AI drafts. You decide.
Every number shows the math behind it and the source it came from. Every line item carries a confidence score and its assumptions — numbers you can defend to a lender, a board, or a procurement officer.
Independent construction cost estimates — in minutes
Know what it will cost
before you commit.
Upload your files. Get an independent, audit-ready construction cost estimate in minutes — sitework through structure, the math behind every number.
Your first concept estimate is free — a $500 deliverable, on us. No card.
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The most expensive number in construction
is the one you get last.
A concept-level estimate costs about $2,000 done by hand. A feasibility study runs $2,500 to $50,000 and takes weeks — per iteration. Design proceeds for months without a cost check. Then the real number arrives at bid day, 20–30% over budget, and the redesign cycle starts.
BOAR moves the real number to the beginning: an independent estimate at feasibility, and a fresh one at every design milestone — in minutes, for $600–$1,000 on a large project instead of weeks and five figures.
Who uses BOAR
The people who pay for the building — not the ones bidding to build it.
Developers & owners
Test whether a project pencils before you tie up land or capital. Run five scheme variations in the time one consultant study used to take. Walk into lender conversations with a decomposed, defensible estimate.
Architects & engineers
Check cost at every milestone — SD, DD, CD — instead of discovering it at bid day. Keep the design you fought for by catching budget drift while it's still a detail, not a redesign.
Owner's reps & cost consultants
Deliver feasibility studies in days instead of weeks. BOAR does the pricing; your judgment and your letterhead do the rest. Per-deliverable pricing disappears inside your fee.
How it works
1 — Upload
Plans, P&ID, Scope, Files (PDF), any stage from concept sketches to CDs, plus your project program.
2 — Review the quote
You see the exact price for your project before anything runs. No surprises, no meters.
3 — Get the estimate
Minutes later: a decomposed, CSI-organized estimate — sitework, underground utilities, foundations, structure — with confidence scores and a full assumption trail. Export it, challenge it, take it to the table.
Most estimating tools start at the building. BOAR starts at the dirt.
Cut and fill. Underground utilities. Foundations. Mass haul. Sitework is the highest-error category in construction budgeting — and the one every other AI estimating tool skips. BOAR covers the full scope, because that's where owner budgets actually break.
Trust the number
Audit-ready is a feature, not an adjective.
Click any number and see the math behind it, the source it came from, and the assumptions it rests on. Every line item carries a confidence score. When the number is challenged — and good numbers get challenged — you show the trail.
Want a human in the loop? Add professional sign-off.
BOAR produces the evidence. Your estimator signs it. Every number shows its math and its source, every assumption is stated, and the full audit trail exports with the estimate — so the person whose name is on the estimate can defend every line. BOAR does not certify your numbers and no third party should rely on them as ours. That is by design: the accountability belongs to the professional, and so does the credit.
Your plans are yours. Full stop.
Your files and estimates are never used to train other customers' models. Configurable security architecture built for government and security-gated owners — SOC 2 compatible, NIST-aligned, client-controlled data policies.
Prove it on your own project.
Run your next project through BOAR side by side with your current process. If the estimate isn't faster and within tolerance, you've spent nothing — and you keep the estimate either way.
Run your next project through BOAR.
Upload the plans. See the price. Judge the estimate — your first one is on us.