Mercer County, Pennsylvania
Borough of Jamestown is a borough in Mercer County, Pennsylvania. Borough of Jamestown adopts its own zoning, so inside its limits Borough of Jamestown’s rules apply, not the county’s. 6 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.
Land inside Jamestown borough, Mercer County, PA
“jamestown borough zoning ordinance adopted june 8th, 2004 prepared by the jamestown borough planning commission & the mercer county regional planning commission”
Zoning districts inside Jamestown borough
“401.1: rural residential (r-1) 19 401.2: village residential (r-2) 19 401.3: village business (b-1) 19 401.4: general business (b-2) 19”
Single-family dwellings in all districts inside Jamestown borough
minimum floor area, single-family: >= 750 sq ft
“dwelling units located in single-family residential dwellings shall have a minimum floor area of seven hundred fifty (750) square feet.”
Recreational vehicles on residential parcels inside Jamestown borough
maximum occupancy period: <= 7 days
“1. the temporary parking or occupancy period shall not exceed seven (7) days; 2. such vehicles and/or trailers shall have adequate off-street areas to be parked behind the nearest portion of the principal building to a street.”
Accessory dwelling units on single-family parcels in all districts inside Jamestown borough
“in all zoning districts, an accessory dwelling unit may be created in an existing single- family dwelling or an existing lawful accessory structure to a single- family dwelling, provided: a. only one (1) accessory dwelling may be created per single-family dwelling parcel.”
Land development and subdivision inside Jamestown borough
“1100.5: subdivision of parcel the subdivision of parcel(s) shall be permissible only in accordance with the standards of this zoning ordinance and the mercer county subdivision and land development ordinance, as amended.”
We looked and could not find an official answer yet. Silence is not permission; ask Borough of Jamestown or Mercer 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 Borough of Jamestown publishes no rule on the point, not that none exists. Mercer County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Borough of Jamestown means bringing your own water and power. The kit we’d start with:
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