Washington County, Pennsylvania
Borough of Green Hills is a borough in Washington County, Pennsylvania. Borough of Green Hills adopts its own zoning, so inside its limits Borough of Green Hills’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 Washington County page.
Land inside Green Hills borough, Washington County, under the joint South Franklin Township and Green Hills Borough multi-municipal zoning ordinance
“the provisions of this ordinance shall apply to all zoning districts, lots, structures, land developments and subdivisions within the municipal boundaries of south franklin township and green hills borough, washington county, pennsylvania.”
Zoning districts under the joint ordinance covering Green Hills borough and South Franklin Township
“a-1: agricultural district. r-1: rural residential district. r-2: medium density residential district. mu: mixed use district. c-1: local commercial district. i/c: flex-industrial/commercial district. io: industrial overlay district. sd: special development district. airport overlay district. floodplain overlay district.”
R-1 rural residential district under the joint ordinance (applicability to parcels in Green Hills borough not verified)
minimum lot area, detached single family dwelling, R-1: >= 1 acre
“minimum lot area general agriculture 10 acres dwelling, detached single family 1 acre”
R-1 rural residential district under the joint ordinance (applicability to parcels in Green Hills borough not verified)
front yard: >= 50 feet · side yard: >= 15 feet · rear yard: >= 40 feet
“minimum front yard principal and accessory structures 50 feet minimum side yard principal and accessory structures 15 feet minimum rear yard principal and accessory structures 40 feet”
R-1 rural residential district under the joint ordinance (applicability to parcels in Green Hills borough not verified)
maximum lot coverage, R-1: <= 30 percent
“maximum building height principal structures 35 feet (3 1/2 stories) maximum lot coverage 30%”
R-1 rural residential district under the joint ordinance (applicability to parcels in Green Hills borough not verified)
maximum principal structure height, R-1: <= 35 feet (3 1/2 stories)
“maximum building height principal structures 35 feet (3 1/2 stories) maximum lot coverage 30%”
We looked and could not find an official answer yet. Silence is not permission; ask Borough of Green Hills or Washington 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 Green Hills publishes no rule on the point, not that none exists. Washington County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Borough of Green Hills means bringing your own water and power. The kit we’d start with:
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