Zoning, building permits and septic rules in Town of Columbia, New Hampshire

Town of Columbia’s own rules

• Local zoningPresent (with conditions)

  Land inside Columbia town limits.

  • The Planning Board administers the town zoning ordinance.

  “b. rural zone: all lands in the town shall be zoned as rural and subject to the following provisions of this ordinance.”

• Zoning districtsPublished (with conditions)

  Land inside Columbia town.

  • The Flood Plain Zone is an overlay and is defined by FEMA Special Flood Hazard Areas.
  • All lands are Rural Zone lands subject to the zoning ordinance.

  “the town of columbia shall have two (2) zoning districts.”

• Minimum lot sizeSpecified

  Rural Zone, which covers all lands in Columbia town except the Flood Plain overlay.

  • Only one principal residential unit is allowed per three-acre lot.
  • A minimum 200 feet of road frontage is required on a state, town, or approved subdivision road.
  • Selectmen approval is required for lots fronting a Class VI or private road.

  minimum lot size: >= 3 acres · minimum frontage: >= 200 feet (State road, town road, or approved subdivision road.)

  “a.minimum lot size is 3 acres (130,680 sq. ft.) only one principal residential unit shall be allowed per 3 acre lot.”

• Building heightSpecified

  Rural Zone, which covers all lands in Columbia town except the Flood Plain overlay.

  maximum structure height: <= 35 feet

  “d. no structure shall be placed or erected on any lot in columbia having a height of more than thirty five (35) feet. (approved 2016)”

• Living in an RVLimited

  Camper trailers and recreational vehicles on private lots inside Columbia town.

  • No more than one camper trailer per lot.
  • Current registration is required.
  • Use is limited to six months in one calendar year.
  • Temporary construction-related use must conform with all sanitary codes and be removed 30 days after project completion.

  maximum seasonal occupancy: <= 6 months per calendar year (Not more than one camper trailer per lot, with proof of current registration.)

  “camper trailers (all recreational vehicles) are not to be inhabited in columbia on any lot as permanent camps. a zoning compliance certificate may be issued for not more than one camper trailer per lot - with proof of current registration - for up to six (6) months in one (1) calendar year.”

• Manufactured homesLimited

  Manufactured homes occupied as dwellings inside Columbia town.

  • A zoning compliance certificate must be issued before placement.
  • Lots must meet permanent-housing requirements for lot size, frontage, placement, water, and sewerage.
  • The home must meet the ordinance's chimney, foundation, exterior-wall, and skirting requirements.
  • All manufactured homes must be on a continuous concrete foundation slab.

  minimum manufactured-home size: >= 600 square feet

  “a manufactured home to be occupied as a dwelling shall be allowed if the following conditions are met: a) the town issues a zoning compliance certificate prior to placement of the manufactured home.”

• Driveway accessRequired

  A proposed structure requiring a zoning compliance certificate where a driveway does not already exist inside Columbia town.

  • The driveway permit must be approved by the Selectmen and/or Road Agent before the zoning compliance certificate is issued.
  • A copy of the driveway permit must accompany the zoning compliance certificate application.

  “c.a permit for a driveway must be approved by the selectmen and or road agent before issuance of a zoning compliance certificate, (where a driveway does not already exist.) a copy of the driveway permit must accompany the zoning compliance certificate application.”

• Building in a floodplainRequired

  Development in FEMA-designated Special Flood Hazard Areas inside Columbia town.

  • The Flood Plain Ordinance overlays and supplements the zoning ordinance.
  • Where the two ordinances conflict, the greater restriction or more stringent standard controls.
  • The incorporated FEMA Flood Insurance Rate Maps are dated April 2, 1986, as amended.

  “all lands in the floodplain zone, as defined above and designated as “special flood hazard areas” shall comply with the columbia floodplain ordinance - (see separate document).”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Town of Columbia or Coos County directly.

• Owner-builder exemption — Owner-built residential construction inside Columbia town.
• Inspections — Residential construction inside Columbia town.
• Certificate of occupancy — Residential structures inside Columbia town.
• Lot coverage — Land inside Columbia town.
• Camping on your land — Temporary tent camping on private land inside Columbia town.

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 Town of Columbia 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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