Ducts Unlimited Mechanical Systems Inc
Report verdict
Licensed & active (expires 2027-02-28) · No board discipline flag found in covered sources · 70 permits on file (Denver)
88/100 HomeProFax Score — public-record factors only, not a rating of workmanship. How the score works Full report
The state board is the authority. A flag is a prompt to read the board record, not a verdict. Verify license status with the issuing board before you hire. See methodology and disclaimer & corrections.
What this report checks
Score breakdown
| Factor | Points | Why |
|---|---|---|
| License status | 35/35 | Active license on file with a state board |
| Discipline & legal flags | 20/20 | No disciplinary flag on board record |
| Permit history | 20/20 | 70 permits on file |
| Reviews (BBB + HomeProFax) | 13/25 | No BBB rating on file and no approved HomeProFax reviews yet (neutral). External ratings are linked below, not stored |
A simple, transparent sum of public-record factors. How the score works. Not a rating of workmanship.
Source data as of: Report rebuilt from source files on 2026-10-19 · license status refreshed from City of Aurora list, 2026-10-21, City of Thornton list, 2026-10-21 · most recent permit on file: 2026-10-16.
What we checked
| License | Checked | CO Plumbing Contractor #3375 · active · 4 licenses on file, 4 active |
| Bond | Not available in CO | |
| Workers' comp | Not available in CO | |
| Years licensed | Checked | Licensed since 2015 |
| Business registration | Checked | no confirmed SoS match (held/unmatched) |
| Permits | Checked | 70 permits on record |
| Discipline | Checked | none on record |
| OSHA | Not checked yet | OSHA records not checked yet |
| Reviews & outside links | Not checked yet | No review lookup run yet |
| Contractor-provided | Not checked yet | Nothing provided by the contractor yet |
Public records as of their source dates. Board status is shown as reported by the board. Not a guarantee. Ask the contractor for their verified HomeProFax report.
Licenses
Licensed since 2015 (earliest original issue date on these state license records; not a business start date)
| License # | Type | Status | Issued | Expires | Source |
|---|---|---|---|---|---|
| CO 3375 | Plumbing Contractor (PC) | active | 2015-04-27 | 2027-02-28 | State board |
| CO Aurora city license | City of Aurora (HVAC/Mechanical Contractor) City license: Mechanical Systems Contractor | active Status from City of Aurora list, 2026-10-21 | — | — | City of Aurora licensed-contractor list (public), retrieved 2026-10-21 |
| CO Aurora city license | City of Aurora (Plumbing Contractor) City license: Plumbing | active Status from City of Aurora list, 2026-10-21 | — | — | City of Aurora licensed-contractor list (public), retrieved 2026-10-21 |
| CO LCC2015004388 | City of Thornton (HVAC/Mechanical and Plumbing Contractor) City license: Class D Plumbing/Mechanical | active Status from City of Thornton list, 2026-10-21 | — | 2027-02-15 | City of Thornton licensed-contractor list (public), retrieved 2026-10-21 |
Building permits
| Date | Permit | Type | Address | Value |
|---|---|---|---|---|
| 2026-10-16 | 2026-DEMO-0000524 | 4 - Alteration | 250 N Fillmore ST | $0 |
| 2026-06-17 | 2026-DEMO-0000253 | 4 - Alteration | 1001 17th ST 1050 | $0 |
