CostInMyCity

Baltimore, MD / Deck

Deck cost in Baltimore, MD

$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 Baltimore, MD is indexed to the BLS construction-and-extraction occupations mean hourly wage for Baltimore-Columbia-Towson, MD of $30.48 (May 2025), applied to the 50% labor share.

Baltimore City Department of Housing and Community Development (DHCD) — Permits and Building Inspections is the issuing office. The typical permit fee recorded from Baltimore City Building, Fire, and Related Codes §109 (DHCD), current through 2026-09-01, retrieved 2026-09-01, is $184. Fee model: flat.

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

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

Typical all-in

$14,368

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

Low
$9,640
Typical
$14,368
High
$19,096

Breakdown

Labor (allocated)$7,092
Materials (allocated)$7,092
Job subtotal$14,184
Permit$184
All-in typical$14,368

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
Flat fee
Typical fee
$184
Range
$184
Retrieved
2026-09-01
  • §109.6.1(b) accessory structure >100 sf — $50Included.
  • §109.5.7 application with plans — $125Included.
  • §109.7 5% tax — $9Included.

$50 + $125 application + 5% tax = $184.0. 200/320/400 sf all stay on the >100 sf $50 row.

16×20 = 320 sf accessory over 100 sf is the $50 line, not the cubic-foot new-building table. Ground-level unattached decks may be exempt; typical dataset deck is treated as permitted.

Baltimore City Building, Fire, and Related Codes §109 (DHCD), current through 2026-09-01

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. Baltimore City Building, Fire, and Related Codes §109 (DHCD), current through 2026-09-01 Retrieved Aug 31, 2026. 16×20 = 320 sf accessory over 100 sf is the $50 line, not the cubic-foot new-building table. Ground-level unattached decks may be exempt; typical dataset deck is treated as permitted.
  3. BLS OEWS construction wages — Baltimore-Columbia-Towson, MD 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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