Intown lots can be tight, and Atlanta's tree protection rules can shape where an addition goes.
What home additions typically costs in Atlanta
| Scope | Typical range (estimate) | What that usually covers |
|---|---|---|
| Basic room (450 sq ft) | $108,000 – $173,000 | bedroom/family room, simple roofline |
| With bath or kitchenette (450 sq ft) | $151,000 – $216,000 | adds plumbing |
| Second story / high-end (450 sq ft) | $216,000 – $324,000 | structural work, premium finishes |
Planning estimates for typical projects, not quotes. Your bids will depend on size, condition, materials and permit requirements.
Trees
The City of Atlanta's tree protection ordinance requires a permit to remove, destroy or injure regulated trees on private property (non-pines 6 in.+ and pines 12 in.+ in diameter). Plan early with an arborist.
Atlanta project cost estimator
Planning estimate
$134,400 – $192,000
Rough planning range only — not a quote. Real bids depend on site conditions, permits, materials and the contractor.
Home Additions: common questions
Can I add an ADU?
Atlanta allows ADUs in certain zoning districts. Check your parcel.
Where we match home additions projects
Atlanta · Decatur · Sandy Springs · Marietta · Roswell · Alpharetta & Johns Creek · Smyrna & Vinings · Lawrenceville & Gwinnett