Fort Worth allows ADUs in single-family zones with moderate setback requirements. The city has been gradually liberalizing ADU regulations, making it increasingly accessible for homeowners seeking to add rental income.
Zoning & Size Requirements
| Allowed Zones | Single-family residential |
| Max Size (Detached) | 1,000 sq ft |
| Max Size (Attached) | 750 sq ft |
| Max Size (JADU) | Not allowed |
| Max Height | 35 feet |
| Max Units | 1 ADU per lot |
Setback Requirements
| Rear Setback | 15 feet |
| Side Setback | 5 feet |
| Front Setback | 20 feet |
| Parking Required | 1 space for ADU |
| Owner Occupancy | Not required |
| Min Lot Size | 6,000 sq ft |
Permit Process & Fees
| Approval Process | Building permit |
| Review Timeline | 45-65 days |
| Permit Fees | $2,400-$4,000 |
| Impact Fees | $1,000-$1,800 |
| Plan Check | 2-3 weeks |
| Pre-Approved Plans | Limited program available |
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Construction Costs
| Average Build Cost | $120,000-$240,000 |
| Cost per Sq Ft | $120-$240 |
| Garage Conversion | $55,000-$135,000 |
| Prefab ADU (Installed) | $85,000-$195,000 (installed) |
Finance Your ADU Project
Most ADU projects are funded through HELOCs, construction loans, or cash-out refinancing. Compare rates from top lenders in minutes.
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| Avg Rent (1 Bedroom) | $1,100-$1,650/mo |
| Avg Rent (2 Bedroom) | $1,400-$2,100/mo |
| Short-Term Rental | Restricted in most areas |
| Est. Annual ROI | 6-9% annual return |
Explore Prefab ADU Options
Prefab ADUs can save 20-40% vs. traditional construction and cut build time in half. Compare top prefab manufacturers.
Compare Prefab ADUs →Recent Law Changes
What's Changed Recently
- 2024: Increased max detached ADU size from 900 to 1,000 sq ft
- 2023: Streamlined ADU approval process
- 2024: Added ADU provisions in transitional zones
- 2023: Reduced fees for ADU permits by 15%
Tips for Building an ADU in Fort Worth
- Fort Worth's rental market is competitive; strong demand in walkable areas
- Many Fort Worth lots are larger than Dallas, giving more ADU placement options
- Tree preservation rules can impact placement; check early in design phase
- Consider the Dallas-Fort Worth market dynamics when pricing rental rates
Frequently Asked Questions
Can I build an ADU in Fort Worth?
Yes. ADUs are allowed in Single-family residential in Fort Worth. The maximum size for a detached ADU is 1,000 sq ft. No owner-occupancy is required.
How much does an ADU cost in Fort Worth?
ADU construction in Fort Worth typically costs $120,000-$240,000. Garage conversions run $55,000-$135,000, and prefab ADUs cost $85,000-$195,000 (installed).
How much can I rent an ADU for in Fort Worth?
Average ADU rents in Fort Worth are $1,100-$1,650/mo for a 1-bedroom and $1,400-$2,100/mo for a 2-bedroom unit.
Do I need parking for an ADU in Fort Worth?
1 space for ADU. Check with Fort Worth planning department for the latest Texas ADU parking rules, as many states have relaxed requirements in recent years.
How long does it take to get an ADU permit in Fort Worth?
The permit review timeline in Fort Worth is 45-65 days. Fees range from $2,400-$4,000.
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