Built an ADU

diegof.architectDenver, CO, US

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2 bedroom, 2 bath with an outdoor patio. 2 car garage. All electric.

Not in flood plain or landmark

Client intent

Looking to hire from scratch

Budget range

$200,000 – $300,000

Timeline

Within 6 months

Lot status

have lot

Square footage

600 – 750 sq ft

Location

Denver, CO, US

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Professionals can submit scope, pricing, and timeline here.

Build context for CO

Build cost / sq ft

low

$175

mid

$280

high

$475

Mid-range estimate for 600 ft²: $168,000

Climate

Zones 5B–7 — cold winters, strong sun. Design for altitude, UV exposure, and snow loads.

Typical timeline10–18 months

Permits & codes

Colorado building codes vary by county. Mountain communities often have additional design review. Radon mitigation required in many areas.

Market tier

Mid-Range Market

TypeADU

Statusopen

Budget$200,000–$300,000

TimelineWithin 6 months

Size600–750 ft²

StageSurvey Complete

Proposals0 submitted · 3 slots left

IntakeOpen

3 of 3 slots available