

ADUs are allowed in AthensTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Athens, TX
Is your property eligible for an ADU?
# of Parcels
0
Zoning districts
6
Zoning Districts:
19 parcels · 6 districts
A
42%(8)
SF-10
26%(5)
SF-7
11%(2)
SF-5
11%(2)
Other
11%(2)
ADU Rules
What can you build in Athens, TX?
Athens, TX follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Conditional Use Permit
- –Detached ADU: By Right
Detached ADU Size Limits
- –Maximum size of 1,000 sq ft; may be exceeded with a specific use permit
- –Maximum size of 50% of the main structure’s floor area
Owner Occupancy
- –No owner-occupancy requirement for detached ADUs.
Parking
- –1 space/ADU (in addition to primary unit minimum); no max; tandem behind another space allowed; on-site, paved parking for the primary dwelling required
ADU State Law
What can you build in Texas?
- –Texas does not have a statewide ADU law. ADUs are regulated entirely at the local level.
- –ADU rules vary significantly by city, and many jurisdictions prohibit ADUs outright.
- –Counties generally lack zoning authority, but other restrictions may still apply outside city limits.
- –Outside city limits, ADU feasibility often depends on subdivision rules, deed restrictions, and septic or fire requirements.
- –Building/fire codes are set statewide, but whether an ADU is allowed is local zoning.
What's allowed on your lot?
These are the municipality-wide rules. What's allowed on a specific property also depends on state laws, setbacks, floor area ratio, lot coverage, environmental constraints, topography, and other property-specific factors. Search your address on FutureLot to see what's allowed on your property.
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ADU rules in other Texas municipalities
Rules change at the town line. Check the municipality your property is actually in.
Henderson County