Home Improvement Box publishes original reporting and aggregated data on the U.S. home improvement industry. This page explains how we source, verify, and update our content.
Data Sources
- Public records: permit databases, prevailing-wage filings, OSHA records.
- Industry data: NRCA, RCMA, SMACNA, AGC trade-association rate cards.
- Contractor surveys: voluntary submissions, verified against public license data.
- Editorial research: interviews, site visits, expert review.
Verification
Pricing claims are triangulated across at least two independent sources where possible.
Corrections
Errors are corrected promptly with a visible note.
See the Pricing & Data hub, or coverage: Roofing, Permits, Pricing.
