Permit-verified profile
CALDER, WILLIAM C
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Permit records
1
Median project value
$1,753,328
Most recent job
2026-04-17
Is CALDER, WILLIAM C legit?
What the public permit record shows, not self-reported reviews.
- Is CALDER, WILLIAM C a real contractor?
- CALDER, WILLIAM C appears in public building-permit records with 1 permit filed through 2026 in and around City of Boston, MA. Permits are filed with local government before work begins, so this is a matter of public record, not a self-reported listing.
- How is CALDER, WILLIAM C's track record verified?
- Every figure on this page comes from building permits pulled from municipal records and matched to CALDER, WILLIAM C by the contractor name on each permit. Permit records cannot be purchased or faked the way online reviews can, which makes them a stronger signal of real, completed work.
- Is CALDER, WILLIAM C licensed and insured?
- This profile is built from permit records, which confirm permitted work but do not include license status. CALDER, WILLIAM C has not claimed this profile to add license or insurance details. Confirm licensing directly with your state or local board before hiring.
- How recent is CALDER, WILLIAM C's work?
- The most recent permit on record for CALDER, WILLIAM C is dated 2026-04-17, with 1 permit on file in total.
Trades on record
Recent permitted projects
- Fire AlarmCity of Boston · 2026$1,753,328
Permitted projects on public record. Addresses are omitted for privacy.
Permit activity in City of Boston
Area served
City of Boston
Similar contractors in City of Boston
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Are you CALDER, WILLIAM C?
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</a>Track record sourced from public building-permit records. Figures reflect permitted projects, not self-reported work. Listed on Proven Pros.