Updated: Mar 27, 2026
Location and Projects
Address
6155 Graden St, Frederick, CO, 80530
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Chestnut Mechanical
Their BuildZoom score of 98 ranks in the top 16% of 55,949 Colorado licensed contractors.
If you are thinking of hiring Chestnut Mechanical, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Chestnut Mechanical Contact Information
Phone Number: (303) 505-9366
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Address: 6155 Graden St, Frederick, CO 80530
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Chestnut Mechanical Frederick
Quality
98
84th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Chestnut Mechanical has a BuildZoom score of 98, which places them above 84% of 55,949 contractors in Colorado.
Activity
|
4 projects
|
2025 |
|
3 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Chestnut Mechanical has worked on at least
8.0 projects over the past 3 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.
Pricing
|
1 project
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
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.
Basement finish/remodel. adding a bedroom and bathroom in the unfinished portion of the basement. adding a wet bar on wall outside of the mechanical room. adding sub panel for added power
Valuation:
$35,000
Permit #:
RES-3812-2025
Status:
final
Fee:
$1,726
Permit Type:
N/A
Building Type:
N/A
Remove existing cabinetry and appliances and demolish partial in
Valuation:
N/A
Permit #:
BPR-033268-2024
Status:
final
Fee:
N/A
Permit Type:
Interior remodel ...
Building Type:
N/A
Finishing out rough basement
Valuation:
N/A
Permit #:
INT_R2025-00010
Status:
final
Fee:
N/A
Permit Type:
Basement finish
Building Type:
N/A
Attempted self basement finish
Valuation:
N/A
Permit #:
INT_R2025-00110
Status:
filed
Fee:
N/A
Permit Type:
Basement finish
Building Type:
N/A
1175 sf basement finish in existing dwelling built in 2004 - includes utilities - for two bedrooms and one full bathroom -
Valuation:
$28,635
Permit #:
RSA21-0521
Status:
final
Fee:
$708
Permit Type:
N/A
Building Type:
N/A
Installing a mini split system for heating & cooling
Valuation:
$8,367
Permit #:
BP-23-0274
Status:
complete
Fee:
$254
Permit Type:
N/A
Building Type:
N/A
Finishing out rough basement
Valuation:
N/A
Permit #:
BLDG24-0432
Status:
final
Fee:
$1,541
Permit Type:
Basement finish
Building Type:
N/A
Edr
Valuation:
N/A
Permit #:
2024-FIRE-0007024
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel basement adding a bathroom and bedroom in the basement
Valuation:
$28,000
Permit #:
RES-4019-2025
Status:
issued
Fee:
$1,414
Permit Type:
N/A
Building Type:
N/A
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Chestnut Mechanical Reviews
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Chestnut Mechanical License info
License Not Verified
| License # | CON-23-0009 |
| Status | Active |
| County | Boulder County |
| Type | Residential Mechanical Installations And Repair |
- When BuildZoom last verified this license, it had an expiration date of February, 2026. Check the current license status of Chestnut Mechanical with the Boulder County Land Use Department
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 22-099139 |
| Status | Inactive |
| City | Lafayette |
| Type | Mechanical Contractor |
- According to the City of Lafayette, 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 Chestnut Mechanical at the City of Lafayette.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2403254 |
| Status | Inactive |
| City | Westminster |
| Type | General Contractor |
- According to the City of Westminster, Colorado, 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 Chestnut Mechanical at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
9
Permits
- Building permit records show that Chestnut Mechanical has worked on 9 permitted projects.
Chestnut Mechanical Employees
AC
Alexandra Chestnut
Owner
AC
Alexandria Chestnut
Owner