Updated: Jun 02, 2026
Location and Projects
Address
4604 BRUSH MILLS AVE, Evans, CO, 80634
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Harper Mechanical
Harper Mechanical, 4604 Brush Mills Ave, Evans, CO (Owned by: Arthur Gallegos) holds a H & V A license and 12 other licenses according to the Denver license board.
Their BuildZoom score of 102 ranks in the top 11% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Harper Mechanical, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Harper Mechanical Contact Information
Phone Number: (970) 518-2569
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Address: 4604 BRUSH MILLS AVE, Evans, CO 80634
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Harper Mechanical Evans
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Harper Mechanical has a BuildZoom score of 102, which places them above 89% of 55,949 contractors in Colorado.
Activity
|
1 project
|
2025 |
|
3 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that Harper Mechanical has worked on at least
7.0 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.
Experience
|
4 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Harper Mechanical mostly works on
hvac project
projects.
Pricing
|
1 project
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
3 projects
|
$250k-$500k |
The typical size of their permits is approximately $172,766. This graph shows the distribution of these job values.
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.
We demoed the two existing boilers and the flue was replaced with some higher-efficiency boilers. we ran new flue through existing holes and reconnected water and gas piping but the existing piping system stayed the same. the system heats the hippo pool
Valuation:
$100,000
Permit #:
2024-BOILERAC-0000143
Status:
final
Fee:
$770
Permit Type:
N/A
Building Type:
N/A
We demoed the two existing boilers and the flue was replaced with some higher-efficiency boilers. we ran new flue through existing holes and reconnected water and gas piping but the existing piping system stayed the same. the system heats the hippo pool
Valuation:
$100,000
Permit #:
2024-LOG-0001494
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Wastewater treatment plant hvac replacements to include: blower bldg.: 1 evaporative cooler replacement dewatering bldg.: 4 new unit heaters (electric) remove 2 make-up air units and replace with new exhaust fan and intake hood on existing curbs sludge control bldg.: remove and replace 1 make-up air unit remove and replace 1 exhaust fan
Valuation:
$225,000
Permit #:
B202101942
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Removing and capturing refrigerant out of existing unit. demolishing existing line sets. replacing with new. terminating to new indoor and outdoor units. testing and charging new line sets with refrigerant
Valuation:
$8,000
Permit #:
2022-BOILERAC-0000069
Status:
final
Fee:
$83
Permit Type:
N/A
Building Type:
Commercial
Disconnect and remove the existing pool hru install new hru and reconnect existing power controls gas and duct
Valuation:
$97,315
Permit #:
B202405597
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove and replace boiler in the pachyderm exhibit
Valuation:
$256,000
Permit #:
2023-BOILERAC-0000665
Status:
withdrawn
Fee:
$1,644
Permit Type:
N/A
Building Type:
Commercial
3754 sf new two story single family dwelling on 1385 sf finished & 776 sf unfinished basement w 1532 sf attached garage - 30x21 & 9x9 covered patio & 30x10 uncovered deck - two 0-clearance fireplaces - air conditioning & basement plumbing - hardboard siding w masonry veneer stone 1/31/18 revise permit to remove air conditioning from dwelling - (md) 02/06/18 reviewed & approved to revi... see more
Valuation:
$331,156
Permit #:
BCR16-01420
Status:
final
Fee:
$7,295
Permit Type:
N/A
Building Type:
N/A
Demolish & remove old boiler replace with like-model. install new b-vent flue re-insulate as needed
Valuation:
$80,000
Permit #:
B202101734
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace boiler
Valuation:
$125,000
Permit #:
B202404968
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Barnum recreation center pool boiler room gas piping replacement and rerouting
Valuation:
$6,757
Permit #:
2022-LOG-0001677
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition one 3ton remote terminal unit for cloud forest reading room; extend gas p
Valuation:
$99,091
Permit #:
B20-0200
Status:
final
Fee:
$8,415
Permit Type:
Office_prof
Building Type:
N/A
Relocating gas line
Valuation:
$2,600
Permit #:
BRX1906-0415
Status:
final
Fee:
$137
Permit Type:
Gas piping
Building Type:
N/A
Replace hvac system
Valuation:
$36,411
Permit #:
B201704747
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical
Valuation:
$5,000
Permit #:
2019-MECH-0001089
Status:
issued
Fee:
$59
Permit Type:
N/A
Building Type:
N/A
Tenant finish for hewlett packard building 6 - relocate existing starbucks kiosk addition new free cooking island including new type i hood & exhaust. new ceiling tile lighting upgrades new equipment replacements (coolers hot/cold food tub). owner authorization on file
