Building permits, zoning and septic rules in Folsom, New Jersey

At a glance

Building permit

Required; administered by the state DCA, not a borough office²⁴

Zoning

Yes, Chapter 200 of the borough code, with published districts¹⁵

Septic

Permit required; Atlantic County Division of Public Health⁶³

Septic permit fee

$225 application fee, includes one inspection⁶

RV living

Trailer parks and camps are prohibited; living in an RV on your own lot is unconfirmed⁷

Owner-builder

Allowed statewide with a certificate-of-occupancy affidavit; permits and inspections still apply⁸

Who to call

Contact details are copied from each office’s official page and were checked against it on October 13, 2026.

Does Folsom, NJ have zoning, and what does it mean for lot size and setbacks?

Yes. Folsom Borough zones its own land: Chapter 200 of the borough code is the zoning ordinance, with districts, permitted uses, a zoning map and a zoning officer¹. The published districts include F-20, F-30, FC, RD, RDC, VR, VI and AG, and the dimensional limits sit in a Schedule of Limitations⁵.

New Jersey lets each municipality set lot size, setbacks, lot coverage, height and minimum floor area district by district, with no single statewide number⁹¹⁰. We could not confirm Folsom's numeric limits for any district, so find your parcel's district on the zoning map and ask the borough zoning officer for the schedule before you plan a house, barn or accessory building.

Atlantic County does not zone: the county master plan has no authority to establish zoning or dictate land uses¹¹.

Do you need a building permit in Folsom, and who issues it?

Yes. Construction, enlargement, alteration, demolition and changes of use require a construction permit under the New Jersey Uniform Construction Code, with narrow exceptions for ordinary maintenance and minor work⁴.

In Folsom, the borough's code transfers administration and enforcement of the Uniform Construction Code to the state Department of Community Affairs². DCA's regional office receives permit applications, reviews plans, issues permits and performs the required inspections for Folsom¹²¹³. Folsom's contact is listed with its own office hours on the DCA page¹³.

Before a building permit issues, Folsom also requires site plan approval in the circumstances set out in its code¹⁴. Permit fees are set by ordinance, so ask the DCA office for the current schedule¹⁵.

How do septic permits work in Folsom, NJ?

Septic permits for property inside Folsom come from the Atlantic County Division of Public Health, not from the borough and not from DCA³¹⁶. State rules require a permit before a septic system is located, designed, built, altered or operated⁶.

The county's septic application fee is $225, and the permit includes one inspection⁶. Septic approval comes first: the board of health must certify the sewage facilities before a building permit can be issued¹⁷, and the system must be inspected before it is covered¹⁸.

Soil matters. Only about 0.2% of the soils in Atlantic County rate as not limited for a conventional drain field, so expect a site evaluation and possibly an engineered system¹⁹. Call the Environmental Health Unit at (609) 645-5971¹⁶.

Can you live in an RV or tiny home on your land in Folsom?

We could not confirm that either is allowed. Folsom's code prohibits trailer parks, tourist camps, camp parks and trailer camps within the borough⁷. That rule targets camps and parks and does not by itself answer whether you may live in an RV on your own lot, so ask the borough zoning officer.

We found no official borough rule on tiny homes, and we could not confirm the full rule on manufactured homes or accessory dwellings. At the state level, HUD manufactured homes are limited to single-family dwellings (use group R-5) and must meet federal installation standards²⁰.

Building a home in Folsom: the steps, in order

1. Find your parcel's zoning district and the Schedule of Limitations with the borough zoning officer⁵.
2. Get septic design approval from the Atlantic County Division of Public Health³.
3. Obtain any site plan approval the borough requires, then apply for the construction permit through the DCA office¹⁴¹³.
4. Schedule the required inspections, which stop work at set points such as footings and framing²¹.
5. Get the septic system inspected before covering it¹⁸.
6. Obtain the certificate of occupancy, which also requires water, sewer, electric and gas to be in service²². An owner-builder must file an affidavit first⁸.

What stays with Atlantic County, and what to check before you buy in Folsom

Atlantic County handles septic permits for Folsom addresses³. A driveway that touches an Atlantic County road needs a highway occupancy permit from the County Engineer, with a $100 initial application fee²³. A driveway onto a state highway needs a state access permit²⁴. Subdivision of land is reviewed by the county planning board²⁵; for details on land outside the borough, see the Atlantic County page.

County figures give context: Atlantic County's effective property tax rate is 2.5%²⁶, and the median property tax bill is $6,749 a year²⁷.

Watch-outs

• Folsom Borough's numeric lot-size, setback, coverage and height limits sit in a district schedule we could not confirm; get the Schedule of Limitations from the borough zoning officer before you buy⁵.
• Private well permits, floodplain rules, short-term rentals and driveway access inside Folsom are unconfirmed; ask the borough zoning officer, and ask the Atlantic County Division of Public Health about wells³.
• A state exemption for owner-built homes covers builder registration only; building permits, inspections and the certificate-of-occupancy affidavit still apply⁸.

Sources

1. Chapter 200 Zoning (Borough of Folsom), quoted and re-checked
2. Chapter 90 Construction Codes, Uniform (Borough of Folsom), quoted and re-checked
3. Atlantic County Chapter 116, Article I Existing Systems (Borough of Folsom), quoted and re-checked
4. N.J.A.C. 5:23-2.14, Construction permits—when required (New Jersey statewide rule), quoted and re-checked
5. Chapter 200 Zoning (Borough of Folsom), quoted and re-checked
6. NJDEP Septic System Permitting Information (Borough of Folsom), quoted and re-checked
7. Chapter 180 Trailers and Camp Cars; Trailer Parks (Borough of Folsom), quoted and re-checked
8. N.J.A.C. 5:23, Uniform Construction Code (New Jersey statewide rule), quoted and re-checked
9. P.L. 2013, c.106 (Municipal Land Use Law amendments) (New Jersey statewide rule), quoted and re-checked
10. P.L. 2013, c.106 (Municipal Land Use Law amendments) (New Jersey statewide rule), quoted and re-checked
11. Atlantic County Farmland Preservation Plan, quoted and re-checked
12. Local Code Enforcement Offices (Borough of Folsom), quoted and re-checked
13. NJ Department of Community Affairs, Southern Regional Office (construction code enforcement for Folsom Borough) (nj.gov)
14. Local Code Enforcement Offices (Borough of Folsom), quoted and re-checked
15. The New Jersey State Uniform Construction Code, quoted and re-checked
16. Atlantic County Division of Public Health - Environmental Health Unit (atlanticcountynj.gov)
17. New Jersey Statutes, R.S. 58:11-23 through 58:11-43 (New Jersey statewide rule), quoted and re-checked
18. New Jersey Statutes, R.S. 58:11-23 through 58:11-43 (New Jersey statewide rule), quoted and re-checked
19. Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
20. Manufactured/Modular Buildings Program (New Jersey statewide rule), quoted and re-checked
21. New Jersey Department of Community Affairs, New Home Warranty—Consumer Information (New Jersey statewide rule), quoted and re-checked
22. N.J.A.C. 5:23, Uniform Construction Code (New Jersey statewide rule), quoted and re-checked
23. 8-15-23 Public Packet A.pdf — Atlantic County Right Of Way Use And Occupancy, quoted and re-checked
24. Major Access Permits (New Jersey statewide rule), quoted and re-checked
25. Site Plan and Subdivision Review, quoted and re-checked
26. Effective property tax rate: Bolthole Index county data
27. 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.