Updated: Jul 10, 2026
Location and Projects
Address
2585 S RARITAN ST, Englewood, CO, 80110
Use our bidding system to
request a quote
Gustafson Heating and Air Conditioning I
Gustafson Heating and Air Conditioning I, 2585 S Raritan St, Englewood, CO (Owned by: Jack Gustafson) holds a Mechanical license and 26 other licenses according to the Castle Rock license board.
Their BuildZoom score of 110 ranks in the top 4% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Gustafson Heating and Air Conditioning I, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Gustafson Heating and Air Conditioning I Services
Start a project today:
Gustafson Heating and Air Conditioning I Contact Information
Phone Number: (303) 594-0685
Edit
Address: 2585 S RARITAN ST, Englewood, CO 80110
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Gustafson Heating and Air Conditioning I Englewood
Quality
110
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Gustafson Heating and Air Conditioning I has a BuildZoom score of 110, which places them above 96% of 55,949 contractors in Colorado.
Activity
|
2 projects
|
2026 |
|
421 projects
|
2025 |
|
251 projects
|
2024 |
|
321 projects
|
2023 |
Our building permit records indicate that Gustafson Heating and Air Conditioning I has worked on at least
995.0 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
|
585 projects
|
New Constructions |
|
4 projects
|
Home Additions |
|
3 projects
|
Commercial Renovations |
|
971 projects
|
HVAC projects |
|
312 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Gustafson Heating and Air Conditioning I mostly works on
hvac project
and new construction
projects.
Pricing
|
8 projects
|
< $5k |
|
320 projects
|
$5k-$20k |
|
22 projects
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
|
33 projects
|
$100k-$250k |
|
329 projects
|
$250k-$500k |
|
160 projects
|
$500k-$1mil |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $303,104. 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.
Building Permits by Gustafson Heating and Air Conditioning I
This is a sample of this contractor's permits. Click here to access their complete permit history.
Steamboat - d 2018 irc 2023 nec fin walkout (1165) craw
Valuation:
$880,261
Permit #:
RES25-00585
Status:
final
Fee:
$24,704
Permit Type:
New sf detached
Building Type:
N/A
Silverthorne - c 2018 irc 2023 nec unfinished walkout (
Valuation:
$637,900
Permit #:
RES25-00466
Status:
final
Fee:
$18,309
Permit Type:
New sf detached
Building Type:
N/A
Emerald lake - c 2018 irc 2023 nec unfinished basement (
Valuation:
$421,489
Permit #:
RES25-00462
Status:
approved
Fee:
$12,528
Permit Type:
New sf detached
Building Type:
N/A
Vail - d 2018 irc 2023 nec unfinished basement (1259) cr
Valuation:
$798,009
Permit #:
RES25-00456
Status:
final
Fee:
$22,662
Permit Type:
New sf detached
Building Type:
N/A
Emerald lake - a 2018 irc 2023 nec unfinished basement
Valuation:
$421,489
Permit #:
RES25-00345
Status:
issued
Fee:
$12,528
Permit Type:
New sf detached
Building Type:
N/A
Columbine - d 2018 irc 2023 nec finished basement (1384
Valuation:
$609,102
Permit #:
RES25-00416
Status:
final
Fee:
$17,554
Permit Type:
New sf detached
Building Type:
N/A
Sedalia c 2018 irc 2023 nec unfinished walkout (803) cra
Valuation:
$553,352
Permit #:
RES25-00405
Status:
final
Fee:
$16,082
Permit Type:
New sf detached
Building Type:
N/A
Palisade - a 2018 irc 2023 nec unfinshed walkout basem
Valuation:
$621,016
Permit #:
RES25-00292
Status:
issued
Fee:
$17,994
Permit Type:
New sf detached
Building Type:
N/A
Emerald lake - a 2018 irc 2023 nec unfinished basement
Valuation:
$421,489
Permit #:
RES25-00319
Status:
final
Fee:
$12,528
Permit Type:
New sf detached
Building Type:
N/A
Silverthorne - a 2018 irc 2023 nec unfinished walkout
Valuation:
$640,694
Permit #:
RES25-00314
Status:
final
Fee:
$18,383
Permit Type:
New sf detached
Building Type:
N/A
Silverthorne a 2018 irc 2023 nec unfinished walkout bas
