Building Permits in Pittsburgh

Pittsburgh's Department of Permits, Licenses, and Inspections (PLI) is the local authority responsible for issuing construction permits, conducting plan reviews, performing field inspections, and enforcing the Pennsylvania Uniform Construction Code throughout the city. Nearly all permit transactions — applications, fee payments, plan review, inspection scheduling, and permit downloads — are handled through OneStopPGH, the city's online permitting portal.

The Pennsylvania Uniform Construction Code

Pittsburgh does not have a standalone building code. Instead, the city enforces the Pennsylvania Uniform Construction Code (PA UCC), which is the mandatory statewide standard adopted under the Pennsylvania Construction Code Act of 1999. The PA UCC is codified at 34 Pa. Code Ch. 401–405 and is administered by the PA Department of Labor & Industry. It is based on the International Building Code (IBC) and companion I-Codes (IRC, IMC, IPC, IECC, IFC), with Pennsylvania-specific amendments.

Every building permit issued by PLI represents PLI's role as the local municipality administering the PA UCC. Plans are reviewed for compliance with the PA UCC rather than a separate local code.

When You Need a Permit

You generally need a building permit from PLI for:

• New construction, additions, and accessory structures (including ADUs)
• Structural alterations, load-bearing wall or beam changes, and foundation work
• Electrical, plumbing, mechanical (HVAC), and gas line changes
• Roofing replacement and window or door openings in exterior walls
• Swimming pools, spas, and retaining walls above height thresholds
• Grading, excavation, and significant earthwork (especially on hillside lots)
• Demolition of any structure
• Change of occupancy or use

Minor cosmetic work — painting, wallpaper, floor coverings, cabinetry without plumbing or electrical changes — is generally exempt. When in doubt, contact PLI before starting work.

OneStopPGH — The Online Portal

OneStopPGH (onestoppgh.com) is Pittsburgh's unified online permit and licensing portal. Through OneStopPGH you can:

• Create an account as a homeowner or licensed contractor
• Start and submit new permit and license applications
• Upload construction documents and supporting materials
• Pay application, plan review, and permit fees
• Track plan review status and respond to reviewer comments
• Schedule required inspections and view results
• Download issued permits (which must be posted at the job site)

PLI also maintains a walk-in service center at 200 Ross Street in downtown Pittsburgh for applicants who prefer or require in-person assistance.

Permit Costs

Pittsburgh permit fees are established by PLI and published in an official fee schedule. In general, expect:

• A building permit fee that scales with project scope and valuation
• Plan review fees for projects requiring submitted drawings
• Separate trade permit fees for electrical, plumbing, and mechanical work
• A grading and paving permit fee for hillside or earthwork projects
• Re-inspection fees if an inspection fails and must be repeated

Because fees are periodically updated, always check the current PLI fee schedule on pittsburghpa.gov/pli before budgeting rather than relying on older estimates.

Hillside and Steep-Slope Considerations

Pittsburgh's dramatic topography — the city has more than 700 sets of public steps and numerous funicular inclines — creates additional permitting requirements for properties on steep slopes. If your project involves:

• Grading or excavation on or near a slope
• Retaining walls of any significant height
• New foundations on steeply sloped lots
• Drainage alterations that could affect adjacent properties

PLI will likely require a Grading and Paving permit in addition to a building permit, and may require submission of geotechnical reports and slope stability analyses from a Pennsylvania-licensed engineer. Contact PLI early to determine the exact requirements for your specific site.

Historic District Review

Pittsburgh has a number of locally designated historic districts and individually listed landmarks. If your property is subject to historic designation, work that is visible from a public street or way requires a Certificate of Appropriateness (COA) from the Pittsburgh Historic Review Commission (HRC) before PLI will issue a building permit.

The HRC reviews proposed work against the Secretary of the Interior's Standards for the Treatment of Historic Properties. Work subject to HRC review includes:

• Exterior alterations and additions
• Demolition (full or partial)
• New construction within a historic district
• Changes to windows, doors, roofing, and siding visible from a public right-of-way

HRC meetings are scheduled in advance; applicants must submit materials by the published deadline for each meeting cycle. Factor HRC review into your project schedule before submitting to PLI.

Typical Process

1. Check zoning and overlays — Verify the zoning district and any overlay requirements (historic, hillside, flood zone) for your parcel on the Pittsburgh zoning map.
2. Determine HRC applicability — If the property is in a historic district or is a designated landmark, initiate HRC review and obtain a COA before or in parallel with PLI permit applications.
3. Prepare construction documents — For projects requiring plan review, prepare drawings. Structural, geotechnical, and other engineering work must be stamped by a Pennsylvania-licensed design professional.
4. Apply through OneStopPGH — Create or log in to your account, start the appropriate application, and upload documents.
5. Plan review — PLI reviews for compliance with the PA UCC. Projects may be routed to multiple disciplines (building, electrical, mechanical, plumbing, fire). Reviewers issue correction comments if items need to be addressed.
6. Corrections and resubmittal — Address all reviewer comments, revise documents, and resubmit through OneStopPGH until plans are approved.
7. Permit issuance — Pay remaining fees; download the issued permit from OneStopPGH and post it at the job site.
8. Inspections — Schedule required inspections through OneStopPGH at each construction phase.
9. Certificate of Occupancy — For new construction, change of use, and many significant alterations, PLI issues a Certificate of Occupancy after the final inspection.

Typical Timelines

Actual times depend on PLI workload, application completeness, and how many disciplines need to review the project.

Inspections

Common inspection milestones for a residential project include:

• Footings and foundation
• Underground plumbing and electrical
• Framing
• Rough mechanical, electrical, and plumbing
• Insulation and energy
• Final building inspection
• Final trade inspections (electrical, plumbing, mechanical)

Schedule inspections through OneStopPGH. Work that is covered before a required inspection may need to be exposed for the inspector to review — coordinate the inspection schedule with your contractor in advance.

Common Reasons Permits Are Delayed or Denied

• Plans not compliant with the PA UCC or applicable I-Code editions
• Missing structural calculations, energy compliance documentation, or Pennsylvania design-professional stamps
• Zoning conflicts (use not permitted, setback, height, or lot coverage violations)
• Geotechnical or grading report not submitted for hillside sites
• Historic Review Commission COA not obtained for designated properties
• Unresolved PLI violations, stop-work orders, or code enforcement actions on the property
• Incomplete application or missing documents in OneStopPGH
• Unlicensed or improperly identified contractor information

Official Sources

See the sources section in the frontmatter for direct links to PLI, the OneStopPGH portal, the Pennsylvania Uniform Construction Code, the Pittsburgh Code of Ordinances, and the Historic Review Commission. Regulations and fees change — always confirm current requirements with PLI before starting your project, and consult a licensed Pennsylvania design professional for project-specific guidance.

Disclaimer: This guide summarizes publicly available information from official City of Pittsburgh and Commonwealth of Pennsylvania sources and is provided for general orientation only. It does not constitute legal or engineering advice. Building code and permitting requirements change — always confirm current rules with the City of Pittsburgh Department of Permits, Licenses, and Inspections before submitting plans or starting construction.