Bolthole Index

Burlington County, New Jersey

Zoning, building permits and septic rules in Mansfield Township, New Jersey

Mansfield Township, in Burlington County, New Jersey, sets its own zoning under Chapter 65 of the township code1. Building permits come from the township's Construction Office under the state Uniform Construction Code23. Septic approval comes from the Burlington County Health Department, not the township45.

At a glance

Building permit
Required; issued by the township Construction Office under the state Uniform Construction Code32
Zoning
Yes, township zoning (Chapter 65), enforced through the Land Use Office and Joint Land Use Board16
Septic
Burlington County Health Department, Environmental Health Division54
Accessory apartment
Conditional use on lots of at least 20,000 square feet, with a township license7
Garage or outbuilding setback
At least 10 feet from side and rear lot lines8
Certificate of occupancy
Required before a new or altered building is used9
RV and tiny-home living
Not confirmed; ask the Land Use Office6
Property tax
2.4% effective rate in Burlington County10

Who to call

Building permits

Mansfield Township Construction Office

Construction permits and inspections under the Uniform Construction Code, and certificates of occupancy

609-298-0542

3135 Route 206 South, Suite 1, Columbus, NJ 08022

Zoning

Mansfield Township Land Use Office

Zoning enforcement and support for the Joint Land Use Board: variances, site plans and subdivisions

609-298-0542

3135 Route 206 South, Suite 1, Columbus, NJ 08022

Septic permits

Burlington County Health Department, Environmental Health Division

Applications for permits to construct or alter individual subsurface sewage disposal (septic) systems, and well permits, under the county Septic and Well Program

609-265-5548

15 Pioneer Blvd., Westampton, NJ 08060

Contact details are copied from each office’s official page and were checked against it on October 24, 2026.

Off-grid gear

Going off-grid in Mansfield Township means bringing your own water and power. The kit we’d start with:

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Do you need a building permit in Mansfield Township, NJ?

Yes. New Jersey requires a construction permit for any new construction and for work on existing buildings, including structural, plumbing, mechanical and electrical work11. Mansfield Township's Construction Office carries out that state code locally2.

The township's own code also ties every certificate of occupancy to the state construction code, and bars use of a new, altered or enlarged building until the certificate is issued9. Ordinary maintenance and minor work have separate rules under the state code12.

Building yourself does not remove the requirement: the state owner-built rule lets an owner file an affidavit, but a certificate of occupancy cannot issue without it13. Once a complete application is filed, the local enforcing agency must release or deny it within 20 business days14.

Who issues building permits in Mansfield Township, and how do you reach them?

The Mansfield Township Construction Office issues building permits for addresses inside the township. It sits at 3135 Route 206 South, Suite 1, Columbus, NJ 08022, and takes calls at 609-298-05422. Burlington County does not issue building permits for private homes; the state code is enforced by municipal officials15.

The Land Use Office, at the same address and phone number, handles zoning questions and supports the Joint Land Use Board6. Permit fees are set by the municipal enforcing agency, so ask the Construction Office for the current schedule16.

The Construction Office's page also offers online inspection scheduling and a permit-records search for a property2. Use the search before you buy to see what work on the parcel was permitted.

Does Mansfield Township have zoning, and what does it mean for RVs, tiny homes and setbacks?

Yes. Mansfield Township, Burlington County, zones through its own Chapter 65 ordinance, and the permitted uses depend on the zoning district1. Burlington County does not zone; New Jersey gives zoning power to municipalities, not counties17.

District standards matter. A garage or outbuilding in Mansfield Township's Chapter 65 may not sit closer than 10 feet to a side or rear property line8. Setbacks for the main building, lot size, lot coverage and height live in a district schedule that we could not confirm, so ask the Land Use Office for the schedule for your parcel's district6.

We could not confirm any township rule on living in an RV or a tiny home, or on minimum house size. Do not assume either is allowed; call the Land Use Office first6.

Can you add an accessory apartment in Mansfield Township?

Sometimes. Accessory apartments inside single-family detached homes are conditional uses in Mansfield Township's residential districts, requiring approval from the Consolidated Land Use Board and then a license from the Township Committee7.

The conditions are strict. The lot must be at least 20,000 square feet, the owner must live in the main unit, and no rent may be paid7. The apartment is limited to two bedrooms and cannot sit in an accessory building7. The license runs up to four years and renews for a $25 fee per unit7.

