Permit Office (AHJ)
City of Philadelphia Department of Licenses and Inspections (L&I)
Philadelphia, PA · Licensed Professional Engineering
Energy compliance handled as engineering, not paperwork — documentation matched to the exact code edition your permitting jurisdiction enforces.
Philadelphia’s Energy Conservation Code is based on the 2018 IECC with local amendments, so the compliance package must be Philadelphia-specific. In climate zone 4A, insulation continuity, air leakage control, glazing selection, efficient heating, and humidity-aware cooling all matter; in masonry retrofits, interior insulation requires condensation and durability analysis rather than a nominal R-value alone. We align envelope, lighting, HVAC, and controls documentation with L&I’s submission process and the project’s existing-building strategy.
Code adoptions and local amendments change on multi-year cycles. The state source verification date is 2026-07-28; we verify the governing editions with City of Philadelphia Department of Licenses and Inspections (L&I) at project kickoff.
L&I receives commercial permit applications, plans, and reviews through the eCLIPSE portal. Straightforward scopes may qualify for an EZ Permit, while work requiring zoning, building, fire, historic, streets, or utility review follows the relevant additional path; a licensed design professional submits sealed construction documents where the code requires them.
Philadelphia administers its own Title 4 code amendments within Pennsylvania’s Uniform Construction Code framework. The city has a separate Existing Buildings Code, and its energy and green-building requirements should be checked with the currently adopted Philadelphia code set rather than assumed from a neighboring Pennsylvania municipality.
PECO new-service, load, and distributed-generation interconnection requirements should be started early for electrification or capacity upgrades. Philadelphia Water Department operates the city water, sewer, and stormwater systems; PWD stormwater requirements and Green City, Clean Waters practices are central to development and redevelopment sites.
Philadelphia’s market mixes university and health-system expansion, multifamily and mixed-use infill, logistics and industrial redevelopment, and renovation of rowhouse, warehouse, and former manufacturing buildings. Adaptive reuse and building decarbonization are recurring needs, while the city’s combined-sewer and stormwater program makes site engineering important even on compact urban parcels.
Reviewed 2026-09-11. Code editions and local requirements can change; confirm the current requirements with the authority having jurisdiction before design.
With a team of licensed PEs and a multi-discipline engineering team, we're ready to take on projects of any size — and we turn quotes around fast. Send us your scope and get a clear proposal: deliverables, timeline, and fee.
Request a Proposal