| 2026-06-17 | 2026-DEMO-0000254 | 4 - Alteration | 1001 17th ST 1050 | $0 |
| 2025-09-26 | 2025-DEMO-0000552 | 4 - Alteration | 205 N Detroit ST 600 | $0 |
| 2025-09-23 | 2025-DEMO-0000550 | 4 - Alteration | 4600 S Syracuse ST | $0 |
| 2025-06-16 | 2025-DEMO-0000353 | 4 - Alteration | 320 N Fillmore ST 300 | $0 |
| 2025-04-03 | 2025-DEMO-0000200 | 4 - Alteration | 4582 S Ulster ST | $0 |
| 2025-03-07 | 2025-DEMO-0000147 | 6 - Wreck | 1800 LARIMER ST 1600 | $0 |
| 2024-10-28 | 2024-DEMO-0000600 | 4 - Alteration | 675 15th ST 2000 | $0 |
| 2024-09-11 | 2024-DEMO-0000499 | 6 - Wreck | 370 17th ST 1700 | $0 |
| 2024-09-03 | 2024-DEMO-0000477 | 4 - Alteration | 3200 E Cherry Creek South DR 500 | $0 |
| 2024-09-03 | 2024-DEMO-0000479 | 4 - Alteration | 3200 E Cherry Creek South DR 700 | $0 |
| 2024-08-30 | 2024-DEMO-0000478 | 4 - Alteration | 3200 E Cherry Creek South DR 500 | $0 |
| 2024-08-30 | 2024-DEMO-0000480 | 4 - Alteration | 3200 E Cherry Creek South DR 700 | $0 |
| 2023-11-22 | 2023-DEMO-0000612 | 4 - Alteration | 1515 Arapahoe ST | $0 |
| 2023-11-14 | 2023-DEMO-0000613 | 4 - Alteration | 1515 Arapahoe ST | $0 |
| 2023-03-02 | 2023-DEMO-0000170 | 4 - ALTERATION | 4600 S ULSTER ST 1200 | $0 |
| 2023-01-31 | 2023-DEMO-0000048 | 4 - ALTERATION | 1700 N BROADWAY 1000 | $0 |
| 2023-01-30 | 2023-DEMO-0000062 | 4 - ALTERATION | 675 15TH ST 2100 | $0 |
| 2022-11-16 | 2022-DEMO-0001158 | 4 - ALTERATION | 1099 18TH ST 1900 | $0 |
| 2022-10-25 | 2022-DEMO-0000974 | 4 - ALTERATION | 3869 N STEELE ST 1264 | $0 |
| 2022-10-13 | 2022-DEMO-0000952 | 4 - ALTERATION | 675 15TH ST 2600 | $0 |
| 2022-09-26 | 2022-DEMO-0000914 | 4 - ALTERATION | 311 N STEELE ST | $0 |
| 2022-09-26 | 2022-DEMO-0000915 | 4 - ALTERATION | 311 N STEELE ST | $0 |
| 2022-08-31 | 2022-DEMO-0000814 | 4 - ALTERATION | 4600 S ULSTER ST 1100 UNIT | $0 |
| 2022-08-29 | 2022-DEMO-0000812 | 4 - ALTERATION | 4600 S ULSTER ST 1100 UNIT | $0 |
| 2022-07-25 | 2022-DEMO-0000699 | 4 - ALTERATION | 370 17TH ST | $0 |
| 2022-07-22 | 2022-DEMO-0000393 | 4 - ALTERATION | 1601 19TH ST 550 | $0 |
| 2022-07-22 | 2022-DEMO-0000678 | 4 - ALTERATION | 1099 18TH ST 1300 | $0 |
| 2022-07-13 | 2022-DEMO-0000658 | 4 - ALTERATION | 1099 18TH ST | $0 |
| 2022-05-12 | 2022-DEMO-0000461 | 4 - ALTERATION | 5050 S SYRACUSE ST 1100 | $0 |
| 2022-04-19 | 2022-DEMO-0000392 | 4 - ALTERATION | 1601 19TH ST 550 | $0 |
| 2022-04-11 | 2022-DEMO-0000364 | 4 - ALTERATION | 999 17TH ST | $0 |
| 2022-03-30 | 2022-DEMO-0000307 | 4 - ALTERATION | 370 17TH ST 4650 | $0 |
| 2022-03-30 | 2022-DEMO-0000308 | 4 - ALTERATION | 370 17TH ST 4650 | $0 |
| 2022-03-29 | 2022-DEMO-0000304 | 4 - ALTERATION | 675 15TH ST 2200 | $0 |
| 2022-03-22 | 2022-DEMO-0000275 | 4 - ALTERATION | 5050 S SYRACUSE ST 1150 | $0 |
| 2022-02-15 | 2022-DEMO-0000102 | 4 - ALTERATION | 1144 15TH ST 2050 | $0 |
| 2022-01-19 | 2021-DEMO-0002032 | 4 - ALTERATION | 1200 17TH ST 3000 | $0 |
| 2021-11-30 | 2021-DEMO-0001943 | 4 - ALTERATION | 1700 N LINCOLN ST | $0 |
| 2021-11-30 | 2021-DEMO-0001944 | 4 - ALTERATION | 1700 N LINCOLN ST | $0 |
| 2021-11-24 | 2021-DEMO-0001909 | 4 - ALTERATION | 1200 17TH ST | $0 |
| 2021-11-24 | 2021-DEMO-0001911 | 4 - ALTERATION | 1200 17TH ST 2900 | $0 |
| 2021-11-22 | 2021-DEMO-0001878 | 4 - ALTERATION | 6900 E LAYTON AVE 1300 | $0 |