The construction itself still needs a building permit and certificate of occupancy18, and the township fire prevention office conducts a resale inspection19.

How do septic permits work in Mansfield Township?

Septic permits for Mansfield Township come from the Burlington County Health Department, Environmental Health Division, at 15 Pioneer Blvd., Westampton, NJ 08060 (609-265-5548)4. The township does not issue them. New Jersey law bars the building permit and the start of construction until the health board certifies the septic and water plans20.

Expect inspection too: no septic tank or tile field may be covered until the health board's representative has inspected it and given permission21. The state building rules add a septic inspection among the required stops for a one- or two-family home22.

Soils are a real constraint. Across Burlington County only about 0.2% of soils rate "not limited" for a conventional drain field, so expect a site evaluation and possibly an engineered system23. The county posts a septic and well fee schedule, but we could not confirm the amounts16.

Building a home in Mansfield Township: the steps, in order

  1. Ask the Land Use Office which zoning district the parcel is in and what it allows; variances and subdivisions go to the Joint Land Use Board6.
  2. Apply to the Burlington County Health Department for septic certification, and for a well permit if there is no public water424.
  3. Apply to the Mansfield Township Construction Office for the construction permit; the state requires the health board's sign-off first20.
  4. Stop for the required inspections, including footing, foundation, utility including septic, midpoint and final22.
  5. Obtain the certificate of occupancy before anyone uses the building9.

If the driveway meets a State highway, it needs a state access permit25. We could not confirm the township's own driveway standards.

What to check before you buy land in Mansfield Township

Start with the zoning district and the permit history, both available from township offices62. Splitting a lot means a subdivision application: the township code regulates subdivision in its Chapter 50, though we could not confirm the thresholds26.

Cost matters too. Burlington County's effective property tax rate is 2.4%, with a median bill of $7,902 a year1027. The typical home value in the county is $428,60328.

For sewer and water, we could not confirm whether a new home must connect to township sewer or water when available, so ask the Construction Office. We also could not confirm township floodplain or agricultural-use rules; ask before you rely on either. Land outside the township follows a different town's rules; see the Burlington County page for the county-level picture.

Watch-outs

  • Another Mansfield Township exists in Warren County, New Jersey, with a different zoning code; confirm any rule you find online is for Mansfield Township, Burlington County1.
  • The township's setback, lot-size, coverage and height standards sit in a district schedule we could not confirm; get the schedule for your parcel from the Land Use Office6.
  • We could not confirm township rules on RV living, tiny homes, minimum house size, short-term rentals or fees; call the Land Use Office and the Construction Office before you commit62.
  • A building permit cannot issue until county septic certification is in hand, so start the Burlington County Health Department application early20.

Sources

  1. Township of Mansfield, NJ R-1 Residence District (Chapter 65 Zoning) - eCode360 (Mansfield Township), quoted and re-checked
  2. Mansfield Township Construction Office (mansfieldtwp.com)
  3. NJ Department of Community Affairs - Uniform Construction Code (2026 county census)
  4. Burlington County Health Department, Environmental Health Division (burlingtoncountynj.gov)
  5. Environmental Health (2026 county census)
  6. Mansfield Township Land Use Office (mansfieldtwp.com)
  7. Township of Mansfield, NJ R-1 Residence District (Chapter 65 Zoning) - eCode360 (Mansfield Township), quoted and re-checked
  8. Township of Mansfield, NJ R-1 Residence District (Chapter 65 Zoning) - eCode360 (Mansfield Township), quoted and re-checked
  9. Chapter 12: Certificates of Occupancy - Township of Mansfield, NJ (eCode360) (Mansfield Township), quoted and re-checked
  10. Effective property tax rate: Bolthole Index county data
  11. Uniform Construction Code General Information, quoted and re-checked
  12. N.J.A.C. 5:23-2.14, Construction permits—when required (New Jersey statewide rule), quoted and re-checked
  13. N.J.A.C. 5:23, Uniform Construction Code (New Jersey statewide rule), quoted and re-checked
  14. Uniform Construction Code General Information, quoted and re-checked
  15. Construction Code FAQs for New Home Buyers, quoted and re-checked
  16. Environmental Health, quoted and re-checked
  17. P.L. 2013, c.106 — Municipal Land Use Law amendments (New Jersey statewide rule), quoted and re-checked
  18. Township of Mansfield, NJ R-1 Residence District (Chapter 65 Zoning) - eCode360 (Mansfield Township), quoted and re-checked
  19. Township of Mansfield, NJ R-1 Residence District (Chapter 65 Zoning) - eCode360 (Mansfield Township), quoted and re-checked
  20. New Jersey Statutes, R.S. 58:11-23 through 58:11-43 (New Jersey statewide rule), quoted and re-checked
  21. New Jersey Statutes, R.S. 58:11-23 through 58:11-43 (New Jersey statewide rule), quoted and re-checked
  22. New Jersey Department of Community Affairs consumer construction information, quoted and re-checked
  23. 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
  24. Bulletin 88-10: Private On-Site Water Supply Systems (New Jersey statewide rule), quoted and re-checked
  25. Major Access Permits (New Jersey statewide rule), quoted and re-checked
  26. Township of Mansfield, NJ Table of Contents - eCode360 (Burlington County code) (Mansfield Township), quoted and re-checked
  27. Median property tax bill: Bolthole Index county data
  28. Typical home value (Zillow): Bolthole Index county data

