Local Fair Market Rate™ pricing for Decatur based on 30033 labor rates and material costs. Prices updated April 2026.
Quick Answer: The average cost of retaining wall in Decatur, GA is $7,591 – $9,699 for a standard-grade project. Economy starts at $5,363; premium can reach $13,232.
Source: ClearCost Fair Market Rate data for 30033 — updated April 2026
Economy
$5,363 – $6,853
Materials: $3,727
Labor: $2,232 (36 hrs)
Standard
$7,591 – $9,699
Materials: $5,086
Labor: $3,348 (54 hrs)
Most common choice
Premium
$10,355 – $13,232
Materials: $7,414
Labor: $4,092 (66 hrs)
Local labor rates in Decatur (30033) average $62/hr for retaining wall work. This rate reflects the DeKalb County market and includes typical contractor overhead and profit margins. Labor accounts for 40% of the total project cost in this area.
Decatur (30033)
$7,591 – $9,699
National Average
$3,000 – $15,000
Prices in Decatur reflect local labor availability, material supplier pricing, and regional demand. For a full national breakdown, see our Retaining Wall cost guide.
Most jurisdictions require a permit for retaining walls over 4 feet tall (measured from the bottom of the footing to the top of the wall). Some areas set the threshold at 3 feet. Walls that support structures, hold back a slope above a building, or affect drainage patterns may require permits regardless of height. Always check with your local building department.
A properly built concrete block retaining wall with adequate drainage lasts 50–100 years. Natural stone walls can last even longer. Timber retaining walls have a shorter lifespan of 15–25 years before the wood deteriorates. The most common cause of premature failure is inadequate drainage, which allows water pressure to build behind the wall.
Short retaining walls under 3 feet are a manageable DIY project using interlocking concrete blocks, which require no mortar. However, walls over 3 feet involve significant excavation, engineering considerations, and proper drainage installation that are best handled by professionals. An improperly built retaining wall can fail catastrophically, causing property damage and safety hazards.
The most common causes of retaining wall failure are inadequate drainage (allowing water pressure to build behind the wall), insufficient footing depth, lack of geogrid reinforcement in taller walls, and poor compaction of the base material. Frost heave in cold climates can also damage walls that are not built on footings below the frost line.
Get a personalized estimate for Decatur
Our Fair Market Rate™ calculator uses 30033 labor rates and material costs to give you a detailed, project-specific price.