Basement finishing permits in Atlanta: which office, what plans, what fees

Your basement finishing permit comes from the government that controls your address. Inside Atlanta city limits, that's the City of Atlanta Office of Buildings, Residential Permits Division.¹ If your address sits inside another incorporated city, such as Marietta or Alpharetta, start with that city. If it's in an unincorporated area, start with the county. The City of Atlanta's fee table prices building, mechanical, electrical and plumbing permits separately, so a finish that adds wiring, plumbing or ductwork can need more than one permit.²

Confirm the right office first, so the plans go to the office that will review them.

TL;DR

• Check your address before anyone draws plans. City limits decide whether the City of Atlanta, your own suburb or the county issues the permit.
• In the City of Atlanta, basement buildout and finish is a listed residential permit type. You apply online through Accela Citizen with architectural, structural and site plans.¹
• City of Atlanta building permits cost $7 per $1,000 of construction cost, with a $150 minimum and a $25 technology fee on each permit.² Trade permits are extra.
• Under the 2021 International Residential Code, finishing an existing basement doesn't by itself require an egress window. Every new bedroom does.³
• Outside the city, get the county's or city's current fee schedule, or have your contractor list the actual permit fees on the quote.

Which office issues your basement permit?

It depends on which city line your address sits inside. Inside Atlanta city limits, the Office of Buildings, Residential Permits Division takes residential permits, including basement buildout and finish.¹ If you live inside another incorporated city, such as Marietta, Johns Creek or Alpharetta, start with that city. If your address is unincorporated, start with the county.

A mailing address that says "Atlanta" doesn't settle it. The city's ATL311 residential permits page attaches a document titled "Atlanta Surrounding Government Jurisdictions."¹ For a City of Atlanta address, the city's GIS property info search shows your zoning district and any overlays.² Outside the city, ask the city or county planning office to confirm which one has jurisdiction.

The City of Atlanta row comes from the city's own pages.¹² County and suburban fees aren't listed here because none could be checked against an official schedule. Ask the office for its current schedule before you budget, or have your contractor list the permit fees on the quote.

If you live in Marietta, Alpharetta, Cumming or Canton

Start with the city if your address is inside its limits, and with the county if it isn't. Our local pages for basement remodeling in Marietta, Alpharetta, Cumming and Canton cover the rest of the job in those areas.

What does the City of Atlanta require for a basement finish?

The City of Atlanta treats basement buildout and finish as a residential permit. You submit online through Accela Citizen, with architectural, structural and site plans going to the Office of Buildings. The city adds more documents depending on the permit type, and its checklists page lists them. Express permits are the exception and are accepted in person only.¹

Plans and documents

The city asks for architectural, structural and site plans on residential construction permits.¹ The plan reviewer checks the code items later in this guide, so it helps when the drawings show each room's use and size, bedroom egress and ceiling heights. If the work cuts or moves a load-bearing wall or beam, bring in a licensed structural engineer and ask the city what engineering documents it wants with the application. Work through the city's checklist before you submit so nothing is missing.

Where to go in person

The Residential Permits Division sits at 55 Trinity Ave. SW, 3rd Floor, Suite 3900, Atlanta, GA 30303.¹ Walk-in service covers residential additions and alterations under 1,500 square feet only, Monday to Friday, 8:15 AM to 3:00 PM.¹ Permit status updates run through the same Accela Citizen site.¹

Historic districts, overlays and trees

Three local rules can add a step before the building permit.

• Historic and landmark districts. The city's permit exemptions don't apply to exterior work in a district governed by Chapter 20 of the zoning ordinance.² Cutting a new egress window into a foundation wall is exterior work. Depending on your district, you may need a Certificate of Appropriateness before you submit the building permit.² The city lists Type I and staff-reviewed Type II certificates at $10 each, and a Type II certificate decided by the Commission at $100.²
• Special districts and overlays. Your zoning district or overlay, such as a Special Public Interest District or the BeltLine overlay, can require extra reviews before the building permit.²
• Trees. Since June 25, 2025, anyone whose project may affect trees must complete an arborist meeting with the Office of Buildings before applying.¹ If an egress window well means digging near a tree, ask whether your job counts.

How much does a basement finishing permit cost in Atlanta?

In the City of Atlanta, the building permit costs $7 per $1,000 of construction cost, with a $150 minimum.² Each permit also carries a $25 technology fee.² Mechanical, electrical and plumbing permits each list a $150 base fee, and extra trade fees apply based on scope.²

These are the lines from the city's fee table that matter for a basement finish.

A worked example

Take a 1,000-square-foot basement finish with a bathroom, new circuits and extended ductwork. The city's valuation table lists a basement finish build-out at $46 per square foot.² By our arithmetic, that job values at $46,000, and the city's rates work out to:

• Building permit: 46 × $7 = $322, plus the $25 technology fee = $347
• Electrical, plumbing and mechanical permits: 3 × ($150 + $25) = $525
• Total before scope-based trade fees: $872

That's our own arithmetic on the city's published table, and the city's bill for your job may differ. The city's ATL Permit Navigator calculates the permits and costs for your actual project.¹ Budget from the city's own table first. Then add room for the scope-based trade fees the table mentions but doesn't price.

