ADUs are allowed in AbileneTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Abilene, TX
Is your property eligible for an ADU?
# of Properties
36,740
Owner-occupied
60%
Zoning districts
63
Avg Home Value
$173,400
Median Lot Size
0.19 acres
Avg Income
$73,259
Residential Types:
36,740 housing units
Single Family
91%
Apts (4+ units)
4%
Other
5%
Zoning Districts:
49,692 parcels · 63 districts
RS-6
46%(23,060)
RS-8
11%(5,615)
MD
10%(5,072)
PD
6%(2,922)
Other
26%(13,023)
ADU Rules
What can you build in Abilene, TX?
Abilene, 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
Interior / Attached ADU Size Limits
- –Internal ADU in AO, RR, or RS on lots under 2 acres: maximum 1,200 sq ft.
- –Internal ADU on lots 2 acres or more: maximum of 50% of the primary structure or 2.5% of lot area, whichever is greater.
- –Internal ADU in other districts on lots under 2 acres: maximum 50% of the primary structure gross building area.
- –By Special Exception, larger internal ADUs may be allowed (no fixed numeric cap; placeholder high cap).
Detached ADU Size Limits
- –AO, RR, RS districts on lots under 2 acres: maximum ADU size 1,200 sq ft
- –Lots under 2 acres: maximum ADU size is 50% of the primary structure
- –Lots 2 acres or larger: maximum ADU size is the greater of 50% of the primary structure or 2.5% of lot area
- –By Special Exception, larger ADUs than permitted may be approved (no fixed cap specified)
Owner Occupancy
- –Owner occupancy is not required.
Parking
- –1 space/ADU; no maximum stated; reductions/alternatives via Alternative Parking Plan; shared or off-site parking within 300–400 ft may count; on-street spaces countable only in the CB district with approval.
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.
Taylor County