Updated: Jun 06, 2026
Location and Projects
Address
12415 DUMONT WAY #103, Littleton, CO, 80125
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Jaskola HVAC/Mechanical Contractor
Jaskola LLC, 12415 Dumont Way, Littleton, CO (Owned by: Conditioning D Buczynski) holds a Contractor license and 14 other licenses according to the Parker license board.
Their BuildZoom score of 92 ranks in the top 32% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Jaskola LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Jaskola LLC Contact Information
Phone Number: (303) 798-3880
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Address: 12415 DUMONT WAY #103, Littleton, CO 80125
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Jaskola LLC Littleton
Quality
92
68th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Jaskola LLC has a BuildZoom score of 92, which places them above 68% of 55,949 contractors in Colorado.
Activity
|
1 project
|
2024 |
|
11 projects
|
2023 |
Our building permit records indicate that Jaskola LLC has worked on at least
12.0 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
|
10 projects
|
Mechanical projects |
|
6 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Jaskola LLC mostly works on
mechanical project
and hvac project
projects.
Pricing
|
3 projects
|
< $5k |
|
3 projects
|
$5k-$20k |
The typical size of their permits is approximately $4,475. 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.
Replace existing hvac system with new high efficient furnace (160k btu 80% basement) and air conditioning (17 seer 3 ton outside backyard). both like for like replacements
Valuation:
N/A
Permit #:
BP-21-00589
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing furnace with new 80% efficient furnace
Valuation:
$3,500
Permit #:
RONE-22-03911
Status:
complete
Fee:
$145
Permit Type:
N/A
Building Type:
N/A
Replace existing furnace amd air conditioning with new furnace and air conditioning
Valuation:
$8,500
Permit #:
RONE-23-01159
Status:
expired
Fee:
$284
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel to include removing non structural wall and run new gas line for cooktop
Valuation:
$20,000
Permit #:
RES-21-00778
Status:
complete
Fee:
$905
Permit Type:
N/A
Building Type:
N/A
Replace existing furnace with new 80% efficient 80btu furnace
Valuation:
$3,500
Permit #:
RONE-22-04140
Status:
complete
Fee:
$145
Permit Type:
N/A
Building Type:
N/A
Furnace/ac combo
Valuation:
$6,500
Permit #:
23-01913
Status:
complete
Fee:
$139
Permit Type:
Furnace/AC combo
Building Type:
N/A
Replace existing furnace with new 96% efficient furnace
Valuation:
$5,000
Permit #:
RONE-21-01461
Status:
complete
Fee:
$280
Permit Type:
N/A
Building Type:
N/A
Replace existing furnace and air conditioning with new furnace and air conditioning
Valuation:
$8,000
Permit #:
2020-MECH-0000204
Status:
final
Fee:
$83
Permit Type:
N/A
Building Type:
Single family res...
Remove/replace furnace & a/c in single family home, air conditioner (ac), furnace (fr), evaporative cooler (ec) 30-day courtesy extension expires 5/24/19=ca
Valuation:
$8,113
Permit #:
18108687 00000MP
Status:
issued
Fee:
N/A
Permit Type:
Repair / Remodel
Building Type:
Residential
Replace existing furnace with new furnace
Valuation:
$5,800
Permit #:
2021-MECH-0000269
Status:
final
Fee:
$67
Permit Type:
N/A
Building Type:
Single family res...
No Description Available
Valuation:
N/A
Permit #:
23112890 00000MP
Status:
issued
Fee:
N/A
Permit Type:
Repair remodel
Building Type:
Residential
Furnace/ac combo
Valuation:
$7,500
Permit #:
22-06297
Status:
issued
Fee:
$153
Permit Type:
Furnace/AC combo
Building Type:
N/A
Furnace/ac combo
Valuation:
$8,000
Permit #:
22-03825
Status:
complete
Fee:
$153
Permit Type:
Furnace/AC combo
Building Type:
N/A
Replacement of duct work for geothermal including bathroom fans
Valuation:
$7,800
Permit #:
2018-MECH-0012973
Status:
final
Fee:
$83
Permit Type:
N/A
Building Type:
Single family res...
