Bolthole Index

Clinton County, New York

Zoning, building permits and septic rules in Town of Au Sable, New York

Town of Au Sable is a town in Clinton County, New York. Septic permits inside Town of Au Sable come from Clinton County (Clinton County Health Department - Environmental Health & Safety Division · 518-565-4870). 7 rules below are quoted from official sources and independently re-checked, most recently on November 6, 2026. Rules for unincorporated land are on the Clinton County page.

Answers from the rulebook for Town of Au Sable

Town of Au Sable’s own rules

  • Zoning districtsPublished (with conditions)

    Zoning districts inside Au Sable town.

    • The official zoning maps are incorporated into the zoning law.
    • Overlay districts are additional to base districts and can impose further submittal, mitigation, and review requirements.

    published districts: ACH; CH; MI; LI; RU; RM; MU1 (Additional districts continue in the zoning law)

    “the Town of AuSable establishes and is hereby divided into the following zoning districts”
  • Subdividing landRegulated (with conditions)

    Subdivision applications inside Au Sable town.

    • The Planning Board studies and votes on subdivision applications.
    • The town page provides subdivision application and subdivision-regulations materials; a public hearing is normally held, although it may be waived for a minor application.
    “handles applications for subdivisions of land”

Rules another office applies inside Town of Au Sable

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

  • Lot coverageDistrict specific (with conditions)

    R1 Existing Residential and R2 Undeveloped Residential districts inside Au Sable town.

    • Other zoning districts have different coverage limits.

    maximum lot coverage: 40 percent (R1 Existing Residential and R2 Undeveloped Residential)

    “R1 Existing Residential [...] 40% [...] R2 Undeveloped Residential [...] 40%”
  • Who permits septicCounty (with conditions)

    Sewage disposal serving residential or commercial buildings inside Au Sable town when public sewer is not supplied.

    • The Town of Au Sable requires the Clinton County Health Department sewage-disposal permit in this circumstance.
    “Per the NY State Health Code, please contact the Clinton County Health Department for instructions on obtaining a construction permit to install, replace, or if you are re-engineering a septic system.”
  • Septic permitRequired

    Individual residential or commercial sewage systems below 1,000 gallons per day serving new buildings or structures inside Au Sable town.

    • A Construction Permit must be issued and approval granted by the Director before installation, construction, modification, or operation.
    • Applicants may have to show that public or community sewer is not available and accessible; applications require prescribed forms, required fee, and required engineering information.

    flow threshold: < 1000 gallons per day (Individual Residential or Commercial Sewage System)

    “until a Construction Permit has been issued”
  • Off-grid sanitationLimited

    Onsite sewage disposal inside Au Sable town where no community or public sewage treatment system is available and accessible.

    • Only a Sewage Treatment System approved by the Department may be used.
    • Individual residential or commercial systems below 1,000 gallons per day require a County Construction Permit and Director approval.
    “only a Sewage Treatment System approved by the Department may be used”
  • Mandatory utility hookupSewer (with conditions)

    Facilities from which sewage flows inside Au Sable town.

    • Connection is required only when a Community or Public Sewage Treatment System is available and accessible.
    • When one becomes available and accessible, the Department may direct an individual-system owner to abandon that system within 90 days and connect.

    connection deadline after Department direction: <= 90 days (When a Community or Public Sewage Treatment System becomes available and accessible)

    “All sanitary facilities or any other facility from which sewage flows shall be connected to a Community or Public Sewage Treatment System, if available and accessible.”

Still unanswered

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

  • Owner-builder exemption — Owner-builder construction inside Au Sable town.
  • Building code adopted — Building-code adoption inside Au Sable town.
  • Minimum dwelling size — Dwellings inside Au Sable town.
  • Tiny homes — Tiny-home occupancy inside Au Sable town.
  • Accessory dwellings — Accessory dwellings inside Au Sable town.
6 more unanswered
  • Septic inspection
  • Well permit
  • Agricultural exemption
  • Driveway access
  • Short-term rentals
  • Permit fees

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 Au Sable publishes no rule on the point, not that none exists. Clinton County’s page lists the county offices to call.

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