Updated: Jun 02, 2026
Location and Projects
Address
8101 W Colfax Ave, Lakewood, CO, 80214
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Conservation Construction Architect
Conservation Construction, 8101 W Colfax Ave, Lakewood, CO (Owned by: David Haas) holds a Class C license and 28 other licenses according to the Colorado license board.
Their BuildZoom score of 111 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 Conservation Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Conservation Construction Services
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Conservation Construction Contact Information
Phone Number: (817) 416-8005
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Address: 8101 W Colfax Ave, Lakewood, CO 80214
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Conservation Construction Lakewood
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Conservation Construction has a BuildZoom score of 111, which places them above 96% of 55,949 contractors in Colorado.
Activity
|
257 projects
|
2025 |
|
178 projects
|
2024 |
|
236 projects
|
2023 |
Our building permit records indicate that Conservation Construction has worked on at least
671.0 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
|
3 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that Conservation Construction mostly works on
new construction
projects.
Pricing
|
204 projects
|
< $5k |
|
217 projects
|
$5k-$20k |
|
32 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $5,390. 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 Conservation Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace 13 windows u-factor=0.27 and 0.25 shgc=0.18 and 0.29 and 1 sliding patio door u-factor=0.29 shgc=0.17. no structural changes
Valuation:
$24,385
Permit #:
BP-25-01171
Status:
complete
Fee:
$897
Permit Type:
N/A
Building Type:
Residential singl...
Replacing 10 squares of siding 190 linear ft of soffit & fascia and 180 feet of gutters with no change to the structure
Valuation:
$23,875
Permit #:
RONE-25-01527
Status:
complete
Fee:
$706
Permit Type:
N/A
Building Type:
N/A
Removing the window above the current door to allow for a 96 tall door & replacing 3 windows w no change to structure
Valuation:
$9,150
Permit #:
BLD-2025-01234
Status:
complete
Fee:
$460
Permit Type:
N/A
Building Type:
N/A
Replacing 13 windows & 1 door with no change to the structure. u-factor 0.28 shgc 0.19
Valuation:
$12,750
Permit #:
25NGN-00414
Status:
issued
Fee:
$478
Permit Type:
N/A
Building Type:
N/A
We are replacing the back entry door with no changes to the structure. we are also installing 2 storm doors; on the back entry door as well as the front entry
Valuation:
$13,458
Permit #:
BLD-2023-01090
Status:
complete
Fee:
$604
Permit Type:
N/A
Building Type:
N/A
Replacing 5 windows with no structural changes variance request for the bedroom #2
Valuation:
$4,700
Permit #:
BP-25-01507
Status:
complete
Fee:
$209
Permit Type:
N/A
Building Type:
Residential singl...
Replacing the kitchen sliding patio door with no changes to the structure
Valuation:
$3,000
Permit #:
BP-25-01015
Status:
complete
Fee:
$146
Permit Type:
N/A
Building Type:
Residential singl...
Install 19 window no structural changes variance request attached
Valuation:
$17,483
Permit #:
BP-25-00037
Status:
complete
Fee:
$656
Permit Type:
N/A
Building Type:
Residential singl...
Replacing 24 windows & 1 door with no change to the structure
Valuation:
$25,785
Permit #:
BLD-2025-00716
Status:
complete
Fee:
$1,026
Permit Type:
N/A
Building Type:
N/A
Replacing 3 windows and 1 door with no changes to structure. window in bed 2 does not meet height requirement for egress - variance request attached
Valuation:
$11,868
Permit #:
BP-24-04460
Status:
complete
Fee:
$456
Permit Type:
N/A
Building Type:
Residential singl...
Replacing 2 basement windows with no change to the structure. there were no window well requirements in the 1991 ubc code
Valuation:
$2,261
Permit #:
BP-25-03005
Status:
issued
Fee:
$130
Permit Type:
N/A
Building Type:
Residential singl...
Residential - windows/doors (no structural changes)
2025-07-08
Replacing 14 windows & 2 doors with no change to the structure
Valuation:
$20,800
Permit #:
RES-25-00300
Status:
complete
Fee:
$621
Permit Type:
N/A
Building Type:
N/A
Buildingonline | replacing 24 squares siding & 416 linear ft soffit & fascia. no structure change
Valuation:
$36,450
Permit #:
1926390
Status:
issued
Fee:
$95
Permit Type:
Residential misce...
