Bolthole Index

Grafton County, New Hampshire

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

Town of Alexandria is a town in Grafton County, New Hampshire. Town of Alexandria has not adopted its own zoning; the county’s or state’s rules apply inside its limits. Septic permits inside Town of Alexandria come from the state health agency. 9 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Grafton County page.

Answers from the rulebook for Town of Alexandria

Town of Alexandria’s own rules

  • Local zoningAbsent

    Land inside Alexandria town limits: the town has no local zoning ordinance according to the NH Office of Planning and Development list

    • Source is a state list dated 12/18/2019; no current town statement was opened to re-verify
    • The town policies and ordinances page lists no zoning ordinance
    • Septic, well, floodplain and state subsurface rules still apply inside the town
    “municipalities w/no zoning municipalityname alexandria canaan chatham clarksville errol grafton haverhill”
  • Zoning districtsNot published

    Inside Alexandria town limits: no zoning districts exist because the town has no zoning ordinance

    • Based on the 2019 NH OPD no-zoning list
    “municipalities w/no zoning municipalityname alexandria canaan chatham clarksville errol grafton haverhill”
  • Minimum dwelling sizeNone

    Single-family dwellings inside Alexandria town; no local minimum dwelling size

    • Based on the 2019 NH OPD no-zoning list; state building code minimums were not opened
    “municipalities w/no zoning municipalityname alexandria canaan chatham clarksville errol grafton haverhill”
  • Minimum lot sizeNone

    Main single-family residential land inside Alexandria town; no single-family district exists because the town has no zoning

    • No local minimum lot size from zoning; state subsurface (septic) lot requirements still apply
    • Based on the 2019 NH OPD no-zoning list
    “municipalities w/no zoning municipalityname alexandria canaan chatham clarksville errol grafton haverhill”
  • SetbacksNone

    Main single-family residential land inside Alexandria town; no zoning setbacks

    • No local zoning setbacks; septic and well separation rules still apply
    • Based on the 2019 NH OPD no-zoning list
    “municipalities w/no zoning municipalityname alexandria canaan chatham clarksville errol grafton haverhill”
  • Lot coverageNone

    Main single-family residential land inside Alexandria town; no zoning lot coverage limit

    • Based on the 2019 NH OPD no-zoning list
    “municipalities w/no zoning municipalityname alexandria canaan chatham clarksville errol grafton haverhill”
  • Building heightNone

    Land inside Alexandria town; no zoning height limit

    • Based on the 2019 NH OPD no-zoning list; state fire and building code height rules were not opened
    “municipalities w/no zoning municipalityname alexandria canaan chatham clarksville errol grafton haverhill”
  • Building in a floodplainRequired

    Development inside Alexandria town's mapped flood hazard areas under the town's Floodplain Management Ordinance

    • Town participates in the National Flood Insurance Program and applies the Floodplain Management Ordinance
    • Applies to areas the town's flood maps identify as subject to periodic flooding; the ordinance text itself was not opened, so permit steps are not verified
    “the town of alexandria, nh has chosen to become a participating community in the national flood insurance program, and agreement to comply with the requirements of the national flood insurance act of 1968 (p.l. 90-488) as amended as detailed in the floodplain management ordinance.”

Rules another office applies inside Town of Alexandria

Town of Alexandria 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 septicState (with conditions)

    New individual sewage disposal (septic) systems inside Alexandria town; NHDES designer and installer rules apply

    • Applications must be prepared by a permitted designer
    • With the exception for homeowners installing for their primary domicile, septic systems must be constructed by a permitted installer
    • No town septic ordinance was found on the policies page
    “applications for individual sewage disposal systems or septic systems must be prepared by a permitted designer.”

Still unanswered

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

  • Building permit — New residential construction inside Alexandria town
  • Owner-builder exemption — Owner-builder construction inside Alexandria town
  • Building code adopted — Building code applicable to construction inside Alexandria town
  • Inspections — Building inspections inside Alexandria town
  • Certificate of occupancy — Certificate of occupancy for new homes inside Alexandria town
11 more unanswered
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • Short-term rentals
  • Permit fees
  • Permit process

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 Town of Alexandria publishes no rule on the point, not that none exists. Grafton County’s page lists the county offices to call.

Off-grid gear

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

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