Written October 24, 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.

Answers from the rulebook for Mansfield Township

Mansfield Township’s own rules

  • InspectionsLimited

    Accessory apartments in Mansfield Township, Burlington County, NJ

    • Fire prevention resale inspection at initial registration; thereafter at each renewal or every four years, with a resale smoke certification fee.
    • Whole single-family home must comply with township and state fire and construction codes (subsection v).
    “a fire prevention resale inspection will be conducted by the mansfield township office of fire prevention of all accessory apartments at the initial registration”
  • Certificate of occupancyRequired

    New, changed, altered, converted or enlarged buildings or premises in Mansfield Township, Burlington County, NJ

    • Certificate must be issued before use or occupancy, in accordance with the construction code adopted under the state uniform construction code act (§ 12-1).
    • Chapter 12 also covers temporary certificates (§ 12-4), a continuing commercial certificate on sale or change of use (§ 12-6), revocation (§ 12-2) and inspection (§ 12-8); those sections were not opened.
    • Chapter 12 cross-references uniform construction codes in Chapter 14, which was not opened.
    “it shall be unlawful to use or permit the use of or occupy any buildings or premises or parts thereof hereafter created, located, erected, changed, altered, converted or enlarged wholly or partly until a certificate of occupancy has been issued for those premises in accordance with the requirements of the construction code adopted pursuant to the state uniform construction code act.”
  • Local zoningPresent (with conditions)

    Land inside Mansfield Township, Burlington County, NJ, under the township's own Chapter 65 Zoning ordinance

    • Uses are allowed by zoning district: Section 65-9 lists the by-right uses for the R-1 residence district, and Sections 65-10 and 65-11 list conditional and accessory uses.
    • The page shows Chapter 65 as amended by Ord. 2026-4, listed with date 2026-04-15 in the code's new-laws list.
    • Warren County's Mansfield Township (eCode360 customer ma2843, Chapter 363) is a different municipality and was excluded from this research.
    “in any r-1 residence district, land, buildings or premises shall be used by right only for one or more of the following:”
  • SetbacksSpecified

    Private garages and other outbuildings in Mansfield Township's Chapter 65 zoning (side and rear lot lines)

    • Principal-building setbacks by district are in the Schedule of Area and Bulk Regulations at the end of Chapter 65, which was not located.
    • Under § 65-13(b), in any existing development the building setback line is not less than 30 feet or the building line established by existing buildings.
    • A garage connected to a dwelling by a roofed breezeway is treated as part of the dwelling (§ 65-13(e)).

    minimum distance from side or rear property line, private garage or outbuilding: >= 10 feet (measured from the farthest projection of the structure)

    “no private garage or other outbuilding shall be placed closer to a side or rear property line than 10 feet, which shall be measured from the farthest projection of the structure.”
  • Accessory dwellingsLimited

    Accessory apartments in single-family detached homes in Mansfield Township's residential zoning districts (Burlington County, NJ)