Permits are a small slice of the job. Our Atlanta basement remodeling cost guide covers the full budget.

Can I finish my basement without a permit?

No, not in the City of Atlanta. Basement buildout and finish is a listed residential permit type.¹ The city's exemptions cover repairs and replacements, such as painting, new floor coverings, replacing interior doors and replacing up to three sheets of drywall.² Framing new rooms and adding circuits, plumbing or ductwork aren't on that list.

The city's exemption for work valued under $10,000 in total applies only to repairs.² Building out a bare basement into new rooms is new work, and the city lists it separately as a permit type.¹ Even exempt work still has to meet code.² Ask the Office of Buildings before you treat any part of a basement job as exempt.

Outside the city, ask your city or county before any work starts, and plan on needing a permit.

Unpermitted work tends to come up later, often when the house is sold. Getting it approved after the fact can mean opening finished walls so an inspector can see what's behind them.

What code rules will the plan reviewer check?

The model code behind residential plan review is the International Residential Code. The 2021 edition sets 7-foot ceilings for habitable basement space, a 70-square-foot minimum for habitable rooms and smoke alarms on every level.³ Local adoption and amendments vary, so the edition and amendments your reviewer uses decide the final numbers.

Two rules catch people off guard.

Alarms go house-wide. When a permitted alteration happens, the whole dwelling unit has to get smoke alarms placed as they would be in a new home.³ Carbon monoxide alarms follow a similar rule, with exceptions for plumbing work and for mechanical work that isn't fuel fired.³ Alarms added under these alteration rules may be battery powered.³

Basement bathrooms need air. A bathroom without a window needs artificial light and a local exhaust fan vented directly outdoors.³

You'll see different ceiling and alarm numbers online. The 2021 IRC text sets 7 feet and allows battery alarms in alterations.³ Your plan reviewer's adopted code settles it. Ask before you plan a room around a low beam.

Have a licensed electrician run new circuits, and bring in a structural engineer for anything that touches a load-bearing wall or beam.

Can you finish a basement with no egress window?

Often yes, if you don't add a bedroom. Under section R310.7 of the 2021 International Residential Code, altering an existing basement doesn't trigger an emergency escape opening. New sleeping rooms do, and each one needs its own.³ Local adoption and amendments vary, so your plan reviewer applies whatever your jurisdiction adopted.

The code calls it an "emergency escape and rescue opening." Most people call it an egress window. For each basement bedroom, the 2021 IRC sets these minimums.³

• A net clear opening of at least 5.7 square feet³
• A clear opening at least 24 inches high and 20 inches wide³
• The bottom of the opening no more than 44 inches above the floor³
• Opens from inside without keys, tools or special knowledge
• A side-hinged or sliding exterior door can serve instead of a window

If the window sits below grade, it needs an area well.³ The well must be at least 9 square feet, with at least 36 inches of projection and width.³ A well deeper than 44 inches needs a permanently attached ladder or steps.³ The well also has to drain into the foundation drainage system unless the soil qualifies for the exception.³

The code has a sprinkler exception. A home with an automatic sprinkler system can skip bedroom escape openings if the basement has either one code-compliant means of egress plus one escape opening, or two code-compliant means of egress.³ Ask your plan reviewer before you count on it.

If the plan shows a bedroom, the escape opening has to be on it. In a City of Atlanta historic district, remember that a new window opening is exterior work.

What inspections should you expect?

Expect an inspector to see the work while the walls are still open and again when it's finished. In the City of Atlanta, the Office of Buildings conducts inspections and code enforcement.² Each office sets its own inspection list, so ask for yours when the permit is issued. Your contractor pulls the permit and books the inspections.

A typical sequence looks like this, though your office may add or combine steps:

1. Rough-in. Framing, wiring, pipes and ductwork stay uncovered until they pass.
2. Any stage your office adds, such as insulation, before drywall goes up.
3. Final. The finished space, including egress and alarms, gets checked before you use it.

What to ask your contractor about permits

A good quote names the permits, the office and the fees. Ask these questions before you sign and get the answers in writing. If you'd rather have one vetted, licensed basement contractor handle the permit, Basement Remodeling Co. matches you with one for metro Atlanta.

• Which office issues the permit for my address: the City of Atlanta, my suburb or the county?
• Which permits does this job need: building, electrical, plumbing, mechanical?
• Are the permit fees in this quote, and how much are they?
• Do the plans show egress for every bedroom and the ceiling height in every room?
• Does anything touch a load-bearing wall or beam, and who stamps the drawings?
• Is my address in a historic district or overlay that adds a review?
• Who pays to fix work that fails an inspection?

For the full picture of the job, read our basement finishing guide. When you're ready, request a quote for basement finishing in Atlanta. You'll get a free on-site estimate and a written, itemized quote, and nothing starts until you sign. More metro pages sit on our Atlanta hub.