Valuation:
$640,694
Permit #:
RES25-00309
Status:
issued
Fee:
$18,508
Permit Type:
New sf detached
Building Type:
N/A
Emerald lake - a 2018 irc 2023 nec finshed basement (8
Valuation:
$429,642
Permit #:
RES25-00285
Status:
approved
Fee:
$12,750
Permit Type:
New sf detached
Building Type:
N/A
Royal arch - a 2018 irc 2023 nec finshed basement (108
Valuation:
$465,030
Permit #:
RES25-00284
Status:
approved
Fee:
$13,722
Permit Type:
New sf detached
Building Type:
N/A
Columbine- c 2018 irc 2023 nec finshed basement (1384
Valuation:
$606,852
Permit #:
RES25-00163
Status:
final
Fee:
$17,490
Permit Type:
New sf detached
Building Type:
N/A
Fairmount - c 2018 irc 2023 nec finshed walkout baseme
Valuation:
$687,159
Permit #:
RES25-00162
Status:
final
Fee:
$19,737
Permit Type:
New sf detached
Building Type:
N/A
Royal arch - a 2018 irc 2023 nec finshed basement (108
Valuation:
$465,030
Permit #:
RES25-00118
Status:
final
Fee:
$13,847
Permit Type:
New sf detached
Building Type:
N/A
Royal arch - d 2018 irc 2023 nec fin basement 1083 sq ft
Valuation:
$465,502
Permit #:
RES25-00067
Status:
final
Fee:
$13,856
Permit Type:
New sf detached
Building Type:
N/A
Maroon bells - c 2018 irc 2023 nec finshed basement (1
Valuation:
$444,823
Permit #:
RES25-00066
Status:
final
Fee:
$13,163
Permit Type:
New sf detached
Building Type:
N/A
Emerald lake - d 2018 irc 2023 nec fin basement 817 sqft
Valuation:
$430,585
Permit #:
RES25-00065
Status:
final
Fee:
$12,776
Permit Type:
New sf detached
Building Type:
N/A
Boulder - d 2018 irc 2023 nec unfinshed basement (1293
Valuation:
$481,038
Permit #:
RES25-00011
Status:
final
Fee:
$14,409
Permit Type:
New sf detached
Building Type:
N/A
Similar Contractors See more
License # CR24-0149
Parker, CO
129
BZ Score
$4.5K
Avg Project
-
Projects
128
BZ Score
$8.7K
Avg Project
-
Projects
License # CR25-0822
Englewood, CO
134
BZ Score
$6.7K
Avg Project
-
Projects
Gustafson Heating and Air Conditioning I Reviews
BuildZoom hasn't received any reviews for Gustafson Heating and Air Conditioning I. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you an HVAC pro in your area today
We'll search our vast network of HVAC Pros and connect
you with one that meets your needs today.
Verified License
BuildZoom confirmed this contractor's license
Gustafson Heating and Air Conditioning I License info
Verified License
| License # | CR24-0078 |
| Status | Active |
| Town | Castle Rock |
| Type | Mechanical |
| Date Issued | 02-11-2026 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Gustafson Heating and Air Conditioning I at the Castle Rock Town, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CL-11448 |
| Status | Active |
| City | Centennial |
| Type | General |
| Class | HVAC |
| Date Issued | 09-19-2025 |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Gustafson Heating and Air Conditioning I at the Centennial Community Development Contractor Licensing.
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 July 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | Refrigeration B |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LIC-0006488-MECHB |
| Status | Active |
| City | Boulder |
| Type | Mechanical |
| Class | Class B Commercial and Residential |
| Date Issued | 10-30-2025 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Gustafson Heating and Air Conditioning I at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 060531112 |
| Status | Active |
| City | Westminster |
| Type | General Contractor |
| Date Issued | 11-07-2025 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Gustafson Heating and Air Conditioning I at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Aurora |
| Type | Mechanical Systems Contractor |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | MA94021 |
| Status | Active |
| County | Douglas County |
| Type | Mechanical A |
- BuildZoom verified this license was active as of October 2025.