Valuation:
$400,000
Permit #:
B1105697
Status:
complete
Fee:
$11,666
Permit Type:
N/A
Building Type:
N/A
Miscellaneous remodel to interior of pvh (phase 1 - remodel storage to office for bio med 570 sq ft. phase 2 - remodel old bio med for respritory 840 sq ft phase 3 - remodel old respitory for office/storage 896 sq ft phase 4 - addition building storage 336 sq ft) karl's cell phone # 1-970-371-1604
Valuation:
$175,000
Permit #:
B0401078
Status:
complete
Fee:
$1,241
Permit Type:
N/A
Building Type:
N/A
Remove and replace boiler in pachyderm exhibit denver zoo
Valuation:
$256,838
Permit #:
2023-BOILERAC-0000110
Status:
issued
Fee:
$1,649
Permit Type:
N/A
Building Type:
N/A
Ncmc - cancer center infusion remodel - first floor - 1978 sf interior remodel - for 3 new offices 3 new exam rooms ante room 1 private infusion room remove 1 existing office to be included in the existing reception area - all utilities included - ref: bcr10-00649 -modify electric & mechanical for new ct scan equipment - 09/20/10 amend permit to inlcude demolish work for this area per... see more
Valuation:
$130,294
Permit #:
BCR10-00771
Status:
final
Fee:
$2,247
Permit Type:
N/A
Building Type:
N/A
Interior tenant finish for poudre valley hospital - children's therapy services to include demolition and renovation of walls mechanical electrical and plumbing. address changed from 1100 e prospect to 1500 s lemay ave per swh 2/19/08
Valuation:
$250,000
Permit #:
B0708543
Status:
complete
Fee:
$6,366
Permit Type:
N/A
Building Type:
N/A
Removing a carrier water chiller and replacing with a trane water chiller
Valuation:
$220,532
Permit #:
2022-BOILERAC-0000262
Status:
final
Fee:
$1,448
Permit Type:
N/A
Building Type:
Commercial
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Harper Mechanical Reviews
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Verified License
BuildZoom confirmed this contractor's license
Harper Mechanical License info
Verified License
| Status | Active |
| City | Denver |
| Type | H & V A |
- BuildZoom verified this license was active as of May 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | Refrigeration A |
- BuildZoom verified this license was active as of May 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | Steam & Hot Water |
- BuildZoom verified this license was active as of May 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1802 |
| Status | Active |
| State | Colorado |
| Type | Plumbing Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Harper Mechanical at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Denver |
- When BuildZoom last verified this license, it had an expiration date of February, 2022. Check the current license status of Harper Mechanical with the City and County of Denver Community Planning and Development
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | LIC-0011783 |
| Status | Active |
| City | Boulder |
| Type | Plumbing |
- When BuildZoom last verified this license, it had an expiration date of December, 2018. Check the current license status of Harper Mechanical with the Boulder Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | PC.0001802 |
| Status | Active |
| State | Colorado |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of February, 2019. Check the current license status of Harper Mechanical with the Colorado Division of Professions and Occupations
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | P00559 |
| Status | Inactive |
| City | Littleton |
| Type | Class P |
- 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 Harper Mechanical at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
| Type | Plbg A |
- According to the City and County of Denver Community Planning and Development, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| State | Colorado |
| Type | Plumber |
- According to the Colorado Division of Professions and Occupations, 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 Harper Mechanical at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-0011783-PLBG |
| Status | Inactive |
| City | Boulder |
| Type | Plumbing |
| Class | Plumbing |
- According to the Boulder Licensing Board, 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 Harper Mechanical at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
| Type | Plbg A |
- According to the City and County of Denver Community Planning and Development, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | MP-463 |
| Status | Inactive |
| City | Fort Collins |
| Type | Sub Contractor |
- According to the City of Fort Collins, 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 Harper Mechanical at the City of Fort Collins.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
Insured
| Insurer | Westifeld Insurance Company/Pinnacol Assurance Company |
84
Permits
- Building permit records show that Harper Mechanical has worked on 84 permitted projects.
Harper Mechanical Employees
AG
Arthur Gallegos
Owner
CH
Cindy Harper
Responsible Person
DH
Donald K Harper
GJ
Gallegos, Arthur Jacob
HM
Harper Mechanical
HI
Harper Mechanical Inc
Owner
RH
Ronald Harper