Bolthole Index

Monmouth County, New Jersey

Building permits, zoning and septic in the Borough of Allentown, NJ

The Borough of Allentown, New Jersey requires construction permits for work covered by the statewide Uniform Construction Code.1 Allentown, in Monmouth County, has borough zoning, with building and zoning services provided through Upper Freehold Township.234 Monmouth County Office of Public Health oversees septic and well approvals inside Allentown, while new development must connect to borough sewer where possible.56

At a glance

Building permits
Required for UCC-covered work; ordinary maintenance is exempt1
Zoning
Borough zoning; services through Upper Freehold Township24
Septic and wells
Monmouth County Office of Public Health approvals and inspections5
Sewer connection
New development connects to borough sewer where possible6
RV and tiny-home living
We could not confirm occupancy permission; ask the Zoning Office4
Owner-builder
Personal-use registration exception does not waive construction permits7
Private wells
NJDEP drilling permit plus local health approvals8

Who to call

Building permits

Allentown Construction Office — Upper Freehold Township

Construction permits and inspections for Allentown under a shared-service agreement

609-758-7738 x222

[email protected]

314 Route 539, Cream Ridge, New Jersey 08514

Zoning

Allentown Zoning Office — Upper Freehold Township

Borough zoning services and zoning-permit questions

609-758-7738 x222

314 Route 539, Cream Ridge, New Jersey 08514

Septic permits

Monmouth County Office of Public Health — Consumer Public Health / Inspection Services

Septic-system and well approvals and inspections for member municipalities, including Allentown

[email protected]

Contact details are copied from each office’s official page and were checked against it on October 12, 2026.

Off-grid gear

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

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Do you need a building permit in the Borough of Allentown, NJ?

Allentown construction governed by New Jersey’s Uniform Construction Code requires a construction permit before covered work begins; ordinary maintenance is exempt, and minor work follows a notice-and-permit procedure.1 Allentown’s Construction Office operates through a shared-service agreement with Upper Freehold Township.3 Send construction-permit questions to that office rather than county planning.3 New Jersey construction inspectors check work at required stages, including footing trenches, rough plumbing and electrical wiring, and framing before finishes conceal the work.9

Does the Borough of Allentown have zoning and district limits?

Allentown has borough land-development regulations governing structures, land uses and zoning districts.2 The borough uses Upper Freehold Township for zoning services.4 Ask the Zoning Office to identify the parcel’s district and review the intended use before designing a house.4 New Jersey authorizes district-specific lot sizes and setbacks, so there is no single statewide dimension to apply to an Allentown parcel.1011 In Allentown’s R-20 district, the maximum building height is 35 feet, also limited to 2 1/2 stories.12 A project needing a variance goes before the Planning and Zoning Board.4

How do septic permits and sewer connections work inside Allentown?

Monmouth County Office of Public Health oversees septic-system approvals and inspections inside Allentown.5 New Jersey requires the board of health having jurisdiction to certify proposed water-supply and sewerage facilities before the building permit issues or construction begins.13 Allentown requires new development to connect to borough sewer where possible, and a new structure using water must connect to the designated sewer collection line before lawful occupancy or use.6 The stated sewer connection fee is $5,600, with additional connection expenses paid by the owner.6 Approved septic systems receive inspections throughout installation and must not be covered before health-authority inspection and permission.1415

Can you live in an RV or tiny home in the Borough of Allentown?

We could not confirm permission for residential RV occupancy, temporary camping, tiny-home occupancy or manufactured-home placement in Allentown; ask the Allentown Zoning Office about the exact proposed use before buying a unit or land.4 Allentown’s zoning regulations govern land uses and structures inside the borough.2 New Jersey’s manufactured-home construction and installation rules do not establish Allentown zoning permission for a particular parcel.162 We also could not confirm an Allentown minimum dwelling floor area or which districts allow accessory apartments; request a district-specific answer from the Zoning Office.4

What are the steps to build a home in the Borough of Allentown?

  1. Ask the Allentown Zoning Office to review the proposed use and whether a variance is needed.4
  2. Submit the written zoning-permit request with the intended use and a scaled, dimensioned plan based on a current survey by a New Jersey licensed professional surveyor.17
  3. Resolve sewer connection and any required health certification for proposed water and sewage facilities before construction approval.613
  4. Apply through Allentown’s Construction Office in Upper Freehold; the construction permit cannot issue until required state, county and local approvals are in place.318
  5. Arrange construction-stage inspections and obtain the Zoning Officer’s occupancy permit before using a newly constructed or altered building.919

What should you check before buying land in the Borough of Allentown?

