Juniata County, Pennsylvania has no countywide zoning or building-permit office: Pennsylvania's Uniform Construction Code requires a building permit for residential construction, but townships and boroughs administer it, not the county1. Zoning is even more uneven: the county's own table shows zoning ordinances adopted in Delaware, Fayette, Fermanagh, Greenwood, Mifflintown, Port Royal, Thompsontown and Walker, but none in Beale, Lack, Milford, Monroe, Mifflin, Spruce Hill, Susquehanna, Turbett and Tuscarora2. Septic runs through a local Sewage Enforcement Officer under the state's Act 537 program, not the county directly34.
At a glance
- Building permit
- Required statewide under PA's UCC, but issued and enforced by your township or borough, not the county1
- Zoning
- No countywide zoning; adopted in some townships and boroughs and absent in others, per the county's own table52
- Septic permits
- Local Sewage Enforcement Officer (SEO) under PA DEP's Act 537; the specific municipal or joint agency varies by parcel34
- Owner-builder
- No county-level exemption found; UCC exemptions are set at the state level and administered by your municipality6
- Subdivision review
- County Planning Commission reviews plans; most municipalities also have their own ordinance, except Mifflin Borough7
- 10-acre septic exemption
- An owner or immediate-family on-lot system on 10+ contiguous acres owned since before Jan. 10, 1987 can skip a permit if siting rules are met8
- Short-term rentals
- Hotel/room-rental establishments must register with the county Treasurer within 30 days and pay a 5% hotel tax9
- Septic soil difficulty
- Only 11.1% of county soils are free of severe limits for a conventional drain field10
Who to call
Planning & zoning
Juniata County Planning & Community Development
Subdivision and Land Development Plan review by the county Planning Commission; does not administer UCC building permits or zoning, which are set by each municipality
Juniata County Courthouse, Bridge and Main Streets, Mifflintown, PA 17059 (mailing: P.O. Box 68, Mifflintown, PA 17059)
Also useful
Juniata County Treasurer's Office
Registration of hotel/room-rental (short-term rental) establishments and collection of the county hotel tax
Bousum Building, 26 North Main St., Mifflintown, PA 17059 (mailing: P.O. Box 68, Mifflintown, PA 17059)
Contact details are copied from each office’s official page and were checked against it on September 23, 2026.
Do you need a building permit in Juniata County, Pennsylvania?
Yes, but not from the county. Pennsylvania's Uniform Construction Code requires a permit for most residential construction statewide, and every permitted building also needs inspections at key stages and a certificate of occupancy before anyone moves in11112. Juniata County itself doesn't run a building department: the UCC is enforced by each township or borough, sometimes through its own code official and sometimes through a third-party agency it hires1. That means the office you call depends entirely on which of Juniata County's municipalities your land sits in; there's no single county office to check with. One narrow exception exists in state law: a structure that qualifies as an agricultural building is excluded from the UCC entirely13.
Who handles zoning, subdivision review and short-term rentals in Juniata County?
Juniata County's own table of municipal ordinances shows zoning adopted in Delaware, Fayette, Fermanagh, Greenwood, Mifflintown Borough, Port Royal, Thompsontown and Walker, and no zoning ordinance in Beale, Lack, Milford, Monroe, Mifflin, Spruce Hill, Susquehanna, Turbett and Tuscarora2. Subdivision and land-development review is different: the county's Planning & Community Development office reviews subdivision plans submitted with a completed application and fee, even though most municipalities also maintain their own subdivision ordinance147. If you're renting out a room or running a short-term rental that qualifies as a hotel/room-rental establishment, you must register with the county Treasurer's Office within 30 days of starting business, and the county collects a 5% hotel tax on it159.
Does Juniata County have zoning?
No countywide zoning ordinance exists; Juniata County leaves zoning entirely to its individual municipalities5. Whether your land is zoned depends on which municipality you're in: the county's own table lists zoning ordinances present in Delaware, Fayette, Fermanagh, Greenwood, Mifflintown Borough, Port Royal, Thompsontown and Walker Township, and absent in Beale, Lack, Milford, Monroe, Mifflin Borough, Spruce Hill, Susquehanna, Turbett and Tuscarora16. That's a real difference from a county with no zoning anywhere: buying land in a township with no zoning ordinance tells you nothing about the township next door, and specific district rules, setbacks and use conditions have to come from that municipality directly, not the county2. Pennsylvania law lets each municipality decide for itself whether to adopt zoning; the county has no authority to impose it on them17. Subdivision review adds another layer regardless of zoning status: most municipalities have their own subdivision and land-development ordinance, except Mifflin Borough, and the county Planning Commission also reviews subdivision plans7.
How do septic permits work in Juniata County?