Air conditioner
Valuation:
$3,500
Permit #:
22-06473
Status:
issued
Fee:
$97
Permit Type:
Air conditioner
Building Type:
N/A
Residential one stop - ac/water heater/furnace
2020-08-01
Replace existing air conditioning with new ac: 13 seer 2.5 tons
Valuation:
$3,800
Permit #:
RONE-20-02630
Status:
complete
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
Replace existing furnace and air conditioning with new furnace and air conditioning
Valuation:
$7,500
Permit #:
2019-MECH-0006529
Status:
issued
Fee:
$83
Permit Type:
N/A
Building Type:
Single family res...
Remove & replace furnace and air conditioning in single family home air conditioner (ac) furnace (fr)
Valuation:
$15,999
Permit #:
18116871 00000MP
Status:
issued
Fee:
N/A
Permit Type:
Repair remodel
Building Type:
Residential
Air conditioner
Valuation:
$5,450
Permit #:
24-06135
Status:
complete
Fee:
$125
Permit Type:
Air conditioner
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
22129959 00000MP
Status:
complete
Fee:
N/A
Permit Type:
Repair remodel
Building Type:
Residential
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License # CR24-0149
Parker, CO
129
BZ Score
$4.5K
Avg Project
-
Projects
128
BZ Score
$8.7K
Avg Project
-
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License # CR25-0822
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BZ Score
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Verified License
BuildZoom confirmed this contractor's license
Jaskola LLC License info
Verified License
| License # | AEC4315 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Jaskola LLC at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | MA94052 |
| Status | Active |
| County | Douglas County |
| Type | Mechanical A |
- BuildZoom verified this license was active as of October 2025.
Verify this license's status for Jaskola LLC at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | D11020 |
| Status | Active |
| City | Littleton |
| Type | Contractor |
| Date Issued | 10-20-2025 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Jaskola LLC at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| County | Jefferson County |
| Type | Class A Mechanical (Unrestricted) |
| Class | Unrestricted |
- When BuildZoom last verified this license, it had an expiration date of December, 2023. Check the current license status of Jaskola LLC with the Jefferson County Licensed Contractors
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 24859 |
| Status | Active |
| City | Thornton |
| Type | Mechanical |
- BuildZoom has not verified this license since July, 2015.
Verify this license's status for Jaskola LLC at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CEN-13-00060 |
| Status | Active |
| City | Centennial |
| Type | HVAC Contractor |
- BuildZoom has not verified this license since July, 2015.
Verify this license's status for Jaskola LLC at the Centennial Community Development Contractor Licensing.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC202400088 |
| Status | Inactive |
| City | Thornton |
| Type | Class D Mechanical |
- According to the Thornton City Development Contractor License, 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 Jaskola LLC at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
| Type | H & V 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 |
| City | Denver |
| Type | Refrigeration 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 |
| County | Jefferson County |
| Type | Class A Mechanical (Unrestricted) |
| Class | Unrestricted |
- According to the Jefferson County Licensed Contractors, 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 |
| City | Denver |
- 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 # | E94140 |
| Status | Inactive |
| County | Douglas County |
| Type | Electrical |
- 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 Jaskola LLC at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 080531032 |
| 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 Jaskola LLC at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC5896 |
| Status | Inactive |
| City | Arvada |
| Type | Contractor |
- According to the The City of Arvada, 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 Jaskola LLC at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC2015061979 |
| Status | Inactive |
| City | Thornton |
| Type | Class D Mechanical |
- According to the Thornton City Development Contractor License, 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 Jaskola LLC at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
672
Permits
- Building permit records show that Jaskola LLC has worked on 672 permitted projects.
Jaskola LLC Employees
CB
Conditioning D Buczynski
Owner
DB
Darius Bucynski
Owner
DB
Dariusz Buczynski
Owner
DB
Derek Buczynski
Co Owner
LA
Littleton Heating & Ac
Owner
LA
Littleton Heating & Ac
Owner
LC
Littleton Heating & Air Cond
Mechanical