Updated: May 26, 2026
Location and Projects
Address
Commerce City, CO, 80022
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Michael Derengowski HVAC/Mechanical Contractor
Michael Derengowski at CO 80022, held a HVAC/Mechanical Contractor license (#AEC000574) with the Littleton contractors license board. We last verified the license was expired on 05-25-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 55,949 Colorado contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
Michael Derengowski Contact Information
Phone Number: (303) 931-4461
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Michael Derengowski
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are Michael Derengowski, click “This is My Business” to update your information.
Activity
|
3 projects
|
2025 |
|
4 projects
|
2024 |
Our building permit records indicate that Michael Derengowski has worked on at least
7.0 projects over the past 2 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
4 projects
|
New Constructions |
|
3 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Michael Derengowski mostly works on
new construction
and hvac project
projects.
Pricing
|
3 projects
|
$5k-$20k |
|
1 project
|
$500k-$1mil |
|
3 projects
|
$1mil+ |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
2828 & 2828 1/2 n vallejo st - new single family residence w detached adu new 2-story urban house w basement and detached adu
Valuation:
$1,010,000
Permit #:
2023-LOG-0011875
Status:
approved
Fee:
$2,711
Permit Type:
N/A
Building Type:
N/A
2-story w/basement single family urban house with detached 2-car garage with adu above
Valuation:
$1,010,000
Permit #:
2023-LOG-0009407
Status:
approved
Fee:
$2,776
Permit Type:
N/A
Building Type:
N/A
New 2-story duplex with basements and detached garage structure
Valuation:
$940,000
Permit #:
2023-LOG-0004341
Status:
approved
Fee:
$2,615
Permit Type:
N/A
Building Type:
N/A
2832 & 2832 1/2 n vallejo street - new single family residence w detached adu
Valuation:
$1,010,000
Permit #:
2023-LOG-0011903
Status:
approved
Fee:
$2,711
Permit Type:
N/A
Building Type:
N/A
Interior remodel of existing offices. non-structural. adding an ada compliant restroom. general remove and replace throughout
Valuation:
$206,140
Permit #:
2022-LOG-0005999
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
2618 s vine st - new 2-story sfr/bsmt-det garage new 2-story single family residence with basement and detached garage
Valuation:
$635,000
Permit #:
2020-LOG-0006340
Status:
approved
Fee:
$1,826
Permit Type:
N/A
Building Type:
N/A
Single family residence zoning only review for air conditioning vallejo 3 llc 2828 vallejo street full variance request for air conditioning in setback
Valuation:
$8,000
Permit #:
2025-LOG-0008756
Status:
plancheck
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Full variance request for air conditioning in setback
Valuation:
$8,000
Permit #:
2025-LOG-0008755
Status:
plancheck
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
2824 & 2824 1/2 n vallejo st - single family residence - air conditioning units & adu reclocation - modification to 2023-log-0009407 full variance request for air conditioning in setback
Valuation:
$8,000
Permit #:
2025-LOG-0008744
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New 2-story duplex with 4-car detached garage
Valuation:
$1,035,000
Permit #:
2019-LOG-0006819
Status:
approved
Fee:
$2,756
Permit Type:
N/A
Building Type:
N/A
Zlm - 1651 & 1653 n garfield st
Valuation:
N/A
Permit #:
2020-ZLMASTER-0000009
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential remodel
3989 Sunshine Canyon Rd, Boulder, CO, 80302
2007-11-26
Interior remodel & convert 1 garage bay into living space
Valuation:
$95,000
Permit #:
BP-07-1986
Status:
complete
Fee:
$2,465
Permit Type:
N/A
Building Type:
N/A
2602 w 32nd ave skolak residence 2nd story addition and interior remodel to an existing single family residence
Valuation:
$60,000
Permit #:
2013-LOG-R000385
Status:
approved
Fee:
$245
Permit Type:
N/A
Building Type:
N/A
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Michael Derengowski Reviews
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Michael Derengowski License info
Inactive License
| License # | AEC000574 |
| Status | Inactive |
| City | Littleton |
| Type | Bonded |
- According to the The City of Littleton, CO, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Michael Derengowski at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Michael Derengowski, click “This is My Business” to update your information.
8
Permits
- Building permit records show that Michael Derengowski has worked on 8 permitted projects.