ADUs are allowed in MelissaTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Melissa, TX
Is your property eligible for an ADU?
# of Properties
27
Owner-occupied
19%
Zoning districts
17
Avg Home Value
$1,222
Median Lot Size
0.30 acres
Avg Income
$130,900
Residential Types:
27 housing units
M4
100%
Zoning Districts:
1,551 parcels · 17 districts
PD
54%(832)
SF-1
21%(333)
SF-3
14%(218)
C2
3%(54)
Other
7%(114)
ADU Rules
What can you build in Melissa, TX?
Melissa, 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: Special Permit
Parking
- –4 spaces minimum (2 enclosed garage + 2 paved behind front property line); no max; tied to single-family standard; on-site parking only; front-yard parking prohibited
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.
Collin County