Ask Monmouth County Office of Public Health about septic suitability and well approvals, while taking the borough’s sewer-connection requirement into account.56 A proposed private well needs an NJDEP drilling permit and local health-authority construction approvals.8 Allentown’s driveway rule for one-family dwellings requires at least 12 feet of width and parking for at least 2 cars.20 Owner-builders should budget for normal construction compliance: the personal-use builder-registration exception does not waive construction permits, and owner-built new homes require an affidavit before a certificate of occupancy.721 For property outside the borough, consult the Monmouth County guide for the broader municipal-authority picture.22

Watch-outs

  • Allentown building and zoning services are based at Upper Freehold Township’s municipal building, rather than the county planning office.34
  • We could not confirm parcel-specific floodplain requirements or the legality of an off-grid sanitation proposal; start with the Allentown Zoning Office and Monmouth County Office of Public Health.423
  • Allentown requires a Zoning Officer occupancy permit for newly constructed or altered buildings and changes of use.19

Sources

  1. N.J.A.C. 5:23-2.14, Construction permits—when required (New Jersey statewide rule), quoted and re-checked
  2. Chapter 28 Land Development Regulations (Borough of Allentown), quoted and re-checked
  3. Allentown Construction Office — Upper Freehold Township (allentownboronj.com)
  4. Allentown Zoning Office — Upper Freehold Township (allentownboronj.com)
  5. Consumer Public Health / Inspection Services (Borough of Allentown), quoted and re-checked
  6. Chapter 28 Land Development Regulations (Borough of Allentown), quoted and re-checked
  7. Builder Registration and New Home Warranty for Builders (New Jersey statewide rule), quoted and re-checked
  8. Bulletin 88-10: Private On-Site Water Supply Systems (New Jersey statewide rule), quoted and re-checked
  9. New Jersey Department of Community Affairs, New Home Warranty—Consumer Information (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. P.L. 2013, c.106 (Municipal Land Use Law amendments) (New Jersey statewide rule), quoted and re-checked
  12. Appendix C Schedule of District Regulations (Borough of Allentown), quoted and re-checked
  13. New Jersey Statutes, R.S. 58:11-23 through 58:11-43 (New Jersey statewide rule), quoted and re-checked
  14. Consumer Public Health / Inspection Services (Borough of Allentown), quoted and re-checked
  15. New Jersey Statutes, R.S. 58:11-23 through 58:11-43 (New Jersey statewide rule), quoted and re-checked
  16. Manufactured/Modular Buildings Program (New Jersey statewide rule), quoted and re-checked
  17. Chapter 28 Land Development Regulations (Borough of Allentown), quoted and re-checked
  18. New Jersey Uniform Construction Code, N.J.A.C. 5:23 (New Jersey statewide rule), quoted and re-checked
  19. Chapter 28 Land Development Regulations (Borough of Allentown), quoted and re-checked
  20. Chapter 28 Land Development Regulations (Borough of Allentown), quoted and re-checked
  21. N.J.A.C. 5:23, Uniform Construction Code (New Jersey statewide rule), quoted and re-checked
  22. Monmouth County Development Regulations, Volume I, quoted and re-checked
  23. Monmouth County Office of Public Health — Consumer Public Health / Inspection Services (co.monmouth.nj.us)

Written October 12, 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 Borough of Allentown

Borough of Allentown’s own rules

  • Certificate of occupancyRequired

    Buildings constructed, erected, altered, or undergoing a change of use inside Allentown borough.

    • An occupancy permit must be issued by the Zoning Officer before occupancy or use.
    • The Zoning Officer issues or denies the permit within 10 days of written application.
    • Separate construction-code certificate-of-occupancy fees and requirements may also apply.

    occupancy permit decision period: 10 days (From the date of written application.)

    “No building hereafter constructed, erected or altered shall be occupied or used in whole or in part for any use whatsoever, and no change of use of any building or part thereof shall hereafter be made, until an occupancy permit has been issued by the Zoning Officer, certifying that the building or use complies with provisions of this chapter and with the zoning permit issued therefor, if any.”
  • Local zoningPresent

    Land inside Allentown borough.

