a minimum area of 7,500 square feet8. A one-family home in Residential A needs at least 1,000 square feet of ground area if all living space is on one floor, or 500 square feet per floor if it is split across two; finished basement or attic space does not count7.
The borough zoning officer can tell you which district a parcel is in13.
How do septic permits work in New Milford?
The borough code bars new cesspools, privy vaults and septic tanks on land where public sewer is available16. Where sewer is not available, a septic tank needs a permit from the borough Board of Health, with a $100 fee for the construction and inspection of each tank3. The permit can be refused where soil and topography make sewage disposal difficult3.
New Jersey law also bars a building permit for a new structure until the septic or sewer plan is approved, and a septic system may not be covered until it has been inspected1718. Ask the borough health department which agency reviews the plans for a given lot19.
Can you live in an RV or tiny home in New Milford?
No, not in a stored RV. New Milford allows no more than one trailer or camp car stored on a premises, and a stored trailer or camp car may not be used as a dwelling or sleeping place, even temporarily6. Parking a camp car on a street or public property is unlawful6.
We could not confirm a borough rule that specifically addresses tiny homes, manufactured homes or accessory dwellings. Ask the zoning officer before planning one13.
Short-term rentals of 30 days or less are prohibited in the borough9.
Building a home in New Milford: the steps, in order
- Confirm the zoning district and its lot-size and dwelling-size rules with the zoning officer13.
- If the lot has no public sewer, get the Board of Health septic approval first, because the state bars a building permit until sewerage is approved17.
- Check whether the site is in a flood hazard area; development there needs an application to the Floodplain Administrator, possibly in addition to the building permit20.
- Apply for the construction permit with the borough Building Department14.
- Call for the required stage inspections11.
- Obtain the Certificate of Occupancy after final inspection12.
A person building a new home for their own use is exempt from new-home builder registration, but the owner must file an affidavit with the construction official before a Certificate of Occupancy is issued2122.
What to check before you buy land in New Milford, NJ
Floodplain: development in a flood hazard area inside the borough needs a permit from the Floodplain Administrator20. Wells: New Jersey requires a drilling permit from the state environmental department, and we could not confirm a separate borough well rule10. Driveways: access onto a state highway needs a state access permit23. Taxes: Bergen County's effective property tax rate is about 1.7%, with a median bill near $10,001 a year2425.
These are county-level figures and the borough's own rate may differ; the borough tax collector can give the exact figure for a parcel.
Watch-outs
- We could not confirm a borough rule on private wells, accessory dwellings, tiny homes or driveway permits; ask the Building Department or zoning officer before you rely on any of them14.
- Short-term rentals of 30 days or less are prohibited in New Milford, which matters if you plan to rent a home for income9.
- The county's rules for unincorporated land do not apply inside the borough; the borough's own zoning and building permits govern2.
Sources
- Chapter 10 Building and Housing (Borough of New Milford), quoted and re-checked
- Article IV Zoning Regulations (Borough of New Milford), quoted and re-checked
- Chapter BH10 Privy Vaults, Cesspools and Manure Pits (Borough of New Milford), quoted and re-checked
- N.J.A.C. 5:23-2.14, Construction permits—when required (New Jersey statewide rule), quoted and re-checked
- Article IV Zoning Regulations (Borough of New Milford), quoted and re-checked
- Chapter 22 Camp Cars, Trailers, Boats and Watercraft (Borough of New Milford), quoted and re-checked
- Residential A Zone Requirements (Borough of New Milford), quoted and re-checked
- Residential A Zone Requirements (Borough of New Milford), quoted and re-checked
- Short Term Rental Property Prohibition (Borough of New Milford), quoted and re-checked
- Bulletin 88-10: Private On-Site Water Supply Systems (New Jersey statewide rule), quoted and re-checked
- New Jersey Department of Community Affairs Consumer Information for New Home Buyers (Borough of New Milford), quoted and re-checked
- New Jersey Department of Community Affairs Consumer Information for New Home Buyers (Borough of New Milford), quoted and re-checked
- Borough of New Milford Zoning Officer (newmilfordnj.gov)
- Borough of New Milford Building Department (newmilfordnj.gov)
- Bergen County Standards for Sustainable Land Development—Site Plans, quoted and re-checked
- Chapter 17 Sewer and Water (Borough of New Milford), quoted and re-checked
- New Jersey Statutes, R.S. 58:11-23 through 58:11-43 (New Jersey statewide rule), quoted and re-checked
- New Jersey Statutes, R.S. 58:11-23 through 58:11-43 (New Jersey statewide rule), quoted and re-checked
- New Milford Health Department (Board of Health) (newmilfordnj.gov)
- Chapter 25 Flood Protection and Prevention (Borough of New Milford), quoted and re-checked
- Builder Registration and New Home Warranty for Builders (New Jersey statewide rule), quoted and re-checked
- N.J.A.C. 5:23, Uniform Construction Code (New Jersey statewide rule), quoted and re-checked
- Major Access Permits (New Jersey statewide rule), quoted and re-checked
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
Written October 13, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.