Kentucky / Lexington

Deck Permit in Lexington, Kentucky

Permit required

Yes, a permit is required

Before starting construction of any deck or porch attached to a house, townhouse or duplex.

Confirmed on official page Verified

Issued byLexington-Fayette Urban County Government (LFUCG), Division of Building Inspection

By Mario Bailey, verified against official sources

Quick answer

LFUCG treats a deck as an addition to a house, townhouse or duplex and requires a building permit before any construction, with no size or height exemption published. The same applies to covered and uncovered porches. A detached deck is classed as an accessory structure under the separate accessory-structure guide.

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When a permit is usually needed

Before starting construction of any deck or porch attached to a house, townhouse or duplex.

What a deck permit costs in Lexington

Line item
deck permitBy formulaLFUCG Division of Building Inspection Schedule of Fees, EFFECTIVE JULY 1, 2019 (document revised 10/27/21); the schedule states "DOUBLE PERMIT FEES WILL BE IMPOSED FOR WORK STARTED WITHOUT A PERMIT". "Additions, Residential (includes attached garages, decks, dormers, etc)" .10 X Sq. Ft. (Min. $150), plus the $25 Residential Plan Review Fee.
Fee schedule in forceOfficial scheduleRead . Fees are the jurisdiction’s; we do not mark them up or estimate them.

How to apply in Lexington

In Lexington, a residential deck permit application is a set of construction documents that show what will be built and prove it meets the IRC deck provisions. In practice that means a scaled site plan locating the deck and its setbacks, plus deck plans and structural details covering the footings, posts, beams, joists, ledger, guards, and stairs.

What most deck permit applications include:

  • For Lexington, a permit application identifying the work, the deck's size (square footage), and whether electrical work such as lights or receptacles is included, submitted for plan review before construction begins (IRC R106).
  • For Lexington, a scaled site plan (for example 1/4 inch to 1 foot) showing the new deck's location relative to the house, its overall length and width, and dimensioned distances from the deck to all property lines and other structures so required setbacks can be verified (IRC R106.1.1).
  • For Lexington, a deck plan drawn to scale showing overall dimensions and the framing layout: joist size, spacing, span, and species; beam size and span; post size and height; and footing or pier size and depth (IRC R507.4 posts, R507.5 beams, R507.6 joists, R507.3 footings).
  • For Lexington, a section or side elevation with connection details showing the ledger attachment to the house band joist with flashing, the fastener or bolt schedule, joist hangers, post-to-beam and post-to-footing connections, and the required lateral load connection (IRC R507.9 ledger connection, R507.9.2 lateral connection, R507.2.4 flashing).
  • Footing sizing derived from tributary area, the soil bearing value, and design loads per IRC Table R507.3.1, with footings shown bearing on undisturbed soil at the frost depth required by the jurisdiction (IRC R507.3).
  • Details for the guards required where the walking surface is more than 30 inches above grade, and for the stairs and handrails, showing guard height and opening limits, stair riser and tread dimensions, and handrail location (IRC R312 guards, R311.7 stairs and handrails).
  • For designs that fall outside the prescriptive R507 tables (for example multi-story or stacked decks, or a ledger attached to a cantilever), engineered and stamped structural plans are submitted in place of the prescriptive details (IRC R507.1 and R301).

General submittal guidance from IRC R106.1.1 (construction documents) and IRC R507 (exterior decks), 2021 IRC. Source. Lexington-Fayette Urban County Government (LFUCG), Division of Building Inspection sets the exact checklist for Lexington.

Where to apply in Lexington:

Lexington-Fayette Urban County Government (LFUCG), Division of Building Inspection

Deck Permit in Lexington compared with nearby Kentucky localities

LocalityPermit needed?ThresholdWhat each Kentucky schedule saysVerified
LexingtonPermit requiredAny size$150), plus the $25 Residential Plan Review Fee
LouisvilleIt dependsarea of a freestanding deck; an attached deck always needs a permit...(revised 2/6/2024): partial alterations and structures other than buildings are $50...

Inspections and closing out your permit

In Lexington, deck work is inspected in sequence as it is built: the footings before concrete is placed, the framing before the decking boards go down, and a final inspection once the deck is complete. Each stage checks the items that would be hidden or unsafe if missed.

  1. Footing or pier inspection in Lexington: after the holes are dug and any forms or reinforcing are set but before concrete is placed, the inspector checks footing depth and diameter, a flat undisturbed bearing surface, and that the holes are free of water (IRC R109.1.1 foundation inspection; R507.3 footings).
  2. Framing inspection in Lexington: after the deck is framed but before the decking conceals it, the inspector verifies the ledger attachment and its flashing, the fastener and bolt schedule, joist hangers and metal connectors, post-to-beam and post-to-footing connections, and the lateral load connection; call it before decking is installed (IRC R109.1.4 frame inspection; R507.9 ledger and flashing).
  3. Final inspection in Lexington: after the deck is complete and before it is used, the inspector confirms guard height and opening limits (a 4 inch sphere must not pass, 4 3/8 inch at stairs), stair riser and tread dimensions, handrail height and graspability where there are 4 or more risers, stair landings, and required stair lighting (IRC R109.1.6 final inspection; R312 guards, R311.7 stairs and handrails).

