ADUs are allowed in OvillaTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Ovilla, TX
Is your property eligible for an ADU?
# of Properties
1,508
Owner-occupied
88%
Zoning districts
12
Avg Home Value
$485,554
Median Lot Size
0.95 acres
Avg Income
$134,307
Residential Types:
1,508 housing units
Single Family
10%
Other
90%
Zoning Districts:
1,775 parcels · 12 districts
RE
53%(933)
R22
20%(351)
R15
17%(309)
CR
4%(73)
Other
6%(109)
ADU Rules
What can you build in Ovilla, TX?
Ovilla, 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
Owner Occupancy
- –No owner-occupancy requirement.
Rental Restrictions
- –Detached ADU rentals prohibited; Guesthouse limited to temporary, no-compensation guest use; no short- or long-term rentals.
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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Is your property eligible for an ADU?
ADU rules in other Texas municipalities
Rules change at the town line. Check the municipality your property is actually in.
Ellis County