Bolthole Index

Mercer County, Pennsylvania

Zoning, building permits and septic rules in Borough of Sandy Lake, Pennsylvania

Borough of Sandy Lake is a borough in Mercer County, Pennsylvania. 8 rules below are quoted from official sources and independently re-checked, most recently on November 12, 2026. Rules for unincorporated land are on the Mercer County page.

Answers from the rulebook for Borough of Sandy Lake

Borough of Sandy Lake’s own rules

  • Minimum dwelling sizeSpecified

    Dwellings in the zoning districts covered by Table 301 (R-1 area), inside Sandy Lake borough

    • Table text is jumbled in extraction; district column assignment not fully confirmed; R-2 also appears to list 900 sq. ft.

    minimum floor area of dwellings: >= 900 sq ft

    “maximum lot coverage subject to parking and loading requirements minimum floor area of dwellings 900 sq. ft. 900 sq. ft.”
  • Minimum lot sizeSpecified

    R-2 zoning district, single family detached dwelling, inside Sandy Lake borough

    • Two-family 20,000 sq. ft.; multi-family 6,000 sq. ft. gross per unit.
    • R-1 district values not resolved.

    minimum lot area, single-family detached: 10000 sq ft

    “minimum lot area r-2 zoning district single family detached dwelling 10,000 sq. ft. two-family/duplex dwelling 20,000 sq. ft. multi-family dwelling 6,000 sq. ft. gross lot area per unit.”
  • SetbacksSpecified

    R-2 zoning district single-family dwellings inside Sandy Lake borough

    • Side yard single family 8 ft.; rear 35 ft.; setbacks measured per Table 301 footnotes.

    front yard principal structure: 25 ft (10 ft for accessory structures)

    “single family detached dwelling multi-family dwelling 25 ft. principal structures, 10 ft. for accessory structures”
  • Building heightSpecified

    R-2 zoning district principal structures inside Sandy Lake borough

    • Accessory structures not to exceed 2/3 principal height; exceptions in section 1201.1.

    maximum principal structure height: <= 35 ft (see section 1201.1)

    “maximum structure height3 principal structure 35 ft.”
  • Living in an RVLimited

    RV parks inside Sandy Lake borough; individual-lot RV occupancy not confirmed

    • RV parks only in the commercial district as a conditional use approved by borough council, with additional standards in the Mercer County SALDO.
    • RV park minimum lot size 2 acres.

    RV park minimum lot size: 2 acres

    “recreational vehicle parks (rv park) - permitted in the commercial zoning district and are deemed to be a conditional use wherein the park is subject to the approval of the sandy lake borough council, with additional standards set forth in the mercer county saldo.”
  • Manufactured homesLimited

    Self-contained mobile homes on individual lots inside Sandy Lake borough

    • Lot must meet R-1 minimum lot width/area standards.
    • Floor area 900 sq. ft. or more and must conform to regulations for single-family dwellings.
    • Mobile home parks only in R-1 as a conditional use (5 acre minimum).

    minimum floor area: >= 900 sq ft

    “self-contained mobile homes on individual lots having a floor area of 900 square feet or more, provided:”
  • Subdividing landRegulated (with conditions)

    Land development of listed uses inside Sandy Lake borough

    • Governed by the Mercer County Subdivision & Land Development Ordinance.
    “the following uses are also subject to specific provisions and plan requirements in mercer county subdivision & land development ordinance as amended.”
  • Building in a floodplainRequired

    All development inside Sandy Lake borough

    • Floodplain ordinance #327 as amended; stormwater ordinance #319 (adopted 7/6/2011) also applies.
    “in addition, all development must meet requirements of the [fema] flood plain /management act ordinance #327 as adopted 5/7/2014 as may be amended.”

Still unanswered

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

  • Building permit — Building permits inside Sandy Lake borough
  • Owner-builder exemption — Owner-builder exemption inside Sandy Lake borough
  • Inspections — Building inspections inside Sandy Lake borough
  • Certificate of occupancy — Occupancy certificates inside Sandy Lake borough
  • Lot coverage — Lot coverage inside Sandy Lake borough
14 more unanswered
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • 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 Borough of Sandy Lake publishes no rule on the point, not that none exists. Mercer County’s page lists the county offices to call.

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