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

Millburn Township’s own rules

• Building code adoptedAdopted (with conditions)

  Construction inside Millburn township is administered by the Millburn Construction Code Enforcing Agency under the New Jersey State Uniform Construction Code.

  • The agency administers the State Uniform Construction Code and State Uniform Construction Code Act.

  “State Uniform Construction Code enforcing agency”

• InspectionsRequired

  Construction inside Millburn township subject to the State Uniform Construction Code.

  • Before building-framing inspection, a licensed New Jersey land surveyor's height-compliance certification must be filed with the Construction Office.

  “The enforcing agency will administer the provisions of the State Uniform Construction Code Ordinance in accordance with N.J.S.A. 52:27D-132. Prior to inspection of building framing, a certification, with supporting documentation, signed by a licensed land surveyor registered in the State of New Jersey shall be filed with the Construction Office who shall review same to assure compliance with applicable height restrictions.”

• Certificate of occupancyRequired

  Buildings and structures inside Millburn township requiring a certificate of occupancy.

  • The enforcing agency administers the State Uniform Construction Code certificate-of-occupancy provisions.
  • Before issuance, an as-built survey by a licensed New Jersey land surveyor must be filed and reviewed for zoning compliance, including setbacks, lot coverage, building coverage, accessory-use coverage, and height.

  “Prior to the issuance of a certificate of occupancy”

• Local zoningPresent

  Land inside Millburn township's limits; the township adopts and administers its own Development Regulations and Zoning Ordinance.

  • The ordinance divides the Township into zoning districts shown on the Zoning Map.

  “the Township is hereby divided into zoning districts”

• Minimum lot sizeSpecified

  One-family dwellings in the R-7 Residential District inside Millburn township.

  • The R-7 table separately lists one-family and two-family standards.

  minimum lot area: 4000 square feet · minimum lot width: 40 feet

  “1. | Minimums. | One-Family | Two-Family | (a) | Lot area-square feet | 4,000 | 5,000 | (b) | Lot width-feet | 40 | 50”

• SetbacksSpecified

  One-family dwellings in the R-7 Residential District inside Millburn township.

  • Front setbacks use the average established setback or 24 feet.
  • For undeveloped areas, the general note states the front setback minimum is 40 feet.
  • The side setback varies by building height; the rear setback is the greater of 20 feet or 20% of lot depth.

  front setback: average established setback or 24 feet (If the area has no development, minimum 40 feet) · side setback up to 18 feet height: 4 feet (One-family R-7) · side setback at 32 feet height: 8 feet (One-family R-7) · rear setback: greater of 20 feet or 20% of lot depth

  “Rear setback-depth-feet Greater of 20 feet or 20% of lot depth”

• Building heightSpecified

  One-family dwellings in the R-7 Residential District inside Millburn township.

  • The table limits both height in feet and stories.

  maximum building height: 32 feet · maximum building height: 2.5 stories

  “(c) | Building height-feet | 32 | 32 (d) | Floor area ratio | 38% | 38% (e) | Building height-stories | 2.5 | 2.5”

• Living in an RVProhibited

  Use of trailers, campers, or boats for dwelling purposes or as sleeping quarters on private land inside Millburn township.

  • Temporary use is allowed when a building has been damaged.
  • Temporary use as a construction office is allowed during construction only when the Construction Official issues a temporary permit.
  • Parking or storage on private premises is not prohibited, but must be in rear-yard areas only.

  “No trailer, camper or boat shall be used for dwelling purposes or as sleeping quarters”

• Accessory dwellingsProhibited

  Accessory dwelling units in all residential zoning districts inside Millburn township.

  • The ordinance defines an ADU as a self-contained unit with permanent living, sleeping, eating, cooking, and sanitation provisions on the same lot as a principal dwelling.
  • The ordinance treats an ADU as a second principal residential dwelling and states that multiple principal uses are not allowed.

  “Accessory Dwelling Units (ADUs) are prohibited in all residential zoning districts.”

• Who permits septicLocal (with conditions)

  Septic and cesspool connections inside Millburn township.

  • The Board of Health issues the permit for connection or alteration involving a septic tank or cesspool.

  “No connection nor alteration of such connection shall be made between any septic tank or cesspool and any ground, building, structure or place of business without a permit for that purpose obtained from the Board of Health.”

• Septic permitRequired

  Any connection or alteration between a septic tank or cesspool and land, a building, structure, or place of business inside Millburn township.

  • A permit must be obtained from the Board of Health before the connection or alteration.

  “No connection nor alteration of such connection shall be made between any septic tank or cesspool and any ground, building, structure or place of business without a permit for that purpose obtained from the Board of Health.”

• Mandatory utility hookupSewer (with conditions)

  Buildings on public streets or easements inside Millburn township where a sewer is constructed and operating or later becomes constructed and operating.

  • The building must connect on the sewer connection date.
  • The connection point is designated by the Township Engineer.
  • The Board of Health code separately requires connection within 30 days after written notice for property abutting a street where a sewer is laid.

  notice compliance period: 30 days

  “shall connect their houses and other buildings therewith”

• Building in a floodplainRequired

  Any development in a flood hazard area inside Millburn township.

  • The applicant must apply to the Floodplain Administrator and obtain the required permit.
  • A floodplain development permit or approval may be required in addition to a building permit.
  • Necessary federal or state permits must be obtained before development approval.
  • Development for which a permit is required is subject to inspection.

  “shall first make application to the Floodplain Administrator and shall obtain the required permit.”

• Short-term rentalsLimited

  Short-term rentals in the R-3, R-4, R-5, and R-6 residential districts inside Millburn township.

  • Short-term rentals are referenced as accessory uses and are regulated by § 4-42 of the Revised General Ordinances.
  • The opened source did not reproduce the complete § 4-42 restrictions.

  “Short-term rentals as defined herein and as regulated by Section 4-42 of the Revised General Ordinances of the Township of Millburn.”

Still unanswered

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

• Owner-builder exemption — Owner-builder exemptions for construction inside Millburn township.
• Minimum dwelling size — Minimum dwelling size in Millburn township residential districts.
• Camping on your land — Temporary camping generally inside Millburn township.
• Tiny homes — Tiny-home occupancy inside Millburn township.
• Manufactured homes — Manufactured-home occupancy generally inside Millburn township.

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.

Off-grid gear

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

• Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
• Power Bluetti Solar generators and home battery backup for living off the grid.
• Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
• Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.

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