Estimate

Build your estimate.

A few quick questions. Watch your numbers — and your building — take shape as you answer, every figure straight from our published pricing.

1What are you building?

2What do you need from us?

3How big is the project?

Size band100–500sq ft

We price ADUs from 100 to 1,200 sq ft. The smallest band is priced on a representative project of about 400 sq ft.

4Which look do you like?

Oak-tone cabinets to the ceiling with matte black pulls and a concrete-look island, illustrative stock photo — Kitchen

Light-wood double vanity with matte black wall faucets and a freestanding tub, illustrative stock photo — Bathroom

Vaulted living area with a timber beam and warm wood floors, illustrative stock photo — Living area

White board-and-batten entry with black trim and a cedar door, illustrative stock photo — Exterior

Browse the look of each finish level. It doesn’t change the numbers — construction is shown as a range because finish level, site conditions and access all move it. Photos are illustrative stock images, not Fortune projects.

Turn on JavaScript to change the options — or see every figure in the pricing tables: ADU, residential, commercial.

Illustration

Your planning estimate

ADU · Design + build · 100–500 sq ft · Elevated look

Updates as you answer.

Our design fee

$5,750

Drawings, structural and Title 24 — a fixed scope, quoted up front.

Construction

$152,000–$200,000

$380–$500 per sq ft, priced on a representative project of about 400 sq ft. Finish level, site conditions and access decide where you land.

City permits

Set by your city

Paid to the jurisdiction, not to Fortune. What they are

Design fee, itemised

Design$3,000
Structural$2,500
Title 24$250
Design fee total$5,750

Every line item

Where construction money goes

Framing & structure15%
General conditions12%
Foundation & concrete9%
Exterior9%
Interior finishes9%
Site work7%
Plumbing7%
Electrical7%
Insulation & drywall7%
Kitchen & bath7%
HVAC & mechanical6%
Roofing5%

Shares of the construction cost — one standard allocation across every size and category, so treat it as the shape of a ground-up build.

Planning estimate, not a quote. Your feasibility report replaces every figure with numbers for your actual property.

Email me this estimate

Start with a free consultation.

Under an hour, no pressure — we talk through what your lot allows and give you a ballpark for your property. No charge, and no obligation to go further.

Free consultation Regulations by city