Yates County, New York
Town of Middlesex is a town in Yates County, New York. Septic permits inside Town of Middlesex come from Town of Middlesex. 11 rules below are quoted from official sources and independently re-checked, most recently on November 8, 2026. Rules for unincorporated land are on the Yates County page.
On-site wastewater treatment systems inside Middlesex town.
“enforcement authority [...] shall reside with the Town of Middlesex.”
Installation, construction, alteration, replacement, enlargement, extension, or other modification of an on-site wastewater treatment system inside Middlesex town.
septic permit fee: 50 USD (Permit issued only with NYSDOH approval.)
“It shall be unlawful to install, construct, alter, replace, enlarge, extend, or otherwise modify any on-site wastewater treatment system unless an on-site wastewater treatment system permit is issued by the authority having jurisdiction, except as specifically exempted in Section 3.3 of this local law.”
On-site treatment of sewage inside Middlesex town.
“This local law shall govern the treatment of sewage by regulating all on-site individual wastewater treatment systems (hereinafter referred to as anon-site wastewater treatment system).”
Subdivision of parcels inside Middlesex town.
minor subdivision base fee: 100 USD (Three lots or less; additional $50 per lot.) · additional lot fee: per 50 USD (Each lot in a minor subdivision.)
“Subdivision of a parcel: Minor (3 lots or less) $100”
Construction or alteration by length, width, or drainage control of a private driveway or private road inside Middlesex town.
stand-alone private driveway fee: 50 USD (Town fee schedule.)
“No private driveway or private road shall be constructed, or altered by length, width, or means of drainage control, without a permit.”
Town building, site-plan, zoning, septic, driveway, and related permits or reviews inside Middlesex town.
minimum building permit fee: >= 30 USD (Fee schedule.) · private driveway fee: 50 USD (Stand-alone driveway project.)
“BUILDING PERMITS / INSPECTIONS: Fee ($30 Minimum)”
Town of Middlesex does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Work inside Middlesex town that is required to conform to New York's Uniform Code.
“Building permits must be required for any work which is required to conform to the Uniform Code. Certain exceptions are permitted.”
Building construction inside Middlesex town, which is outside New York City.
“The Uniform Code is automatically in effect in each city, town, and village in the State (except New York City) by directive of the State Legislature.”
Uniform-Code construction work inside Middlesex town.
“Inspections of certain specified elements of the construction process must be required. Building permits holders must keep work accessible and exposed until inspected and accepted by the municipality.”
Work inside Middlesex town for which a building permit was required, and changes in general occupancy classification.
certificate of occupancy fee: 50 USD (Town fee schedule states overall site inspection required.)
“A certificate of occupancy [...] must be required”
On-site wastewater systems whose absorption area or holding tank is wholly or partly within 200 feet of Canandaigua Lake inside Middlesex town.
inspection interval: per 5 years (Systems within the stated 200-foot lake area.)
“All on-site wastewater treatment systems with an absorption area located wholly or partially within 200 feet of Canandaigua Lake or a holding tank located wholly or partially within 200 feet of Canandaigua Lake shall be required to have an on-site wastewater treatment system inspection completed every five years after the adoption of this law by a Certified Inspector.”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Middlesex or Yates County directly.
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 Middlesex publishes no rule on the point, not that none exists. Yates County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Town of Middlesex means bringing your own water and power. The kit we’d start with:
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