Verify this license's status for Gustafson Heating and Air Conditioning I at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | D11074 |
| Status | Active |
| City | Littleton |
| Type | Contractor |
| Date Issued | 12-29-2025 |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Gustafson Heating and Air Conditioning I at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LCC2015006436 |
| Status | Active |
| City | Thornton |
| Type | Class D Mechanical Expires 2027 06 04 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Gustafson Heating and Air Conditioning I at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC4153 |
| Status | Active |
| City | Arvada |
| Type | Contractor |
| Date Issued | 04-29-2026 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Gustafson Heating and Air Conditioning I at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Gustafson Heating and Air Conditioning I at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 3039226289 |
| Status | Active |
| City | Denver |
| Type | H & V A |
- When BuildZoom last verified this license, it had an expiration date of March, 2024. Check the current license status of Gustafson Heating and Air Conditioning I 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 |
| Type | Refrigeration B |
- When BuildZoom last verified this license, it had an expiration date of August, 2024. Check the current license status of Gustafson Heating and Air Conditioning I 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 |
| Type | H & V A |
- When BuildZoom last verified this license, it had an expiration date of March, 2024. Check the current license status of Gustafson Heating and Air Conditioning I 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 |
| County | Jefferson County |
| Type | Class B Mechanical (Up To 3 Stories) |
| Class | Up to 3 Stories |
- When BuildZoom last verified this license, it had an expiration date of December, 2023. Check the current license status of Gustafson Heating and Air Conditioning I with the Jefferson County Licensed Contractors
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | LIC-0006488 |
| Status | Active |
| City | Boulder |
| Type | Mechanical |
| Class | Class B Commercial & Residential |
- When BuildZoom last verified this license, it had an expiration date of December, 2018. Check the current license status of Gustafson Heating and Air Conditioning I with the Boulder Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 28068 |
| Status | Active |
| City | Thornton |
| Type | Mechanical |
- When BuildZoom last verified this license, it had an expiration date of March, 2016. Check the current license status of Gustafson Heating and Air Conditioning I with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 26209 |
| Status | Active |
| City | Thornton |
| Type | Mechanical |
- When BuildZoom last verified this license, it had an expiration date of March, 2016. Check the current license status of Gustafson Heating and Air Conditioning I with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 0006488 |
| Status | Active |
| City | Boulder |
| Type | Mechanical Class B Commercial & Residential |
- When BuildZoom last verified this license, it had an expiration date of March, 2016. Check the current license status of Gustafson Heating and Air Conditioning I with the Boulder Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 7M-0131 |
| Status | Active |
| City | Arvada |
| Type | Bid Contractor, Mechanical |
- When BuildZoom last verified this license, it had an expiration date of March, 2016. Check the current license status of Gustafson Heating and Air Conditioning I with the The City of Arvada, Colorado
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CEN-13-01851 |
| Status | Active |
| City | Centennial |
| Type | HVAC Contractor |
- BuildZoom has not verified this license since July, 2015.
Verify this license's status for Gustafson Heating and Air Conditioning I at the Centennial Community Development Contractor Licensing.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 24091 |
| Status | Active |
| City | Thornton |
| Type | Mechanical |
- When BuildZoom last verified this license, it had an expiration date of March, 2016. Check the current license status of Gustafson Heating and Air Conditioning I with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 22-099284 |
| 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 Gustafson Heating and Air Conditioning I at the City of Lafayette.
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | CR23-0103 |
| Status | Unable To Verify |
| Town | Castle Rock |
| Type | Mechanical |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | 03-0062 |
| Status | Unable To Verify |
| Town | Castle Rock |
| Type | Mechanical |
- BuildZoom was not able to verify this license with the licensing board
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.
110
BuildZoom Score
Insured
| Insurer | Owners Ins |
Insured
| Workers Comp Provider | Pinnacol |
5.2K
Permits
- Building permit records show that Gustafson Heating and Air Conditioning I has worked on 5170 permitted projects.
Gustafson Heating and Air Conditioning I Employees
GT
Gardner Thomas
Owner
GI
Gustafson Heating & A/C Inc
Mechanical
GI
Gustafson Htg A C Inc
Owner
GI
Gustafson Htg A C Inc
Owner
JG
Jack Gustafson
Owner
JC
Jack M Gustafson & Teresa Cox
Owner
JM
Jeramie Mardis
L
Leigh
Contact 2
LW
Leigh Wright
M
Mark
Contact
MM
Mike Mccartney
Owner
TG
Thomas Gardner