Middlesex County, New Jersey
Borough of Highland Park is a borough in Middlesex County, New Jersey. Borough of Highland Park adopts its own zoning, so inside its limits Borough of Highland Park’s rules apply, not the county’s. 12 rules below are quoted from official sources and independently re-checked, most recently on October 12, 2026. Rules for unincorporated land are on the Middlesex County page.
Buildings or portions of buildings created, changed, converted, altered, or enlarged in Highland Park borough.
“It shall be unlawful to use or permit the use of any building or part thereof hereafter created, changed, converted, altered or enlarged, wholly or in part, until a certificate of occupancy shall have been issued by the Building Inspector”
Highland Park borough land under Chapter 230, Land Development, including zoning regulations.
“The following regulations shall apply in the RA Residential Zone. Permitted principal uses. (1) Single-family detached dwellings.”
Zoning districts inside Highland Park borough.
“§ 230-132 RA Single-Family Residential Zone. § 230-133 RB Two-Family Residential Zone. § 230-134 RA-E Single-Family Residential — Ecological Preservation Zone.”
Premises with plumbing fixtures inside Highland Park borough.
public sewer availability distance: <= 200 feet (A public sewer is deemed available if a property line is within 200 feet.)
“The building drain of any premises in which plumbing fixtures are installed shall be connected to a public sewer system if available. A public sewer system shall be deemed available to a premises if a property line of such premises is within 200 feet. All connections must be watertight.”
Subdivision and resubdivision of land inside Highland Park borough.
“Prior to the subdivision or resubdivision of land within the municipality and as a condition of the filing of subdivision plats with the County Recording Officer, a resolution of approval of the reviewing board is required”
Highland Park development applications, zoning permits, subdivisions, site plans, variances, and related approvals.
minor subdivision application fee: 250 USD (plus $500 per lot escrow, $1,000 minimum) · residential zoning permit fee: 75 USD
“Every application for development shall be accompanied by a nonrefundable application fee and a separate preliminary escrow account deposit, each payable to the Borough of Highland Park in accordance with the Schedule of Application Fees and Preliminary Escrow Account Deposits set forth in Schedule A attached hereto.”
Development applications inside Highland Park borough.
“No application for development shall be deemed complete unless and until all required application fees, preliminary escrow account deposits and further initial escrow account deposits are paid in full.”
Borough of Highland Park does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Single-family detached dwellings in the RA Residential Zone.
minimum gross floor area per dwelling unit: >= 1500 square feet
“Minimum GFA/DU (square feet) 1,500 1,500 1,500 1,000 ___1 ___1 1,000”
Single-family detached dwellings in the RA Residential Zone.
minimum lot area: >= 5000 square feet
“Minimum lot area (square feet) 5,000 12,000 5,000 7,500 2 acres 3 acres 3 acres”
Single-family detached dwellings in the RA Residential Zone.
minimum front yard: >= 20 feet · minimum one side yard: >= 10 feet · minimum two side yards: >= 20 feet · minimum rear yard: >= 20 feet
“Minimum front yard (feet) 20 20 20 20 ___1 ___1 50 Minimum 1 side yard (feet) 10 20 5 10 ___1 ___1 50 Minimum 2 side yards (feet) 20 30 5 20 ___1 ___1 100 Minimum rear yard (feet) 20 30 20 30 ___1 ___1 50”
Single-family detached dwellings in the RA Residential Zone.
maximum lot coverage: <= 30 percent
“Maximum lot coverage 30% 25% 35% 35% 30% 35% 25%”
Single-family detached dwellings in the RA Residential Zone.
maximum height: 2.5 stories / 35 feet
“Maximum height (stories/feet) 2.5/35 2.5/35 2.5/35 2.5/35 2/35 2.5/35 4/48”
We looked and could not find an official answer yet. Silence is not permission; ask Borough of Highland Park or Middlesex 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 Highland Park publishes no rule on the point, not that none exists. Middlesex County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Borough of Highland Park means bringing your own water and power. The kit we’d start with:
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