    • Chapter 28 regulates buildings, structures, land uses, zoning districts, and administration within the borough.
    “An ordinance to permit within specified districts or zones, and to regulate therein, buildings and structures according to their construction and the nature and extent of their use, and the nature and uses of land in the Borough of Allentown in the County of Monmouth and State of New Jersey and providing for the administration and enforcement of provisions herein contained and fixing penalties for the violations thereof.”
  • Mandatory utility hookupSewer (with conditions)

    New buildings and development inside Allentown borough where Borough sewer service is possible or the designated sewer collection line is available.

    • All new development shall be connected to the Borough sewer system where possible.
    • A new structure using water must connect to the designated sewer collection line before lawful occupancy or use.
    • Connection is under Borough supervision and owner pays connection-related expenses.

    sewer connection fee: 5600 USD (Additional connection expenses, including service saddles, teewye fitting, clean-outs, and street excavation, are paid by the owner.)

    “Any building or structure hereafter erected wherein water is used shall be connected to the designated sewer collection line before it shall be lawfully occupied or used.”
  • Driveway accessRequired

    One-family dwellings and development requiring driveways inside Allentown borough.

    • One-family dwellings must provide a driveway connecting the garage to a street on which the lot abuts.
    • Driveways must provide parking for at least two cars and must be at least 12 feet wide.

    minimum driveway width: 12 feet · minimum parking capacity: >= 2 cars

    “All one-family dwellings constructed shall have an attached or detached garage having a minimum area of 250 square feet and shall provide a driveway connecting the garage to a street on which the lot abuts. Driveways shall be a minimum of 12 feet in width and provide parking for a minimum of two cars.”
  • Permit processPartial

    Zoning and development applications inside Allentown borough.

    • Written zoning-permit requests must identify the intended use and include a scaled, dimensioned plan showing the building's relation to lot and street lines.
    • The plan must be based on a current survey prepared by a New Jersey licensed professional surveyor.
    • Development applications must be filed at least 14 days before the desired Planning Board meeting.

    application filing lead time: >= 14 days (Before the Planning Board meeting at which consideration is desired.)

    “All requests for zoning permits shall be made in writing by the owner or his authorized agent and shall include a statement of the use or intended use of the building or structure and shall be accompanied by a plan drawn to scale and dimensions showing the proposed building in its exact relation to lot and street lines based upon a current survey of the property as prepared by a New Jersey licensed professional surveyor.”

Rules another office applies inside Borough of Allentown

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

  • Building heightSpecified

    Residential development in the Borough R-20 district.

    • Maximum height is 2 1/2 stories or 35 feet, as shown in Appendix C.

    maximum building height: 35 feet (Also limited to 2 1/2 stories.)

    “R-20 100 200 35 35 15 20,000 30% 2 1/2 stories/35 feet”
  • Who permits septicCounty

    Individual septic systems and wells inside Allentown borough, which is listed among Monmouth County Health Department service towns.

    • The county Office of Public Health administers approvals and inspections for member municipalities under state septic standards.
    “The Office of Public Health oversees the approvals and the inspections of septic systems and wells for our member municipalities.”
  • Septic inspectionRequired

    Installation of an approved septic system inside Allentown borough.

    • Inspections are conducted throughout the entire installation.
    • The purpose is to ensure compliance with state regulations and requirements.
    “Inspections are conducted throughout the entire installation of the approved system to ensure compliance with state regulations and requirements.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Borough of Allentown or Monmouth County directly.

  • Owner-builder exemption — Owner-builders seeking exemption from construction-permit requirements inside Allentown borough.
  • Inspections — Construction inspections inside Allentown borough.
  • Minimum dwelling size — Single-family dwellings inside Allentown borough.
  • Living in an RV — Residential or long-term recreational-vehicle occupancy inside Allentown borough.
  • Camping on your land — Temporary camping on private land inside Allentown borough.
9 more unanswered
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Septic permit
  • Off-grid sanitation
  • Well permit
  • Agricultural exemption
  • Building in a floodplain
  • Short-term rentals

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 Borough of Allentown publishes no rule on the point, not that none exists. Monmouth County’s page lists the county offices to call.

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