Marietta, GA · Cobb County
Dock Construction in Marietta, GA: Cost & Permits
What dock construction actually costs in Marietta, whether you need a permit, which inspections apply, and how long the job takes.
Model reviewed August 2026
Typical local cost
$24,900
$8,600 – $81,300
per sq ft of dock
$50 – $150
Permit fee
$315 – $1,800
Modeled allowance
vs national
-4%
local labor & materials
Looking for pricing detail? The full dock construction cost breakdown for Marietta covers cost by size and material, the local cost model and nearby markets.
Do you need a permit for dock construction in Marietta, GA?
Yes
Yes — a permit is required for dock construction in Marietta, GA. The work must be inspected before it can be closed out, and a licensed contractor generally has to pull the permit.
Cost breakdown in Marietta
| Low endSimple scope, competitive bid | $8,600 |
|---|---|
| TypicalMost homeowners land here | $24,900 |
| High endComplex access, premium materials | $81,300 |
| per sq ft of dock | $50 – $150 |
| Permit fee | Estimated allowance $315–$1,800Modeled from comparable fee schedules — not an official quoted fee. |
| Permit authority | City of Marietta building departmentModeled estimate |
| Timeline | 2-5 weeks of work, 4-12 months including environmental review |
Math: national median $26,000 × 0.958 = $24,900 in Marietta — -4% versus the national model. The multiplier blends local labor and material costs with this project's labor share, so it is not the same as the city's overall cost index (0.94). Permit fees use a 0.90 local multiplier. Estimates, not quotes.
What drives your price here
- Dock square footage and walkway length
- Water depth and piling count
- Boat lift capacity
- Decking material: pressure-treated, composite or Ipe
- Seagrass surveys and mitigation requirements
Permit process and inspections
| Permit required | Yes |
|---|---|
| Who pulls it | Licensed contractor |
| Inspections | Piling inspection, Framing inspection, Electrical inspection for dock power, Final inspection |
| Documents | Building permit application, Sealed engineered drawings, Environmental resource permit, Army Corps of Engineers authorization, Submerged lands consent of use |
| Apply | Marietta building department (no verified online portal on file) |
Frequently asked questions
Do I need a permit for dock construction in Marietta, Georgia?
In most jurisdictions this work is permitted and inspected. Requirements are set locally, so confirm the current application and inspection checklist with your building department before work starts.
How long does dock construction take?
2-5 weeks of work, 4-12 months including environmental review. Permit review and inspection scheduling are usually the largest source of variation.
What changes the price the most?
The largest cost drivers are dock square footage and walkway length; water depth and piling count; boat lift capacity.
Dock costs in nearby cities
Sources
Sources & verification
Model vintage August 2026. The links above are the issuing agencies' own pages — we publish them so you can confirm the current rule yourself, not as evidence that each fact on this page was re-checked with them today. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing, not quotes. Permit rules change; confirm with the building department before starting work.