CostInMyCity

Mobile, AL / Deck

Deck cost in Mobile, AL

$30–$60 per sq ft; average job $8,316 (range $4,340–$12,652). A 16×20 (320 sf) table is $12,800–$19,200. Pressure-treated is the low end; second-story / high-end wood / custom is the high end.

Labor for Deck in Mobile, AL is indexed to the BLS construction-and-extraction occupations mean hourly wage for Mobile, AL of $25.09 (May 2025), applied to the 50% labor share.

BLS OEWS construction and extraction occupations mean hourly wage. Not Huntsville and not Birmingham.

City of Mobile Build Mobile / Permitting is the issuing office. The typical permit fee recorded from City of Mobile Building Codes Permit Fee Schedule Ordinance (adopted November 8, 2022, still posted), retrieved 2026-09-01, is $67. Fee model: valuation.

The national typical for this job is $45. Materials stay at the national figure while labor is wage-indexed for Mobile, AL.

Walking surface only. A 16 by 20 deck is 320 sqft.

Typical all-in

$13,032

Job cost plus the recorded local permit fee at this size.

Low
$8,689
Typical
$13,032
High
$17,400

Breakdown

Labor (allocated)$6,480
Materials (allocated)$6,480
Job subtotal$12,960
Permit$72
All-in typical$13,032

Labor is adjusted for construction wages in this metro. Materials stay at the national figure. This is an estimate, not a contractor quote.

Permit fee

Fee model
Based on project value
Typical fee
$72
Range
$49 – $120
Retrieved
2026-09-01
  • Alterations/renovations/repairs $5.50 per $1,000 — $66Included.
  • Permit issuance — $1Included.

Typical assumed $12,000: $66.00 + $1.00 = $67.00. Low $8,000 = $45.00. High $19,200 = $111.00.

City of Mobile. A typical attached deck is alterations/repairs on the $5.50 per $1,000 table plus $1 issuance. Exempt playhouses <=120 sf are not this job.

City of Mobile Building Codes Permit Fee Schedule Ordinance (adopted November 8, 2022, still posted)

Citations

  1. How Much Does It Cost to Build a Deck? [2026 Data] Retrieved Aug 12, 2026. Average $8,316; $4,340–$12,652; $30–$60/sf; labor $15–$35/sf.
  2. City of Mobile Building Codes Permit Fee Schedule Ordinance (adopted November 8, 2022, still posted) Retrieved Aug 31, 2026. City of Mobile. A typical attached deck is alterations/repairs on the $5.50 per $1,000 table plus $1 issuance. Exempt playhouses <=120 sf are not this job.
  3. BLS OEWS construction wages — Mobile, AL BLS OEWS construction-and-extraction mean hourly wage / national same vintage, applied to laborShare only. Not a city-specific bid survey.

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