Do I Need a Permit for That? HVAC, Plumbing and Electrical Permits in Georgia

Quick answer: In Georgia, replacing equipment generally requires a permit and repairing it generally does not. A new air conditioner, furnace, water heater, electrical panel, branch circuit, gas line or sewer service line is permitted work. Swapping a faucet, a thermostat, a light fixture or a same-rating breaker is not. Permits are issued by your city or county, never by the state, and your licensed contractor should be the one pulling it.

On this page:

• Jobs that always need a permit

• Jobs that usually do not

• Quick reference table

• Who pulls the permit

• What the inspection covers

• Unpermitted work and resale

• FAQs

The question homeowners actually ask is never “how do I apply for a permit.” It is “does this particular job need one.”

Georgia’s code offices answer the first question well. Their sites walk you through the application, the portal login and the submittal checklist. Very few of them will tell you whether the job sitting in front of you is permitted work at all.

The answer turns out to be more consistent across metro Atlanta than most homeowners expect. It is also worth knowing before the work starts rather than three years later, when a buyer’s inspector is the one asking.

Jobs That Always Need a Permit in Georgia

These are permitted work in essentially every metro Atlanta jurisdiction, and the reason is the same in each case: the job creates a new connection to fuel, water or electricity that nobody else will ever look at again.

Air Conditioner, Heat Pump or Furnace Replacement

New equipment means refrigerant line work, condensate handling and a dedicated circuit sized to the equipment. All three are inspected. Air conditioner replacement and furnace replacement both fall here.

Water Heater Replacement

Gas or electrical connections plus venting. On gas units the inspector is looking hardest at combustion air and where the vent terminates, which is exactly what a rushed swap gets wrong.

Electrical Panel Replacement or Service Upgrade

Always permitted, without exception worth relying on. The utility has to coordinate the disconnect and the reconnect, and that coordination is tied to the permit. Panel replacement and service upgrades are never a same-afternoon handshake job.

New Branch Circuits

Anything that did not have a circuit before now has one. Kitchen and bath remodels, EV charger installation, hot tubs, well pumps, dedicated equipment circuits.

Sewer or Water Service Line Replacement

A sewer line replacement usually needs a second approval on top of the plumbing permit, because the work happens in the public right of way.

Gas Line Additions or Extensions

Running gas to a new range, a dryer, a generator or an outdoor kitchen is permitted work, and the pressure test on the new gas line is witnessed at inspection rather than taken on trust.

Jobs That Usually Do Not Need a Permit

This list matters as much as the first one, because homeowners routinely delay small work out of a vague sense that a permit might be involved.

Like-for-Like Fixture Swaps

Faucets, toilets, garbage disposals, showerheads. Same location, same connections.

Thermostat Replacement

Including smart thermostats, as long as no new wiring is run to serve them. 

Light Fixtures and Ceiling Fans

On an existing box that is rated for the load. A fan going onto a box rated only for a light fixture is a different conversation, and a fair number of ceiling fan failures start there. 

Component Repairs

Capacitors, igniters, blower motors, heating elements, a breaker replaced with one of the same rating and type.

Routine Maintenance

Tune-ups, drain cleaning, filter changes, coil cleaning, flushing a water heater.

The dividing line holds up across metro Atlanta jurisdictions and it is worth memorizing: repairing what already exists is not permitted work, and replacing or adding is. Apply that rule to a job that is not on either list above and you will usually land on the right answer.

Permit Quick Reference

If you only read one part of this page, read this table. It covers the jobs we are asked about most across the greater Atlanta area.

Local amendments exist, and a jurisdiction can be stricter than the state minimum. Treat this table as the starting point and your code office as the answer.

Who Pulls the Permit, and Why It Should Not Be You

Your licensed contractor should pull it. It is worth insisting on, and it is worth walking away over.

A contractor who asks you to pull the permit is moving liability for the work onto you. A homeowner permit generally carries a declaration that you performed the work yourself, which means the code office now has your name on a job you did not touch. 

There is also a simpler test buried in the request. If the code office will not issue a permit to your contractor, you have just learned something important about your contractor. 

Get it in writing before work starts. One line on the proposal naming who pulls the permit is enough, and any legitimate contractor will put it there without being asked twice.

Want a contractor who pulls the permit and meets the inspector as a matter of course? Casteel handles HVAC, plumbing and electrical across the greater Atlanta area. Call 770-852-8504 for a free estimate.

Where Georgia Permits Actually Come From

Not from the state. Georgia’s Department of Community Affairs adopts the state minimum standard codes that everyone builds to, and it updated those codes with Georgia amendments effective January 1, 2026. But DCA does not issue permits and does not inspect your house.

Permits are issued locally. The City of Atlanta, Marietta, Roswell, Alpharetta and Decatur each issue inside their own limits. Cobb, Gwinnett, Fulton, DeKalb, Cherokee and Forsyth counties issue in unincorporated areas.

