Bolthole Index

Morris County, New Jersey

Zoning, building permits and septic rules in Borough of Mount Arlington, New Jersey

Borough of Mount Arlington is a borough in Morris County, New Jersey. Borough of Mount Arlington adopts its own zoning, so inside its limits Borough of Mount Arlington’s rules apply, not the county’s. Septic permits inside Borough of Mount Arlington come from the county and state together. 11 rules below are quoted from official sources and independently re-checked, most recently on October 12, 2026. Rules for unincorporated land are on the Morris County page.

Answers from the rulebook for Borough of Mount Arlington

Borough of Mount Arlington’s own rules

  • Building permitRequired

    Decks, swimming pools, bathroom and kitchen renovations, finished basements, water heaters, sheds, new electrical work, generators, transfer switches, and new plumbing inside Mount Arlington borough.

    • The official page says these are examples and advises contacting the Construction Department when uncertain.
    • Permit fees depend on the work performed.
    “Permits are required for decks, swimming pools, renovating bathrooms & kitchens, finishing basements, water heaters, sheds, new electric, whole house generators, transfer switches and new plumbing to list a few.”
  • Building code adoptedAdopted (with conditions)

    Construction inside Mount Arlington borough through the borough's State Uniform Construction Code enforcing agency.

    • The enforcing agency consists of borough construction and subcode officials qualified under New Jersey law.
    • The code is the State Uniform Construction Code adopted and administered through the borough agency.
    “There is hereby established in the Borough of Mount Arlington a State Uniform Construction Code enforcing agency to be known as the "Building Department," consisting of a Construction Official, Building Subcode Official, Fire Protection Official and such other subcode officials for such additional subcodes as the Commissioner of the Department of Community Affairs, State of New Jersey, shall hereafter adopt as part of the State Uniform Construction Code.”
  • InspectionsRequired

    Construction work requiring inspection under the State Uniform Construction Code inside Mount Arlington borough.

    • The homeowner must call for inspections.
    • A permit number is required to schedule an inspection.
    • Failure to obtain final inspections may result in a $2,000 penalty.

    final inspection penalty: 2000 USD

    “It is ultimately the Homeowners responsibility to call for any and all inspections. If you have an old permit, call the office and get the inspections. No penalty will be incurred. If you are cited for not obtaining final inspections the penalty will be $2,000.”
  • Certificate of occupancyLimited

    Construction inside Mount Arlington borough for which a certificate of occupancy is issued.

    • Inspectors review structural, plumbing, heating and air-conditioning, and electrical work before issuance.
    • The page does not establish that every existing residential occupancy requires a certificate of occupancy.
    “The Inspectors review structural construction, plumbing, heating and air conditioning, and electrical work prior to the issuance of a certificate of occupancy to ensure compliance with the State Uniform Construction Code.”
  • Local zoningPresent

    Land inside Mount Arlington borough; municipal zoning review applies to improvements.

    • The official construction page directs applicants to zoning applications, zoning schedules, and a zoning map.
    • All improvements generally require zoning review before work begins, even when construction-permit exempt.
    “In general all improvements require zoning review before work may begin even if the project is exempt from construction permit requirements.”
  • Zoning districtsPublished

    Zoning information inside Mount Arlington borough.

    • The official borough construction page publishes links for a Zoning Application & Procedures, Zoning Schedule 1, and Zoning Map.
    • The district-specific dimensional values were not extracted because the linked Chapter 17 material was inaccessible during this run.
    “Zoning Application & Procedures Zoning Schedule 1 Zoning Map”
  • Who permits septicMixed (with conditions)

    Individual and non-individual subsurface sewage disposal systems inside Mount Arlington borough.

    • The borough code assigns administrative authority to the Borough Board of Health.
    • The borough website states that public health services are provided by the Mount Olive Township Health Department.
    “The administrative authority as referred to in the aforesaid regulations shall be construed to mean the Board of Health of the Borough of Mount Arlington.”
  • Septic permitRequired

    Locating, constructing, or altering an individual sewage disposal system inside Mount Arlington borough.

    • The permit must be issued by the Board of Health.
    • A licensed New Jersey engineer, health officer, or sanitarian must certify compliance with N.J.A.C. 7:9-1.1 et seq.
    • The code establishes application fees of $150 for new construction and $75 for alterations.

    new system permit application fee: 150 USD · alteration permit application fee: 75 USD

    “No person shall locate, construct or alter any individual sewage disposal system until a permit for the location, construction or alteration of said sewage disposal system shall have been issued by the Board of Health.”
  • Driveway accessRequired

    One-family residential lots with slopes of 15% or less inside Mount Arlington borough.

    • A licensed-land-surveyor site plan must be submitted before issuance of a building permit.
    • The site plan must provide a paved driveway to a service garage or parking area with a grade not exceeding 13%.

    maximum driveway grade: <= 13 percent · lot slope applicability threshold: <= 15 percent

    “For the use of a one-family residential lot with slopes of 15% or less and accessory uses thereto, a site plan prepared by a licensed land surveyor shall be submitted to the Construction Official for approval prior to the issuance of a building permit.”
  • Permit feesPublished (with conditions)

    Construction permits and related certificates inside Mount Arlington borough.

    • Construction permit fees are the sum of subcode, administrative, and miscellaneous fees and are paid before issuance.
    • New construction is charged $0.43 per cubic foot with a $70 minimum.
    • Plan review is 20% of the construction permit fee and is credited toward that fee.
    • Certificate of occupancy fees are $65 for Use Group R-5 and $100 for other use groups.
    • Fees are rounded to the nearest dollar; mandatory state rules supersede inconsistent local fee provisions.

    new construction fee: 0.43 USD per cubic foot (minimum fee $70) · plan review fee: 20 percent of construction permit fee (credited toward construction permit fee) · certificate of occupancy fee, R-5: 65 USD · certificate of occupancy fee, other use groups: 100 USD

    “For new construction, including additions, the fee shall be $0.43 per cubic foot of building or structure volume, provided that the minimum fee shall be $70.”
  • Permit processPublished (with conditions)

    Construction-permit process inside Mount Arlington borough.

    • Applicants should contact the Construction Department when uncertain whether a permit is required.
    • Inspections are scheduled by telephone and require the permit number.
    • Payments must be cash or check; the official page states that credit cards are not accepted.
    “To schedule an inspection, you must call the Construction Department at 973-398-6832 ext 114. Your permit number is required for all inspection requests.”

Still unanswered

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

  • Owner-builder exemption — Owner-builder work inside Mount Arlington borough.
  • Minimum dwelling size — Residential districts inside Mount Arlington borough.
  • Minimum lot size — Residential zoning districts inside Mount Arlington borough.
  • Setbacks — Residential zoning districts inside Mount Arlington borough.
  • Lot coverage — Residential zoning districts inside Mount Arlington borough.
12 more unanswered
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Subdividing land
  • 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 Mount Arlington publishes no rule on the point, not that none exists. Morris County’s page lists the county offices to call.

Off-grid gear

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

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