Schedule each inspection in advance and pass the final before you use the work or close the permit. Request inspections through the Lexington permit portal or by phone at (859) 258-3770.

Inspection sequence from IRC R109 (inspections: R109.1.1 footing before concrete, R109.1.4 frame, R109.1.6 final), 2021 IRC. Source. An open permit left un-inspected can surface later in a title search or home sale.

Frequently asked questions

Do you need a deck permit in Lexington?
LFUCG treats a deck as an addition to a house, townhouse or duplex and requires a building permit before any construction, with no size or height exemption published. The same applies to covered and uncovered porches. A detached deck is classed as an accessory structure under the separate accessory-structure guide. Always confirm with the Lexington-Fayette Urban County Government (LFUCG), Division of Building Inspection before starting.
How much does a deck permit cost in Lexington?
LFUCG Division of Building Inspection Schedule of Fees, EFFECTIVE JULY 1, 2019 (document revised 10/27/21); the schedule states "DOUBLE PERMIT FEES WILL BE IMPOSED FOR WORK STARTED WITHOUT A PERMIT". "Additions, Residential (includes attached garages, decks, dormers, etc)" .10 X Sq. Ft. (Min. $150), plus the $25 Residential Plan Review Fee. See the official fee schedule for current amounts.
Where do you apply for a deck permit in Lexington?
You can apply through the Lexington permit portal or contact the Lexington-Fayette Urban County Government (LFUCG), Division of Building Inspection directly. The links are listed on this page.
Can a homeowner pull a deck permit themselves in Lexington?
Under Kentucky law (815 KAR 20:050, Section 2(1)(b); KRS 227A.030(3); KRS 227.480(2)(a); KRS 198B.674(3); KRS 198B.060(1)): Kentucky has no state general or residential contractor license, so no state license stands between a homeowner and building their own house; whether a building permit is needed at all for a single-family home depends on local ordinance (KRS 198B.060(1)). The licensed trades each carry a homeowner exemption. A homeowner may get a state plumbing permit for their own home if they apply before starting, file an affidavit, personally do all the work, and have not taken another homeowner permit for a new home in the last five years. The electrical licensing law does not stop a homeowner or farmer from wiring their own property (KRS 227A.030(3)), and an electrical permit may issue to them without proof of a contractor license (KRS 227.480(2)(a)); the HVAC licensing law does not apply to an owner working on property they own and occupy (KRS 198B.674(3)). Confirm how Lexington applies this before you apply.

From the Library

What else needs a permit in Lexington

Every other permit type we have verified for this jurisdiction, with the rule that applies here.

ProjectPermit needed?ThresholdTypical fee
Bathroom Remodel PermitIt dependsBefore structural work, adding a window or door, or moving walls$150), plus the $25 Residential Plan Review Fee
Electrical PermitPermit requiredAny sizeLFUCG electrical page: "Electrical permits cost $10 each." Inspection fees are set...
EV Charger PermitPermit requiredAny sizeLFUCG electrical page: "Electrical permits cost $10 each." Inspection fees are set by...
Fence PermitIt dependsheight of fence or wall above grade"Fences, Residential" $50
HVAC PermitPermit requiredAny size...Residential/New and Replacements, Based on Per System": "1st System" $105.00, "Each...
Plumbing PermitIt dependsBefore new plumbing, moving or relocating a fixture or waste opening, replacing a house...See schedule
Pool PermitPermit requiredAny size"Swimming Pools, Residential" $100
Shed PermitIt dependsfloor area of a detached accessory structure used solely for storage$150), plus "Residential Plan Review Fee (Required at time of plan submittal)" $25
Solar PermitPermit requiredAny sizeNot published
Water Heater PermitPermit requiredAny sizeSee schedule

Deck Permit in other Kentucky localities

Everything above, sourced

Code references

National and state model-code sections the general guidance on this page is drawn from. They are not Lexington documents; the office above sets the local rules.

How this deck permit page for Lexington was verified. 2 official sources: lexingtonky.gov, content.lexingtonky.gov; fee schedule: official document. Last checked by Mario Bailey, not confirmed with Lexington-Fayette Urban County Government (LFUCG), Division of Building Inspection. Rules change; confirm before you build. How we verify.

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Compare Deck Permit requirements across Kentucky localities

Deck permit rules nationwide

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