County building permit guide
Shelby County, Alabama building permits — complete guide (2026)
Shelby County is one of the fastest-growing suburban counties in Alabama, anchored by Hoover, Alabaster, and Helena. The county Building Department enforces the IBC/IRC for unincorporated areas; individual cities maintain their own permit offices.
Avg cost: $125–$375
Processing: 1–4 weeks
~4.5K permits/yr
Fastest-growing suburb
$125–$375Avg permit cost
1–4 weeksProcessing time
~4,500Permits/year
LimitedADU-friendly
Ready to apply for your Shelby County, Alabama permit?
County handles unincorporated Shelby County only. Cities (Hoover, Alabaster, Helena, Pelham) each operate their own permit departments.
Apply via Shelby County Building Services ↗
Shelby County, Alabama Building Department
Limited
Shelby County Building Department
(205) 669-3706
Mon–Fri 8:00am–4:30pm CT
200 West College St, Columbiana, AL 35051
In-person / phone
Shelby County is a high-growth suburban market south of Birmingham. If your address is within Hoover, Alabaster, Helena, or Pelham city limits, you apply to that city — not Shelby County. Verify your jurisdiction first.
Permit fees — Shelby County, Alabama, 2026
| Permit type | Fee range | Processing | Notes |
|---|---|---|---|
| New Construction | $400–$1,200 | 2–5 weeks | High suburban demand; structural plans required |
| Room Addition | $200–$600 | 2–4 weeks | Plans required for structural additions |
| Roofing | $100–$250 | 1–3 days | High volume in summer storm season |
| Pool | $150–$400 | 2–4 weeks | Barrier fence required; HOA approval common in this area |
| Deck / Patio | $100–$300 | 1–3 weeks | Structural plans for attached decks |
| Electrical | $75–$175 | 1–3 days | Licensed electrician required |
| Plumbing | $60–$150 | 1–3 days | Licensed plumber required |
| HVAC | $75–$175 | 1–3 days | AC replacement — high volume |
| Fence | $50–$125 | 1–5 days | HOA restrictions common in subdivisions |
| Solar | $75–$175 | 1–5 days | Growing adoption in suburban market |
How to get a permit in Shelby County, Alabama
1
Confirm your jurisdiction
Hoover, Alabaster, Helena, and Pelham are within city limits — apply to those cities. Unincorporated areas fall under Shelby County Building Services.
2
Gather your documents
Trade permits need minimal paperwork. Structural work requires site plans and architectural drawings.
3
Apply at the county office
Online permitting is limited for the county. Most applications are in-person or by phone. Call ahead for complex projects.
4
Pay fees and await approval
Fees based on project valuation. Trade permits typically same-day or next-day; structural permits 2–4 weeks.
5
Schedule inspections
Required phase inspections for structural work. Final inspection required before project closeout.
Jurisdictions within Shelby County, Alabama
Special zone requirements
Cahaba River Corridor
Western Shelby County
The Cahaba River has protected riparian buffer zones. Construction near the river requires setback compliance and may trigger additional environmental review.
Subdivision HOAs
Most of eastern Shelby County
Virtually all newer subdivisions have HOA architectural review requirements in addition to county/city permits. HOA approval does not replace the building permit.
Frequently asked questions — Shelby County, Alabama
What cities in Shelby County have their own permit offices?
Hoover, Alabaster, Helena, Pelham, Calera, and Montevallo all operate their own building departments. Apply to your specific city, not Shelby County, if your address falls within those limits.
Does Shelby County have online permitting?
Online permitting is limited for the county itself. The City of Hoover and Alabaster have more robust online portals. Call the county for status on online options.
Is HOA approval required for permitted work?
HOA approval and building permits are separate requirements. You need both. HOA approval does not substitute for a building permit, and vice versa.
How long do structural permits take in Shelby County?
Typically 2–4 weeks for plan review. During peak season (spring), allow extra time. Trade permits are often approved same-day or next-day.
US Census Bureau BPS 2024 · Shelby County Building Department