

ADUs are allowed in FlatoniaTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Flatonia, TX
Is your property eligible for an ADU?
# of Parcels
770
Zoning districts
11
Avg Parcel Value
$260,413
Median Parcel Size
0.36 acres
Zoning Districts:
774 parcels · 11 districts
R-SF
46%(359)
R-2
17%(129)
CBD
9%(67)
G-C-2
6%(46)
Other
22%(173)
ADU Rules
What can you build in Flatonia, TX?
Flatonia, TX follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Max Units
- –1 ADU per single-family lot (R-1/R-2/R-3; detached or attached)
Parking
- –2 spaces/ADU for 1–3 bedrooms; +1 per bedroom over 3; CBD off-street parking does not apply; off-site parking allowed within 300 ft; joint/shared parking allowed at 90% of 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.
Fayette County