ADU Construction cost per square foot in Arlington
ADU Construction cost per square foot in Arlington, Texas in 2026.
Low
$148,500
Average
$222,800
High
$297,000
Arlington crews quote about $250 – $495 per square foot.
Multiply local unit rates by your real measurements.
What drives adu construction prices in Arlington
Local labor, permitting and climate move Arlington prices away from the national average.
Labor market
Mid-cities crews are competitively priced with strong availability.
Permits
City permits required for roofing, fences and structural work.
Climate
Storm season concentrates roofing demand in spring.
Arlington unit pricing by material
Ways to lower your Arlington price
- Use pre-approved ADU plans where your city offers them — saves months and design fees.
- Detach only if required; attached and conversion ADUs cost far less.
- Collect three written bids on an identical scope — spreads of 20–40% are normal.
- Book in the off-season and stay flexible on the start date to save 5–15%.
- Bundle nearby work into one mobilization so you only pay setup and travel once.
- Ask what the contractor would change to cut 10% without hurting durability.
Arlington questions
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