    • Conditional use: approval by the Consolidated Land Use Board of Mansfield Township, then licensing by the Township Committee for up to four years, renewable.
    • Lot must be at least 20,000 square feet.
    • Primary unit must be occupied by the owner(s) of the lot; occupants must claim a familial relationship; no rent may be paid; no more than two occupants named by affidavit.
    • Accessory apartment cannot be in an accessory building, cannot be connected by a breezeway, cannot have separately metered utilities, and cannot have an entrance on the front of the principal dwelling.
    • Maximum two bedrooms; no home occupation; no boarders; off-street parking for both units.
    • Septic capacity and certification conditions apply (see septic_permit claim); a fire prevention resale inspection applies (see building_inspection claim).
    • Renewal administrative fee of $25 per accessory unit every four years, per subsection (u).

    minimum lot size for accessory apartment: >= 20000 square feet · minimum net floor area of accessory apartment: >= 400 square feet · maximum bedrooms in accessory apartment: <= 2 bedrooms · license term: <= 4 years (renewable thereafter) · renewal administrative fee: 25 USD per accessory unit · maximum net floor area of accessory apartment: 40% or 1,000 sq ft (house under 3,000 sq ft); 30% or 1,200 sq ft (house 3,000 to under 5,000 sq ft); 20% or 1,500 sq ft (house 5,000 sq ft or more), whichever is less

    “accessory apartments are conditionally permitted uses within all residential zoning districts in the township of mansfield subject to approval by the consolidated land use board of mansfield township and periodic licensing by the township committee in accord with the standards specified in this subsection.”
  • Subdividing landRegulated (with conditions)

    Division of land inside Mansfield Township, Burlington County, NJ

    • Chapter 50 (Subdivision of Land, § 50-1 to § 50-59) is listed in the township code; its text was not opened, so approval thresholds and procedure are not confirmed.
    “chapter 50 subdivision of land (§ 50-1 &ndash; § 50-59)”

Rules another office applies inside Mansfield Township

Mansfield Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Building permitRequired

    Construction or modification of an accessory apartment in Mansfield Township, Burlington County, NJ

    • Requirement is stated only for accessory apartments; the general building permit rule for other work was not located in the pages reviewed.
    • Applies the New Jersey Uniform Construction Code as the township code points to it.
    “the construction and modification of any accessory apartment shall be in accordance with the requirements of the uniform construction code of new jersey, including the requirement to obtain a building permit and certificate of occupancy.”
  • Building code adoptedAdopted

    Building construction in Mansfield Township, Burlington County, NJ, under the New Jersey Uniform Construction Code

    • The township's own Chapter 12 ties certificates to the construction code adopted under the state uniform construction code act.
    • Township enforcement chapter (Chapter 14, Construction Codes, Uniform) was not opened, so local enforcement details are not confirmed.
    “in accordance with the requirements of the construction code adopted pursuant to the state uniform construction code act.”
  • Who permits septicCounty (with conditions)

    Septic systems serving dwellings inside Mansfield Township, Burlington County, NJ, where a bedroom increase or unknown septic design triggers review

    • The Burlington County Board of Health certifies existing septic or design expansion before the township board approves the use.
    • Septic system permitting itself (not in the code) was not verified.
    “the applicant shall be required to obtain a burlington county board of health certification for the existing septic or design expansion certification prior to the approval by the township consolidated land use board.”
  • Septic permitLimited

    Dwellings in Mansfield Township, Burlington County, NJ where a bedroom increase raises septic demand, or the septic design is unknown

    • Certification is required rather than a general septic permit; it is triggered by an increase in septic demand or an unknown septic design.
    • Applied in the township's accessory-apartment conditional-use review.
    “if an increase in the total number of bedrooms of a dwelling unit shall increase the septic demands over the original septic design, or the septic design is unknown, the applicant shall be required to obtain a burlington county board of health certification for the existing septic or design expansion certification prior to the approval by the township consolidated land use board.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Mansfield Township or Burlington County directly.

  • Owner-builder exemption — Owner-builder permit exemption in Mansfield Township, Burlington County, NJ
  • Zoning districts — Zoning districts of Mansfield Township, Burlington County, NJ (Chapter 65)
  • Minimum dwelling size — Minimum dwelling size in Mansfield Township, Burlington County, NJ
  • Minimum lot size — Minimum lot area in the R-1 and other residential districts of Mansfield Township, Burlington County, NJ
  • Lot coverage — Lot coverage in Mansfield Township, Burlington County, NJ
15 more unanswered
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees
  • Permit process

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Unanswered questions are usually a sign that Mansfield Township publishes no rule on the point, not that none exists. Burlington County’s page lists the county offices to call.

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