Updated: Jun 05, 2026
Location and Projects
Address
6321 WASHINGTON ST #N, Denver, CO, 80216
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Aok plumbing & HVAC Services
Aok plumbing & HVAC Services, 6321 Washington St N, Denver, CO (Owned by: Alan K Terry) holds a Refrigeration A license and 8 other licenses according to the Denver license board.
Their BuildZoom score of 98 ranks in the top 16% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Aok plumbing & HVAC Services, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Aok plumbing & HVAC Services Contact Information
Phone Number: (303) 420-2650
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Address: 6321 WASHINGTON ST #N, Denver, CO 80216
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Aok plumbing & HVAC Services Denver
Quality
98
84th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Aok plumbing & HVAC Services has a BuildZoom score of 98, which places them above 84% of 55,949 contractors in Colorado.
Activity
|
1 project
|
2025 |
|
2 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Aok plumbing & HVAC Services has worked on at least
4.0 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 |
|
3 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Aok plumbing & HVAC Services mostly works on
hvac project
and mechanical project
projects.
Pricing
|
2 projects
|
$5k-$20k |
|
1 project
|
$100k-$250k |
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.
Building Permits by Aok plumbing & HVAC Services
This is a sample of this contractor's permits. Click here to access their complete permit history.
Second story addition pop top
Valuation:
$150,000
Permit #:
RES23-01085
Status:
expired
Fee:
$4,753
Permit Type:
N/A
Building Type:
N/A
Install new 90 percent 80k btu furnace ductwork and bathroom exhaust fan
Valuation:
$5,500
Permit #:
2023-MECH-0006874
Status:
final
Fee:
$67
Permit Type:
N/A
Building Type:
Single family res...
Replace existing boiler with new high efficient wall hung boiler
Valuation:
$15,000
Permit #:
2021-BOILERAC-0000160
Status:
final
Fee:
$139
Permit Type:
N/A
Building Type:
Single family res...
Replace existing boiler with new
Valuation:
$25,000
Permit #:
2022-BOILERAC-0000909
Status:
final
Fee:
$219
Permit Type:
N/A
Building Type:
Single family res...
Replace existing boiler with new 262k btu hot water boiler
Valuation:
$15,000
Permit #:
2020-BOILERAC-0000943
Status:
final
Fee:
$139
Permit Type:
N/A
Building Type:
Multi-family resi...
New noble nkc condensing boiler
Valuation:
$12,000
Permit #:
RMIS24-01490
Status:
final
Fee:
$293
Permit Type:
Boiler-hydronic
Building Type:
N/A
Replace existing boiler with new
Valuation:
$20,000
Permit #:
2021-BOILERAC-0000161
Status:
final
Fee:
$179
Permit Type:
N/A
Building Type:
Single family res...
Replace boiler with new combi unit
Valuation:
$13,000
Permit #:
2021-BOILERAC-0000025
Status:
final
Fee:
$123
Permit Type:
N/A
Building Type:
Multi-family resi...
Installing new lochinvar - noble series 155 00 btu combi boiler water heater & indirect water heater
Valuation:
$17,000
Permit #:
2018-BOILERAC-0000635
Status:
final
Fee:
$155
Permit Type:
N/A
Building Type:
Single family res...
Replace hw boiler like for like
Valuation:
$12,000
Permit #:
2018-BOILERAC-0000338
Status:
final
Fee:
$115
Permit Type:
N/A
Building Type:
N/A
Install new 2 ton central air conditioning system
Valuation:
N/A
Permit #:
BLDG19-4238
Status:
issued
Fee:
$192
Permit Type:
Air conditioner
Building Type:
N/A
Furnace/ac combo
Valuation:
$8,013
Permit #:
18-06513
Status:
complete
Fee:
$167
Permit Type:
Furnace/AC combo
Building Type:
N/A
Boiler
Valuation:
$15,000
Permit #:
2018-BOILERAC-0000301
Status:
final
Fee:
$139
Permit Type:
N/A
Building Type:
Single family res...
Boiler
Valuation:
$11,000
Permit #:
2018-BOILERAC-0000302
Status:
final
Fee:
$107
Permit Type:
N/A
Building Type:
Single family res...
Inspect furnace and ductwork installation
Valuation:
$2,800
Permit #:
2019-MECH-0001988
Status:
final
Fee:
$43
Permit Type:
N/A
Building Type:
Single family res...
Install 2 bathroom fans & dryer vent
Valuation:
$350
Permit #:
2019-MECH-0001549
Status:
final
Fee:
$20
Permit Type:
N/A
Building Type:
Single family res...
Install new bradford white - 50 gallon 40k btu water heater
Valuation:
$2,000
Permit #:
BLD-2021-02349
Status:
complete
Fee:
$106
Permit Type:
N/A
Building Type:
N/A
Cm - commercial
Valuation:
$2,102,633
Permit #:
14-00399
Status:
complete
Fee:
$25,931
Permit Type:
New
Building Type:
Commercial
Commercial
Valuation:
$2,102,633
Permit #:
14-00399
Status:
Completed
Fee:
$25,931
Permit Type:
Commercial
Building Type:
N/A
No Description Available
Valuation:
$0
Permit #:
14-07824
Status:
Completed
Fee:
$83
Permit Type:
N/A
Building Type:
N/A
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Aok plumbing & HVAC Services Reviews
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Verified License
BuildZoom confirmed this contractor's license
Aok plumbing & HVAC Services License info
Verified License
| Status | Active |
| City | Denver |
| Type | Refrigeration A |
- BuildZoom verified this license was active as of June 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 June 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | H & V A |
- BuildZoom verified this license was active as of June 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | MA140431 |
| Status | Active |
| County | Douglas County |
| Type | Mechanical A |
- BuildZoom verified this license was active as of September 2025.
Verify this license's status for Aok plumbing & HVAC Services at the Douglas County Building Division.
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 July, 2018. Check the current license status of Aok plumbing & HVAC Services 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
| Status | Active |
| City | Denver |
- When BuildZoom last verified this license, it had an expiration date of July, 2021. Check the current license status of Aok plumbing & HVAC Services 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.
Inactive License
| License # | 1902521 |
| 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 Aok plumbing & HVAC Services at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | MEC4863834 |
| 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 Aok plumbing & HVAC Services at the City of Lafayette.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | P140073 |
| Status | Inactive |
| County | Douglas County |
| Type | Plumbing |
- According to the Douglas County Building Division, 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 Aok plumbing & HVAC Services at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
39
Permits
- Building permit records show that Aok plumbing & HVAC Services has worked on 39 permitted projects.
Aok plumbing & HVAC Services Employees
AT
Alan K Terry
Owner
AT
Alan Terry