Morris County, 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.
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.
“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.”
Construction inside Mount Arlington borough through the borough's State Uniform Construction Code enforcing 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.”
Construction work requiring inspection under the State Uniform Construction Code inside Mount Arlington borough.
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.”
Construction inside Mount Arlington borough for which a certificate of occupancy is issued.
“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.”
Land inside Mount Arlington borough; municipal zoning review applies to improvements.
“In general all improvements require zoning review before work may begin even if the project is exempt from construction permit requirements.”
Zoning information inside Mount Arlington borough.
“Zoning Application & Procedures Zoning Schedule 1 Zoning Map”
Locating, constructing, or altering an individual sewage disposal system inside Mount Arlington borough.
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.”
One-family residential lots with slopes of 15% or less inside Mount Arlington borough.
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.”
Construction permits and related certificates inside Mount Arlington borough.
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.”
Construction-permit process inside Mount Arlington borough.
“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.”
We looked and could not find an official answer yet. Silence is not permission; ask Borough of Mount Arlington or Morris County directly.
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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