On-lot sewage permitting in Juniata County is handled by local agencies, meaning individual municipalities or groups of municipalities working together under a Sewage Enforcement Officer, with technical oversight from PA DEP under the state's Act 537 program4. Which specific municipal or joint agency serves your parcel isn't published in one place, so confirm it with your municipality before you apply4. Once installed, a system can't be covered from view until the issuing agency approves covering it, though if 72 hours pass after you notify them of completion without a refusal, you may cover it yourself18. Site suitability, soil-probe and soil-percolation testing must be completed within 20 working days of the local agency receiving your application, as long as you've complied with the state's one-call notification requirement18. There's a narrow exemption for larger tracts: an individual on-lot system for a residential structure occupied by the owner or immediate family, on a contiguous tract of 10 or more acres owned since before January 10, 1987, can skip the permit if it meets siting rules, including at least 200 feet from property lines, wells and other listed features and 10 feet from utility rights-of-way, though the local agency can still charge up to $25 to verify siting8. Soils make this a real consideration either way: only 11.1% of Juniata County's land is free of severe limitations for a conventional drain field10.
Can you live in an RV or tiny home on your land in Juniata County?
This depends entirely on your municipality's zoning, since Juniata County has no countywide answer5. In one of the nine municipalities with no zoning ordinance, Beale, Lack, Milford, Monroe, Mifflin, Spruce Hill, Susquehanna, Turbett or Tuscarora, there's no zoning district to restrict RV, tiny-home or manufactured-home occupancy, though the municipality could still have some other ordinance on the books2. In one of the eight municipalities with an adopted zoning ordinance, occupancy rules depend on that municipality's specific zoning districts and uses, which aren't published at the county level and have to be checked directly with that township or borough16. Whatever you build still needs a UCC building permit from your municipality (or its third-party code official) and, if you're off public sewer, an on-lot sewage permit from your local Sewage Enforcement Officer14.
Building a home in Juniata County: the steps, in order
First, identify your municipality and check the county's own table of which townships and boroughs have adopted zoning and subdivision ordinances, since that determines who you'll deal with and under what rules2. If you're subdividing or developing land, submit a completed Subdivision and Land Development Application and fee to the Juniata County Planning Office ahead of a posted Planning Commission meeting1419. Apply for your UCC building permit through your municipality or its designated code official before construction begins, and expect foundation, plumbing, mechanical, electrical, frame and final inspections along the way111. If you'll need a septic system, contact your local Sewage Enforcement Officer early, since soil-probe and percolation testing has a 20-working-day review window once your application is filed18. If your driveway connects to a state highway, apply for a PennDOT Highway Occupancy Permit, which PennDOT aims to review within 30 days and has up to 60 days to decide20. Once construction passes final inspection, your municipality's code official must issue a certificate of occupancy within five business days before you can legally use or occupy the home12.
What to check before you buy land in Juniata County
Confirm which municipality the parcel sits in and pull up the county's own table before you assume anything about zoning or building permits, since both vary block by block across Juniata County's townships and boroughs2. Soils deserve early attention too: only 11.1% of the county is free of severe septic limitations, though drought is essentially a non-issue here at 0% of years in severe drought1021. Terrain is more work than open counties: just under half the county, 49.8%, sits at 15% slope or less, and 64.1% is wooded, so clearing and grading costs are worth budgeting into a build2223. If you plan to rent the property short-term, factor in the county's registration requirement and 5% hotel tax before you count on rental income9. Typical property tax runs about 1.1% effectively, with a median bill near $2,167 a year, on a typical home value around $242,094242526.
Watch-outs
- Zoning and building-permit authority in Juniata County vary literally by township and borough: the county's own table shows zoning in eight municipalities and none in nine others, so a rule that's true next door isn't automatically true on your parcel2.
- No official source confirms a county- or state-level owner-builder exemption from Pennsylvania's UCC permit and inspection requirements, so confirm directly with your municipality's code official before assuming one applies6.
Sources
- PHRC Guide to Residential Provisions of PA UCC (2026 county census)
- Municipal Ordinances, quoted and re-checked
- PA DEP Onlot Disposal System (Act 537) (2026 county census)
- On-lot Disposal System (OLDS), quoted and re-checked
- Juniata County - Municipal Ordinances (2026 county census)
- (2026 county census)
- Plan Reviews, quoted and re-checked
- Pennsylvania Sewage Facilities Act, quoted and re-checked
- Treasurer, quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- PART XIV, quoted and re-checked
- PART XIV, quoted and re-checked
- Pennsylvania Construction Code Act, Act 45, § 7210.104, quoted and re-checked
- Juniata County Planning & Community Development (juniatacountypa.gov)
- Juniata County Treasurer's Office (juniatacountypa.gov)
- Municipal Ordinances, quoted and re-checked
- Pennsylvania Municipalities Planning Code (Pennsylvania statewide rule), quoted and re-checked
- Pennsylvania Sewage Facilities Act, quoted and re-checked
- Plan Reviews, quoted and re-checked
- Apply for a PennDOT Highway Occupancy Permit, quoted and re-checked
- Share of years in severe drought: Bolthole Index county data
- Share of land at 15% slope or less: Bolthole Index county data
- Wooded share of land: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- Typical home value (Zillow): Bolthole Index county data
Written September 23, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.