| 2021-11-03 | 2021-DEMO-0001645 | 4 - ALTERATION | 1800 LARIMER ST 2200 | $3,300 |
| 2021-11-02 | 2021-DEMO-0001778 | 4 - ALTERATION | 2955 E 1ST AVE | $0 |
| 2021-06-03 | 2021-DEMO-0001333 | 4 - ALTERATION | 675 15TH ST 2300 | $0 |
| 2021-05-11 | 2021-DEMO-0001332 | 4 - ALTERATION | 675 15TH ST 2300 | $0 |
| 2021-01-04 | 2020-DEMO-0000920 | 4 - ALTERATION | 6900 E LAYTON AVE 1100 | $0 |
| 2020-12-23 | 2020-DEMO-0000919 | 4 - ALTERATION | 6900 E LAYTON AVE 1200 | $0 |
| 2020-12-21 | 2020-DEMO-0000918 | 4 - ALTERATION | 6900 E LAYTON AVE 1200 | $0 |
| 2020-12-21 | 2020-DEMO-0000921 | 4 - ALTERATION | 6900 E LAYTON AVE 1100 | $0 |
| 2020-06-25 | 2020-DEMO-0000239 | 4 - ALTERATION | 707 17TH ST 3000 | $20 |
| 2020-04-22 | 2020-DEMO-0000309 | 6 - WRECK | 7595 E TECHNOLOGY WAY 200 | $0 |
| 2020-04-22 | 2020-DEMO-0000310 | 4 - ALTERATION | 7595 E TECHNOLOGY WAY 600 | $0 |
| 2020-04-20 | 2020-DEMO-0000308 | 4 - ALTERATION | 7595 E TECHNOLOGY WAY 200 | $0 |
| 2020-04-20 | 2020-DEMO-0000311 | 4 - ALTERATION | 7595 E TECHNOLOGY WAY 600 | $0 |
| 2019-10-30 | 2019-DEMO-0001041 | 4 - ALTERATION | 5050 S SYRACUSE ST 1000 STE | $0 |
| 2019-10-30 | 2019-DEMO-0001042 | 4 - ALTERATION | 5050 S SYRACUSE ST 1000 STE | $0 |
| 2019-07-01 | 2019-DEMO-0000578 | 4 - ALTERATION | 5050 S SYRACUSE ST MECH STE | $0 |
| 2019-06-17 | 2019-DEMO-0000542 | 4 - ALTERATION | 1144 15TH ST MECH STE | $20 |
| 2019-02-19 | 2019-DEMO-0000130 | 4 - ALTERATION | 4582 S ULSTER ST MECH | $0 |
| 2019-02-19 | 2019-DEMO-0000131 | 4 - ALTERATION | 4582 S ULSTER ST PLUMB | $0 |
| 2018-11-16 | 2018-DEMO-0000599 | 4 - ALTERATION | 4949 S NIAGARA ST MECH STE | $20 |
| 2018-08-01 | 2018-DEMO-0000757 | 4 - ALTERATION | 707 17TH ST | $0 |
| 2018-07-30 | 2018-COMMCON-0002378 | Alteration/Tenant Finish | 3801 W Ohio Ave | $0 |
| 2018-07-03 | 2018-DEMO-0000452 | 2 - ADDITION TO BUILDING | 1801 CALIFORNIA ST | $0 |
| 2018-06-04 | 2018-DEMO-0000477 | 4 - ALTERATION | 1125 17TH ST MECH STE | $0 |
| 2018-05-02 | 2018-COMMCON-0001349 | Alteration/Tenant Finish | 4601 S DTC Blvd 730 & 750 | $46,775 |
| 2018-03-22 | 2018-DEMO-0000235 | 4 - ALTERATION | 370 17TH ST MECH | $0 |
Source: City and County of Denver Open Data (demolition permits, CC BY 3.0), City and County of Denver Open Data (commercial construction permits)
Permit data: City and County of Denver Open Data Catalog, licensed under CC BY 3.0. HomeProFax matched permits to licensed contractors by name; data modified from the original. Not endorsed by the City and County of Denver.
Discipline, complaints & legal
No board discipline or complaints found in our current sources. Federal court search (CourtListener): no state-consistent possible match in our last sample run, or not yet run for this contractor.
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Ducts Unlimited Mechanical Systems Inc · Plumbing Contractor
Arvada, CO
License on file: CO ••••3375
Sources for this report
- CO license board
- City and County of Denver Open Data (commercial construction permits)
- City and County of Denver Open Data (demolition permits, CC BY 3.0)
- City of Aurora contractor license list
- City of Thornton contractor license list
See something wrong? Request a correction. This report is compiled from public records and is not a consumer report.
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