Building Type:
N/A
Replacing 7 windows & 4 doors w no change to structure
Valuation:
$15,000
Permit #:
MISC25-00336
Status:
final
Fee:
$355
Permit Type:
Windows
Building Type:
N/A
Replacing 10 windows & 1 door with no change to the structure
Valuation:
$11,550
Permit #:
BLD-2025-01660
Status:
complete
Fee:
$532
Permit Type:
N/A
Building Type:
N/A
Residential - windows/doors (no structural changes)
2025-05-07
Replacing 3 windows & 1 door with no change to the structure
Valuation:
$4,919
Permit #:
RES-25-00382
Status:
complete
Fee:
$179
Permit Type:
N/A
Building Type:
N/A
Residential - windows/doors (no structural changes)
2025-04-22
Replacing 7 windows & 3 doors with no change to the structure
Valuation:
$13,650
Permit #:
RES-25-00301
Status:
complete
Fee:
$425
Permit Type:
N/A
Building Type:
N/A
Replacing 3 windows & 1 door with no change to the structure
Valuation:
$5,175
Permit #:
B202500941
Status:
complete
Fee:
$266
Permit Type:
N/A
Building Type:
N/A
Residential - windows/doors (no structural changes)
2025-04-11
Replacing 3 windows & 1 door with no change to the structure
Valuation:
$6,127
Permit #:
RES-25-00215
Status:
complete
Fee:
$224
Permit Type:
N/A
Building Type:
N/A
We are widening the door opening from 5 to 8 and installing a new header to accommodate the wider opening
Valuation:
$7,160
Permit #:
MISC-10920-2025
Status:
final
Fee:
$471
Permit Type:
N/A
Building Type:
N/A
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Conservation Construction Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Conservation Construction License info
Verified License
| License # | C-CL-019 |
| Status | Active |
| Type | Class C |
| Date Issued | 11-28-2025 |
- BuildZoom verified this license was active as of April 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CR25-0775 |
| Status | Active |
| Town | Castle Rock |
| Type | Residential Contractor Class C |
| Date Issued | 10-15-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Conservation Construction at the Castle Rock Town, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 21-013104 |
| Status | Active |
| City | Lafayette |
| Type | General Class C |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Conservation Construction at the City of Lafayette.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | D40583 |
| Status | Active |
| City | Littleton |
| Type | Contractor |
| Date Issued | 01-05-2026 |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Conservation Construction at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | D15072 |
| Status | Active |
| City | Littleton |
| Type | Contractor |
| Date Issued | 01-05-2026 |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Conservation Construction at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | D Siding |
- 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 # | C060478 |
| Status | Active |
| County | Douglas County |
| Type | General C |
- BuildZoom verified this license was active as of September 2025.
Verify this license's status for Conservation Construction at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1700003016 |
| Status | Active |
| City | Westminster |
| Type | Architect |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Conservation Construction at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 061031071 |
| Status | Active |
| City | Westminster |
| Type | General Contractor |
| Date Issued | 01-08-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Conservation Construction at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC58 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Conservation Construction at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC245 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Conservation Construction 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 # | C017-0024 |
| Status | Active |
| County | Clear Creek County |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of Conservation Construction with the Clear Creek County, CO
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CON-08-7104 |
| Status | Active |
| County | Boulder County |
| Type | Miscellaneous |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Conservation Construction at the Boulder County Land Use Department.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LCC2015006167 |
| Status | Active |
| City | Thornton |
| Type | Class C Residential Contractor Expires 2026 10 20 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Conservation Construction at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC5554 |
| Status | Active |
| City | Arvada |
| Type | Contractor |
| Date Issued | 04-21-2026 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Conservation Construction at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | GC8300647 |
| Status | Active |
| Town | Litttle Elm |
| Type | General Contractor Other |
- When BuildZoom last verified this license, it had an expiration date of November, 2023. Check the current license status of Conservation Construction with the Town of Little Elm
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | GCC2913104 |
| Status | Active |
| City | Lafayette |
| Type | General Class C |
- When BuildZoom last verified this license, it had an expiration date of August, 2022. Check the current license status of Conservation Construction with the City of Lafayette
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| County | Jefferson County |
| Type | Class C Contractor (1 2 Family Dwellings) |
| Class | 1-2 Family Dwellings |
- When BuildZoom last verified this license, it had an expiration date of December, 2023. Check the current license status of Conservation Construction with the Jefferson County Licensed Contractors
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 October, 2021. Check the current license status of Conservation Construction 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.
Verified License
| Status | Active |
| Town | Parker |
| Type | Contractor, Other |
- BuildZoom has not verified this license since December, 2019.
Verify this license's status for Conservation Construction at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | C-CL-063 |
| Status | Inactive |
| Type | Class C |
- According to the local license 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.
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | 15-1372 |
| Status | Unable To Verify |
| Town | Castle Rock |
| Type | Residential Contractor Class C |
- 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
| License # | D130014 |
| Status | Inactive |
| City | Littleton |
| Type | Contractor |
- 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 Conservation Construction at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | D40261 |
| Status | Inactive |
| City | Littleton |
| Type | Class D |
- 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 Conservation Construction at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 27497 |
| Status | Inactive |
| City | Thornton |
| Type | Class C Residential Contractor, Class D Siding |
- 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 Conservation Construction at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CEN-18-00344 |
| Status | Inactive |
| City | Centennial |
| Type | B - Window Contractor License |
| Class | B |
- According to the Centennial Community Development Contractor Licensing, 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 Conservation Construction at the Centennial Community Development Contractor Licensing.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 23546 |
| Status | Inactive |
| City | Thornton |
| Type | Class C Residential Contractor, Class D Siding |
- 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 Conservation Construction at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | 25532 |
| Status | Unable To Verify |
| City | Thornton |
| Type | Class C Residential |
- 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 # | 2B-0867 |
| Status | Unable To Verify |
| City | Arvada |
| Type | Bid Contractor, Limited B |
- 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.
111
BuildZoom Score
Insured
| Insurer | Emc |
Insured
| Workers Comp Provider | Pinnacol |
5K
Permits
- Building permit records show that Conservation Construction has worked on 4952 permitted projects.
Conservation Construction Employees
CC
Conservation Construction
Limited B
CD
Conservation Construction D13
Owner
CD
Conservation Construction Corp D13
Owner
CS
Conservation Construction Corp Siding
Owner
DH
David Haas
Owner
ET
Emily Trawinski
Permit Tech
JD
John Mc Dade
Co Owner
JM
John Mcdade
Owner
JJ
John Mcdade Jr
JM
John P Mcdade
Co Owner
SK
Steve Mc Kinney
SM
Steve Mckinney
Owner
TS
Tracie Shuler
Customer Service Contact