Zoning, building permits and septic rules in Gilpin Township, Pennsylvania
Gilpin Township is a township in Armstrong County, Pennsylvania. Gilpin Township adopts its own zoning, so inside its limits Gilpin Township’s rules apply, not the county’s. Septic permits inside Gilpin Township come from Gilpin Township. 9 rules below are quoted from official sources and independently re-checked, most recently on October 31, 2026. Rules for unincorporated land are on the Armstrong County page.
Answers from the rulebook for Gilpin Township
Gilpin Township’s own rules
Building code adoptedAdopted
Building code enforcement for construction inside Gilpin township
Township ratified entry into an Armstrong County UCC group agreement and a UCC program participation agreement (2024 ordinance and agreements list).
The edition of the Pennsylvania Uniform Construction Code the township enforces was not verified.
Gilpin also partially adopted the International Property Maintenance Code (2021 ordinance list); that is not the building code.
“ordinance: 1. amending pension and sarpd charter 2. flood plain ordinance 3. ratifying entry into armstrong county ucc group agreements: 1. armstrong demolition grant 2. ucc program participation agreement”
Local zoningPresent
Land inside Gilpin township limits; the township administers its own zoning ordinance
Ordinance is titled Gilpin Township Zoning Ordinance of 2023 and is dated enacted November 21, 2023.
Zoning permits and conditional-use approvals are administered by the township zoning officer, planning commission and board of supervisors under the ordinance.
“gilpin township is hereby divided into seven (7) classes of zoning districts as shown on the official zoning map.”
Zoning districtsPartial
Zoning districts inside Gilpin township limits
Seven district classes are named in the ordinance: Rec-1, Rec-2, Agricultural (AG), Residential R-1, Residential R-2, Business (BUS) and Industrial (I).
The district boundaries are shown on the official zoning map, which was not opened, so boundaries are not verified.
“gilpin township is hereby divided into seven (7) classes of zoning districts as shown on the official zoning map.”
Minimum lot sizeSpecified
New lots and buildings in the Agricultural (AG) district inside Gilpin township
District described as underlain by prime agricultural soil, used extensively for agriculture, mostly large and remote from Route 66 (§ 108.3).
Same table-alignment caveat as the R-1 claim.
minimum lot area: >= 1 acre (Read from column 3 of the § 204.1 table) · minimum lot width at building line: >= 175 ft (Read from column 3 of the § 204.1 table)
“rec-1 rec-2 ag r-1 r-2 bus i 0.25 acres (10,892sqft) 0.25 acres (10,892qft) 1 acre (43,570sqft) 15,000 sqft 0.5 acre (21,785sqft) 15,000 sqft 0.5 acre (21,785sqft)”
One more reviewed finding on this topic
Specified — New lots and buildings in the R-1 Residential district (single-family homes) inside Gilpin township
“rec-1 rec-2 ag r-1 r-2 bus i 0.25 acres (10,892sqft) 0.25 acres (10,892qft) 1 acre (43,570sqft) 15,000 sqft 0.5 acre (21,785sqft) 15,000 sqft 0.5 acre (21,785sqft)”
Manufactured homesLimited
Mobile or manufactured homes placed on an individual lot inside Gilpin township; mobile home parks are a separate use
A mobile home on its own lot must meet all single-family home requirements of the ordinance (§ 404.23(a)).
Must be supported on at least two masonry piers extending three feet below grade and skirted, placed on foundation and skirted within 30 days of arrival (§ 404.23(b)-(c)).
Mobile home parks require a minimum 5-acre site, density up to six homes per acre, and public sewers (§ 404.22).
“§ 404.23. mobile home on its own lot. a. such mobile homes shall meet all the requirements of this ordinance for single family homes.”
Who permits septicLocal (with conditions)
On-lot sewage disposal for buildings inside Gilpin township
The township building permit form requires a certificate from the township sewage enforcement officer for on-lot systems.
The township ordinances page lists an SEO agreement (2023 agreements list). Whether the SEO is township staff or contracted through another body was not verified.
“if the building is to be served by an on-lot septic system, a certificate from the township sewage enforcement officer shall be presented approving the property for on-lot disposal, considering the number of dwelling or other units to be constructed, and indicating the type of sewage disposal system approved.”
Septic permitRequired
New buildings served by an on-lot septic system inside Gilpin township
Requires a township SEO certificate approving the property for on-lot disposal, before the building permit is issued.
The SEO certificate states the type of sewage system approved; the sewage system permit process itself was not opened.
“if the building is to be served by an on-lot septic system, a certificate from the township sewage enforcement officer shall be presented approving the property for on-lot disposal, considering the number of dwelling or other units to be constructed, and indicating the type of sewage disposal system approved.”
Permit processPartial
Building permit application process inside Gilpin township
Application goes to the township zoning officer with payment and attachments; the form lists a site plan with setbacks, public utilities and height, and septic certificate where applicable.
Commercial, industrial, multi-family or public-use buildings also need a Pennsylvania Department of Labor and Industry approval and, when necessary, board of supervisors approval under §§ 302-303.
“please complete this application and its required attachments and return to the gilpin township zoning officer with payment.”
Still unanswered
We looked and could not find an official answer yet. Silence is not permission; ask Gilpin Township or Armstrong County directly.
Owner-builder exemption — Owner-builder construction of a home inside Gilpin township
Inspections — Inspections of new construction inside Gilpin township
Certificate of occupancy — Occupancy certificates for new homes inside Gilpin township
Minimum dwelling size — Minimum floor area of a dwelling inside Gilpin township
Setbacks — Front, side and rear yard setbacks for R-1 and AG districts inside Gilpin township
15 more unanswered
Lot coverage
Building height
Living in an RV
Camping on your land
Tiny homes
Accessory dwellings
Septic inspection
Off-grid sanitation
Well permit
Agricultural exemption
Subdividing land
Driveway access
Building in a floodplain
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 Gilpin Township publishes no rule on the point, not that none exists. Armstrong County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Gilpin Township means bringing your own water and power. The kit we’d start with: