How much does this cost to build?
Type an address. Get a free cost range, with a source on every figure.
Used cars have Kelley Blue Book. Stocks have the ticker. Construction had only the word of the party doing the work.
Now there's a price anyone can check.
1,200 sf detached accessory dwelling unit · Pasadena, CA
Every figure shows its source: public record, declared, or modeled.
Awarded DOT bid tabulations, municipal fee schedules, Davis-Bacon wage rates, FEMA flood panels, and NOAA climate normals.
Valuation figures declared on issued city and county building permits, cited with permit number and issue date.
Where local records are thin, figures are modeled from published benchmarks with the formula and posted exchange rate disclosed.
Who it's for
Who it's for
Free, then the full file
Free, then the full file
Free Factum Score
$0 · No card- Low, mid and high cost range from dated public records
- Time and delay signals for the address
- Source label on every figure
- Permanent Report ID anyone can verify
Full File
$49 – $499- All 11 sections including weather, hidden fees and site depth
- Full conditions register with every flagged finding unredacted
- Trade-by-trade division breakdown across materials and labor
- Issued multi-page PDF with a SHA-256 fingerprint
Pricing
Start free. Go deeper when you need to.
| Level | What it gives | USD |
|---|---|---|
| Free Score → | Cost range, time and delay signals, sources and Report ID | $0 |
| Home → | A home or addition, full findings and PDF | $49 |
| Property → | A property or fit-out, full findings and PDF | $149 |
| Development → | A multi-unit project with units and ROI | $499 |
| Tender review & Major projects → | Public bid schedules and major infrastructure by value | From $2,500 |
Know the true cost before you build.