Permit guides
Search the published guide library. Check the conditions, confirm the jurisdiction, then follow the official application path.
Louisville allows one attached or detached ADU on an eligible single-family lot subject to planning approval, owner occupancy, design standards and a building permit.
Louisville requires a permit for an attached deck and for a freestanding deck over 200 square feet, more than 30 inches above grade or connected near the required exit door.
Louisville Metro requires an electrical permit for installing or changing a panel, service, feeder or regulated electrical system.
Louisville Metro exempts fences up to seven feet from a building permit; taller fences require a permit and all fences remain subject to zoning and property rules.
Louisville Metro requires an HVAC permit for replacement of regulated installed equipment and offers an instant no-review residential replacement record when no building work is involved.
Louisville requires a Residential Alteration permit for regulated remodeling; painting, papering, tiling, carpeting, cabinets, countertops and similar finish work can be exempt.
Ordinary reroofing generally does not require a Louisville Metro building permit, but replacing roof deck, rafters or other structural elements does.
A Louisville roof-mounted residential PV system requires electrical and simplified building permits; a ground-mounted system requires an electrical permit.
Kentucky requires a plumbing permit for a new or replacement water heater, including work in Louisville Metro.
Louisville requires a building permit for regulated alteration and repair; changed openings, structure or egress require review, while exact same-opening replacement should be confirmed with Construction Review.