Cobb County, GA Business Licensing & Operations: Auto Repair on Residential Property (2026)
Key Facts
- Governing rule
- § 134-1(3), customary home occupation definition
- Equipment limit
- Household/hobby tools only, no shop equipment
- Floor area cap
- 25% of the dwelling unit
- Business vehicle limit
- One, in carport, garage, or side/rear yard
- Customers on-site
- Not allowed except individual instruction
- Commercial repair use
- Not permitted in any residential district (Sec. 134-192)
- First-violation fine
- $100 to $1,000, up to 60 days jail
Summary
Unincorporated Cobb County does not treat auto repair as a customary home occupation. Zoning Code § 134-1(3) bars home occupations from using equipment beyond household and hobby tools, and the Sec. 134-192 use table lists no residential district, from R-80 through RSL, where a light or heavy automotive repair establishment is permitted.
Customary home occupation means those occupations, which are customarily performed in a small area of a residence due to the low intensity nature of such uses, subject to the following requirements: (1) There shall be no exterior evidence of the home occupation... (3) No mechanical equipment shall be used for such occupation except such equipment as is customary for purely household and hobby purposes. (4) Such use shall be conducted entirely within the dwelling unit and only persons living in the dwelling unit shall be employed in such occupation. (5) No more than 25 percent of the dwelling unit may be used for the operation. (6) No materials, equipment or business vehicles may be stored or parked on the premises except that one business vehicle, used exclusively by the resident may be parked in a carport, garage, or rear or side yard... (8) No clients or customers are allowed on the premises, except for individual instruction, such as tutoring, musical lessons and the like, for the purpose of supplementing an income.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 53).
Full Breakdown
Cobb County's zoning code allows a "customary home occupation" by-right in every residential district, but only within a strict eight-part definition at § 134-1. A home-based repair business fails it on at least three counts. Subsection (3) limits equipment to what is "customary for purely household and hobby purposes," which rules out compressors, lifts, diagnostic rigs, and other shop-grade tools a repair business needs. Subsection (6) caps stored business vehicles at one, parked only in a carport, garage, or side or rear yard, with no allowance for customer vehicles waiting on repair.
Subsection (8) bars clients or customers from the premises entirely, except for one-on-one instruction such as tutoring, which a repair drop-off does not resemble. Subsections (4) and (5) add that the work must stay entirely inside the dwelling unit, performed only by residents, and confined to 25 percent of the home's floor area. Any one of these failures removes the customary-home-occupation shield. Beyond the home-occupation test, Cobb's Sec. 134-192 "Summary of Uses" table for the twelve residential districts (R-80, RR, R-40, R-30, R-20, R-15, R-12, RD, RA-4, RA-5, SC, RSL) leaves "Automotive repair and maintenance facilities," "Light automotive repair establishments," and "Heavy automotive repair establishments" blank in every column, meaning none of them is a permitted or special-exception use on residential land, home-based or not.
A repair operation has to relocate to a commercial district such as General Commercial or Neighborhood Shopping, where the separate light/heavy automotive repair definitions in § 134-1 add their own noise-abatement and outdoor-storage conditions. This applies only to unincorporated Cobb County; Marietta, Smyrna, Kennesaw, Acworth, Powder Springs, and Austell each zone under their own municipal codes.
Violations & Fines
Cobb County Community Development enforces zoning violations by citation to Cobb County Magistrate Court under O.C.G.A. § 36-1-20, per § 134-2. A first violation within a 12-month period draws a fine of $100 to $1,000 and up to 60 days in jail. A second violation runs $300 to $1,000 (or $600 to $1,000 if it involves outside storage, parking, or junk-car sections), a third $600 to $1,000 (or $800 to $1,000 for those same categories), and a fourth or later violation is a flat $1,000 fine.
Frequently Asked Questions
Can I work on cars in my garage at my Cobb County home?
Could I get a special permit to run a repair shop from my house?
What happens if code enforcement catches an illegal home repair shop?
Does this rule apply inside Marietta or Smyrna?
Sources & Official References
Other rules in Cobb County
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