Building permits, zoning and septic in Borough of West Chester, PA

At a glance

Building permits

Required for covered residential construction; borough administers the building code¹²

Zoning

Borough zoning applies inside West Chester³

Decks and historic windows

Uncovered decks require a building permit regardless of height; window installation or replacement requires a permit in the historic district overlay⁶

Septic permits

Chester County Health Department; required for new systems, repairs or modifications, with limited repair exceptions⁷⁸

Wells

County well permit required; applications must be made by an appropriately licensed contractor⁹

Occupancy

UCC-covered residential buildings need a certificate of occupancy before use¹⁰

Who to call

Contact details are copied from each office’s official page and were checked against it on October 14, 2026.

Do you need a building permit in Borough of West Chester, PA?

West Chester administers and enforces Pennsylvania’s Uniform Construction Code locally, and covered residential construction requires a building permit before work begins.¹² West Chester specifically requires a building permit for an uncovered deck regardless of the deck floor’s height.⁶ Window installation or replacement also requires a permit within the historic district overlay.⁶ Ask the borough Building, Housing and Codes Enforcement office to classify the proposed work before relying on a state exemption, because the borough has amended exemptions locally.¹⁴

Who issues building permits in Borough of West Chester?

The West Chester Building & Housing Department reviews and issues construction permits and zoning approvals, and handles land development reviews.⁴ The borough directs residential and commercial permit applications and payments to its SmartGov online portal.⁴ Start with the borough’s Building, Housing and Codes Enforcement page for the application link and office contact.⁴ Building-code administration is local in West Chester, while on-lot sewage and well construction permits are issued separately by the Chester County Health Department.¹⁵

Does Borough of West Chester have zoning for RVs and tiny homes?

West Chester has its own zoning ordinance, and the borough Building & Housing Department handles zoning approvals.³⁴ We could not confirm West Chester’s rules for living in an RV, temporary camping, tiny homes, manufactured homes or accessory dwellings; ask that department about the proposed use at the exact parcel. We also could not confirm district-specific minimum lot sizes, setbacks, lot coverage, building heights or minimum dwelling sizes. Request the parcel’s zoning district and the applicable standards from the borough before committing to a design.³⁴

How do septic permits work inside Borough of West Chester?

For a West Chester property using on-lot sewage disposal, Chester County requires a septic permit for a new system, repair or modification, with an exception for repairs that can be completed without digging equipment.⁷ Major new septic permits require soil testing.⁷ A completed system cannot be covered before final inspection and written approval from the Chester County Health Department Sewage Enforcement Officer.¹¹ The Health Department assigns Sewage and Water Environmental Health Specialists to municipalities.⁵ We could not confirm West Chester’s sewer-connection requirements; ask the borough about the parcel’s sewer service before planning an on-lot system.

Building a home in Borough of West Chester: what are the steps?

1. Ask the borough Building & Housing Department for zoning approval and the construction-permit requirements for the proposed home.⁴
2. Resolve sewage and water approvals: Chester County handles on-lot sewage and well construction permits, and a new-construction well application requires public sewerage or a valid sewage permit.⁵⁹
3. Apply through the borough’s SmartGov portal and obtain the required building permit before covered residential construction begins.⁴²
4. Keep permitted construction accessible and notify the construction code official when work is ready for inspection.¹²
5. Obtain the certificate of occupancy before using a UCC-covered residential building.¹⁰

What stays with Chester County, and what should West Chester buyers check?

Chester County Health Department retains on-lot sewage and well permitting responsibilities for properties inside West Chester.⁵ West Chester separately regulates subdivision and land development, while county Health Department sewage-planning review covers proposals involving on-lot or public sewage facilities.¹³¹⁴ Pennsylvania has no statewide contractor license requirement for most construction contractors, but municipalities may impose their own requirements; ask the borough about owner-performed work and local contractor requirements.¹⁵ For land outside the borough, consult the Chester County guide and identify the applicable municipality, because local land-use regulation varies across Chester County.¹⁶

Watch-outs

• West Chester requires a building permit for an uncovered deck regardless of height, so do not rely on the state deck exemption.⁶
• Window installation or replacement within West Chester’s historic district overlay requires a permit.⁶
• We could not confirm RV occupancy, tiny-home occupancy or temporary camping rules in West Chester; ask the borough Building, Housing and Codes Enforcement office before buying for those uses.⁴
• A new-construction well application in Chester County requires public sewerage or a valid sewage permit.⁹

Sources

1. Chapter 43 Building Construction, Borough of West Chester (Borough of West Chester), quoted and re-checked
2. Part XIV, Uniform Construction Code, Chapter 403 Administration (Pennsylvania statewide rule), quoted and re-checked
3. Borough of West Chester, PA eCode360 table of contents (Borough of West Chester), quoted and re-checked
4. West Chester Building, Housing and Codes Enforcement (west-chester.com)
5. Chester County Health Department — Sewage & Water (chesco.org)
6. Chapter 43 Building Construction, Borough of West Chester (Borough of West Chester), quoted and re-checked
7. Permits for On-Lot Sewage Disposal Systems, quoted and re-checked
8. Sewage and Water Regulations, quoted and re-checked
9. Chester County Health Department Rules and Regulations, quoted and re-checked
10. Part XIV, Uniform Construction Code, Chapter 403 Administration (Pennsylvania statewide rule), quoted and re-checked
11. Application and Permit Procedure for On Lot Sewage Systems, quoted and re-checked
12. Part XIV, Uniform Construction Code, Chapter 403 Administration (Pennsylvania statewide rule), quoted and re-checked
13. Borough of West Chester, PA eCode360 table of contents (Borough of West Chester), quoted and re-checked
14. Subdivision Planning, quoted and re-checked
15. Contractor Licensing (Pennsylvania statewide rule), quoted and re-checked
16. chescoplanning.org, quoted and re-checked

Written October 14, 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.