That distinction catches people with an Atlanta mailing address who are not actually inside the city. The mailing address is not the jurisdiction. The taxing authority on your property record is the better clue.

Your local code office is the authority for your address, and its answer supersedes any general guidance, including everything on this page.

What the Inspection Covers

Less than most homeowners fear. For a typical residential replacement it is one visit after the work is finished.

The inspector checks equipment listing and clearances, venting and combustion air, condensate termination, circuit sizing and overcurrent protection, grounding and bonding, and on gas work a pressure test that has to hold while they watch.

They are not inspecting the rest of your house. They are inspecting the work on the permit.

If something does not pass, the normal outcome is a correction and a reinspection, not a penalty. A contractor who does this work every week knows what each local inspector looks at and builds the job to pass the first time.

Unpermitted Work Shows Up at Resale

This is common rather than catastrophic, which is worth saying plainly. Missing permit history on a water heater, an HVAC system or a panel is one of the most frequent items a buyer’s inspector flags in metro Atlanta. 

The remedy is a retroactive permit and inspection, plus correcting anything that does not pass. Sometimes that is a vent termination. Sometimes it is a whole install that has to be redone.

Permitting the job when it happens is cheaper and far less stressful than permitting it under a closing deadline, when you have no leverage and no time.

One related point, because it comes up constantly and is widely misstated. Georgia’s state smoke detector statute is written for new dwellings and dwelling units. It is not a point-of-sale rule. If your city or county has a resale detector requirement, it comes from a local ordinance rather than from that statute, so ask your code office rather than trusting a search result. Hardwired detector work that adds circuits is permitted work either way.

How to Check That Your Contractor Is Licensed in Georgia

Three steps, and none of them take long.

Ask for the license number and the exact legal name it is held under, because a license held by one entity does not cover a differently named company doing the work. 

Verify it yourself through the Georgia Secretary of State’s licensing division rather than accepting a photocopy or a screenshot. The state’s license lookup is public and free, and a photocopy proves only that a photocopier was involved.

Ask for a certificate of insurance sent directly from the insurance agency to you. A forwarded PDF is not the same thing.

Then confirm in writing that the contractor is pulling the permit, which is the fourth check disguised as a scheduling question.

Why Choose Casteel for Permitted Work in Metro Atlanta

Casteel holds Georgia licenses in all three trades, and they are published rather than described: HVAC CR109281, plumbing MP210884, electrical EN215639. 

That matters on this particular subject more than on any other. A company that pulls permits in every metro Atlanta jurisdiction has to keep licensing current in all of them, and the code offices are the ones enforcing it.

We pull the permit, we meet the inspector, and we handle plumbing, electrical and HVAC under one roof, which matters on jobs like a generator or a tankless conversion that need two trades and two permits. 

If you want the current condition of your systems documented before you buy, sell or renovate, a plumbing inspection or an electrical inspection gives you a written report to work from. Learn more about why homeowners across the greater Atlanta area choose Casteel, or call 770-852-8504.

Georgia Permit Requirements FAQs

What are the HVAC permit requirements in Georgia?

Replacing an air conditioner, heat pump or furnace generally requires a permit and a final inspection in Georgia, because the work involves refrigerant lines, condensate handling and a dedicated circuit. Tune-ups and component repairs such as capacitors or igniters do not. Permits are issued by your city or county, not by the state.

What are the plumbing permit requirements in Georgia?

Water heater replacement, moving or adding a fixture, repiping, and water or sewer service line replacement generally require a plumbing permit in Georgia, issued locally by your city or county. Like-for-like swaps such as faucets, toilets and garbage disposals generally do not. Sewer work in the right of way usually needs a second approval.

What are the electrical permit requirements in Georgia?

Panel replacements, service upgrades and any new branch circuit require an electrical permit in Georgia, issued by your city or county. Replacing a light fixture, a switch, a receptacle or a breaker of the same rating generally does not. Your licensed electrician should pull the permit rather than asking you to.

What are the HVAC contractor licensing requirements in Georgia?

Georgia licenses conditioned air contractors through the state licensing boards administered by the Secretary of State, and the local code office confirms whether a contractor may pull permits in that jurisdiction. As a homeowner, the practical check is to get the license number, verify it with the state directly, and confirm in writing that the contractor is pulling the permit.

Can a homeowner pull their own permit in Georgia?

In many Georgia jurisdictions a homeowner can pull a permit for work on their own primary residence, but it generally carries a declaration that you are performing the work yourself. If a contractor asks you to pull it for work they are doing, that shifts liability onto you and is a reason to pause.

What happens if work was done without a permit?

Usually nothing until you sell, refinance or file a claim. Then a buyer’s inspector or an adjuster flags it, and the fix is a retroactive permit, an inspection, and correcting whatever does not pass. Handling it on your own timeline is far easier than handling it against a closing date.