For DIY homeowners

Know what to buy and what it costs before you start.

Describe your project the way you'd explain it at the hardware store — "12×16 deck, about 3 feet off the ground, with stairs" — and choose "I'm doing it myself." BuildFlow builds an itemized list of materials with waste included, plus tool rentals, permits and disposal. No labor, no contractor markup.

Create your free accountTry a free estimate

What you get

Check a contractor's quote

Got a bid and not sure it's fair? Run the same scope as a contractor estimate to see an itemized breakdown of materials, labor and markup, then compare line by line instead of guessing at the total.

It's a planning estimate

Prices vary by store, region and season. Use the estimate to plan and budget, then confirm prices at your local supplier and check permit rules with your city or county before you buy.

Free to start

Try a free estimate without an account. A free account lets you save it as a project and track spending.

Questions

Is it really free for DIY projects?

Yes. You can run a free estimate without an account, and the free plan includes unlimited projects and 10 AI estimates. You don't need Premium for a personal project.

Does it include labor?

Not when you choose "I'm doing it myself." The estimate covers materials, rentals, permits and disposal only. Switch to contractor mode to see what a pro would likely charge.

What projects does it work for?

Common home projects: decks, fences, patios, sheds, bathrooms, kitchens, flooring, drywall, painting and general remodeling.

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