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

Borough of Pennington’s own rules

• Building permitRequired

  Construction and listed building, alteration, addition, new-building, trailer-placement, and temporary-mobile-home work inside Pennington borough.

  • The official page says a construction permit may include building, electrical, fire, and plumbing subcode sections.
  • A new building requires building, fire, electrical, plumbing, and zoning approvals, with prior approval for a new dwelling.
  • Requirements vary by project.

  “A construction permit, which may include a building, electrical, fire and/or plumbing sub-code technical section, is required to do any of the following:”

• Local zoningPresent

  Land inside Pennington borough.

  • Chapter 215 is the borough's zoning chapter; the code states it was adopted by the Borough Council on 8-7-1978 by Ordinance 295.

  “[HISTORY: Adopted by the Borough Council of the Borough of Pennington 8-7-1978 by Ord. No. 295. Amendments noted where applicable.]”

• Accessory dwellingsAllowed (with conditions)

  One affordable accessory apartment on a lot in the R-80 or R-100 zoning district inside Pennington borough.

  • The lot must fully conform to minimum lot area and minimum lot width requirements.
  • The lot must have only one single-family detached dwelling.
  • The apartment must be rented to a low-income household for at least 10 years from certificate-of-occupancy issuance.
  • No more than six affordable accessory apartments are permitted borough-wide.
  • The apartment must contain at least 350 and no more than 800 square feet.

  maximum borough-wide affordable accessory apartments: 6 apartments · minimum apartment area: >= 350 square feet · maximum apartment area: <= 800 square feet · low-income rental period: >= 10 years from certificate of occupancy

  “Where permitted. Notwithstanding any provision of this section to the contrary, one affordable accessory apartment shall be permitted on a lot within the R-80 and R-100 Zoning Districts which meets the following requirements:”

• Off-grid sanitationLimited

  Private sewage-disposal facilities and off-grid sanitation inside Pennington borough.

  • The code prohibits maintaining privies, privy vaults, septic tanks, or other sewage-disposal facilities except as otherwise provided.
  • Where a borough public sewer abuts the property, direct connection is required.

  “Except as hereinafter provided, it shall be unlawful to construct or maintain any privy, privy vault, septic tank, cesspool or other facility intended or used for the disposal of sewage.”

• Mandatory utility hookupSewer (with conditions)

  Houses, buildings, and properties used for human occupancy, employment, recreation, or other purposes inside Pennington borough that abut a street, alley, or right-of-way containing a borough public sanitary sewer.

  • Connection is at the owner's expense.
  • Connection must occur within 270 days after official notice.
  • When connection is made, septic tanks, cesspools, and similar private sewage facilities must be abandoned and filled as provided by the code and applicable state laws and sanitary codes.

  connection deadline: 270 days after official notice

  “The owner of all houses, buildings or properties used for human occupancy, employment, recreation or other purpose, situated within the borough and abutting on any street, alley or right-of-way in which there is located a public sanitary sewer of the borough, is required at the owner's expense to connect directly with the proper public sewer in accordance with the provisions of this chapter within 270 days after the date of official notice to do so.”

• Permit feesPublished

  Construction and zoning-related permits inside Pennington borough.

  • Plan review is 10% of the construction-permit fee, with a $75 minimum.
  • Zoning application fees include residential fence $28, residential principal use $66, residential accessory use $33, commercial fence $55, commercial principal use $165, commercial accessory use $66, signs $25, temporary activity permit $55, and residential conversion $110.
  • The zoning application says the fee schedule is attached.

  minimum plan review fee: 75 USD · plan review fee: 10 percent of construction permit fee (20% DCA plan-review fee deducted under N.J.A.C. 5:23-2.26)

  “Plan review fees shall be computed at 10% of the fee to be charged for the construction permit. For projects which do not require plan review for all subcodes, the fee shall be the appropriate percentage of the subcode fee that is applicable. The minimum plan review fee is $75.”

Rules another office applies inside Borough of Pennington

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

• Who permits septicMixed (with conditions)

  Septic and related environmental-health services inside Pennington borough are provided through the Pennington Borough Board of Health in conjunction with the Hopewell Township Health Department; municipal sewer connections remain administered by the borough Sewer Department.

  • The health department serves the Hopewell Valley, including Pennington borough.
  • The borough code separately governs connection to public sanitary sewer.

  “We work in conjunction with the Hopewell Township Health Department to provide day-to-day public health services to Pennington Borough pursuant to New Jersey’s Public Health Practice Standards”

Still unanswered

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

• Owner-builder exemption — Owner-builder work inside Pennington borough.
• Living in an RV — Residential or long-term occupancy of recreational vehicles inside Pennington borough.
• Camping on your land — Temporary camping on private land inside Pennington borough.
• Tiny homes — Tiny-home occupancy inside Pennington borough.
• Manufactured homes — Manufactured-home occupancy inside Pennington borough.

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 Borough of Pennington 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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