Build the ADU your property deserves
HaoBuild aligns architects, engineers, and contractors so you can design, permit, and deliver your ADU with one trusted team.
Ready. Set. Build.
Sell your car the hassle-free way, in three easy steps.
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1
Estimate your ADU upgrade
Share a few details about your property, desired ADU, and timeline to receive a tailored cost range in minutes.
2
Watch designers pitch
Multiple architects and builders review your goals, propose ADU concepts, and show price ranges—so you can see the best path forward.
3
Launch your ADU (hassle-free)
HaoBuild handles permits, site prep, and construction oversight so your ADU transition from idea to move-in ready in record time.
Investors lining up for your ADU
Our development partners are ready to bid on your accessory dwelling unit—unlock value while you keep the keys.
What our customers are saying
3 Reasons to build ADU with HaoBuild.
Design, permitting, and construction all coordinated so your ADU moves from idea to key turnover without surprises.
ADU design & permitting covered
Our architects, engineers, and permitting pros translate your goals into permit-ready drawings and secure every clearance.
Transparent budgets & financing help
Know your costs up front, lock in a fixed price, and tap our lending partners so you can compare opportunities confidently.
Dedicated build team manages it
HaoBuild coordinates crews, materials, inspections, and warranty support so your ADU gets delivered on schedule and with care.
Compare your ADU delivery paths
Illustrative timeline for a 900 sq ft backyard ADU with standard permitting.
HaoBuild ADU ServiceFixed-price contract
$215,000
Time: 8 weeks
Process: Design, permitting, build online
Process: Design, permitting, build online
Traditional GCEstimate + change orders
$234,000
Time: 4 months
Process: Field meetings, manual approvals
Process: Field meetings, manual approvals
DIY / Contractor ShoppingHybrid bids
$195,000
Time: 6+ months
Process: Negotiating with 5-10 subs
Process: Negotiating with 5-10 subs