Permit-verified profile
WILLIAM MUELLER
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Permit records
6
Median project value
$13,360
Most recent job
2026-04-23
Is WILLIAM MUELLER legit?
What the public permit record shows, not self-reported reviews.
- Is WILLIAM MUELLER a real contractor?
- WILLIAM MUELLER appears in public building-permit records with 6 permits filed through 2026 in and around Cook County (suburbs), IL. Permits are filed with local government before work begins, so this is a matter of public record, not a self-reported listing.
- How is WILLIAM MUELLER's track record verified?
- Every figure on this page comes from building permits pulled from municipal records and matched to WILLIAM MUELLER 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 WILLIAM MUELLER licensed and insured?
- This profile is built from permit records, which confirm permitted work but do not include license status. WILLIAM MUELLER 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 WILLIAM MUELLER's work?
- The most recent permit on record for WILLIAM MUELLER is dated 2026-04-23, with 6 permits on file in total.
Recent permitted projects
- UNDERGROUND DOWNSPOUT EXTENSIONCook County (suburbs) · 2026
- REPLACE FURNACE AND ACCook County (suburbs) · 2025$13,360
- FIREPLACE GAS INSERT- POPLAR CREEKCook County (suburbs) · 2025$6,200
- ROOF 1621, 1623, 1625 PEBBLE BEACHCook County (suburbs) · 2024$30,242
- DRIVEWAY AND FRONT PORCHCook County (suburbs) · 2024$14,800
- SHEDCook County (suburbs) · 2023$4,600
Permitted projects on public record. Addresses are omitted for privacy.
Area served
Cook County (suburbs)
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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.