Updated: Jun 23, 2026
Location and Projects
Address
4611 S CLARKSON ST ENGLEWD 801..., Englewood, CO, 80113
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Welker Carl L Architect
Welker Carl L, 4611 S Clarkson St, Englewood, CO (Owned by: Carl Welker Construction) holds a Architect license and 13 other licenses according to the Westminster license board.
Their BuildZoom score of 101 ranks in the top 12% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Welker Carl L, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Welker Carl L Services
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Welker Carl L Contact Information
Phone Number: (303) 953-2488
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Address: 4611 S CLARKSON ST ENGLEWD 801..., Englewood, CO 80113
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Interior remodel and addition of carport - removing wall in kitchen/living rooms - move kit. sink new washer box replacing interior & exterior doors bathroom remodel new appliances installed - adding new roofing materials & new 11 x 24 carport on south side of house - all electrical work on permit b201900228 - see work scope on plans
Valuation:
$9,800
Permit #:
B201900719
Status:
complete
Fee:
$534
Permit Type:
N/A
Building Type:
N/A
Marijuana inspection
Valuation:
N/A
Permit #:
MSC201411
Status:
final
Fee:
N/A
Permit Type:
Other
Building Type:
N/A
Marijuana inspection
Valuation:
N/A
Permit #:
MSC191207
Status:
final
Fee:
$500
Permit Type:
Marijuana conversion
Building Type:
N/A
Marijuana inspection
Valuation:
N/A
Permit #:
MSC191455
Status:
final
Fee:
$500
Permit Type:
Marijuana conversion
Building Type:
N/A
Courtsey marijuana
Valuation:
N/A
Permit #:
MSC191441
Status:
final
Fee:
$500
Permit Type:
Marijuana conversion
Building Type:
N/A
Electrical work only - service upgrade from 100 to 200 amps. install can lighting rewire new kitchen layout wire addition on garage
Valuation:
$4,500
Permit #:
B201900228
Status:
complete
Fee:
$944
Permit Type:
N/A
Building Type:
N/A
Whole house remodel - remove and replace all drywall and electrical and panel upgrade 200 amp - no plans
Valuation:
$20,000
Permit #:
1417890
Status:
issued
Fee:
$449
Permit Type:
Residential misce...
Building Type:
N/A
Buildingonline | karoake rooms
Valuation:
$150,000
Permit #:
1343739
Status:
issued
Fee:
$1,709
Permit Type:
Tenant improvement
Building Type:
N/A
Buildingonline | taste tea & bakery
Valuation:
$125,000
Permit #:
1347172
Status:
issued
Fee:
$1,521
Permit Type:
Tenant improvement
Building Type:
N/A
Comments: tear off 1 layer and reroof with asphalt 20 squares
Valuation:
$5,000
Permit #:
1474233
Status:
issued
Fee:
$205
Permit Type:
Roofing-rt2
Building Type:
N/A
Hook & reel -restaurant tenant finish - modified drawings
Valuation:
$4,000
Permit #:
2020-LOG-0000225
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Courtsey inspection marijuana
Valuation:
N/A
Permit #:
MSC191437
Status:
final
Fee:
$500
Permit Type:
Marijuana conversion
Building Type:
N/A
Courtesy marijuana inspection
Valuation:
N/A
Permit #:
MSC191667
Status:
final
Fee:
N/A
Permit Type:
Marijuana conversion
Building Type:
N/A
Promenade tenant improvement beau thai
Valuation:
$120,000
Permit #:
W17-1311
Status:
final
Fee:
$4,747
Permit Type:
Tenant improvement
Building Type:
N/A
Hook & reel -restaurant tenant finish
Valuation:
N/A
Permit #:
2019-COMMCON-0002508
Status:
final
Fee:
$250
Permit Type:
N/A
Building Type:
N/A
Marijuana inspection
Valuation:
N/A
Permit #:
MSC191454
Status:
final
Fee:
$500
Permit Type:
Marijuana conversion
Building Type:
N/A
Marijuana courtesy
Valuation:
N/A
Permit #:
MSC191165
Status:
final
Fee:
$500
Permit Type:
Marijuana conversion
Building Type:
N/A
Tenant finish - retail martial art
Valuation:
$29,000
Permit #:
BP-17-02719
Status:
complete
Fee:
$1,350
Permit Type:
N/A
Building Type:
Commercial/indust...
Tenant finish - remodel
Valuation:
N/A
Permit #:
BP-19-00163
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Garage door store entry & wall with door
Valuation:
$10,000
Permit #:
B201803383
Status:
complete
Fee:
$569
Permit Type:
N/A
Building Type:
N/A
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Welker Carl L Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Welker Carl L License info
Verified License
| License # | 1700002820 |
| Status | Active |
| City | Westminster |
| Type | Architect |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Welker Carl L at the City of Westminster, Colorado.
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 August, 2021. Check the current license status of Welker Carl L 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 # | 28059 |
| Status | Active |
| City | Thornton |
| Type | Class B Building |
- When BuildZoom last verified this license, it had an expiration date of January, 2014. Check the current license status of Welker Carl L 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 # | 25898 |
| Status | Active |
| City | Thornton |
| Type | Class B Building |
- When BuildZoom last verified this license, it had an expiration date of January, 2014. Check the current license status of Welker Carl L with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 17-2474 |
| Status | Inactive |
| Town | Castle Rock |
| Type | Contractor Limited Class B |
- According to the Castle Rock Town, 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 Welker Carl L at the Castle Rock Town, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
| Type | Building Contractor Class B |
- 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 # | 201886 |
| Status | Inactive |
| State | Colorado |
| Type | Architect |
- 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 Welker Carl L at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | Jefferson County |
| Type | Class B Contractor (Up To 3 Stories) |
| Class | Up to 3 Stories |
- 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
| License # | LIC-0009382-GENCB |
| Status | Inactive |
| City | Boulder |
| Type | General |
| Class | Class B |
- 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 Welker Carl L at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Aurora |
| Type | Commercial Building Contractor |
- According to the Aurora, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 130531026 |
| 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 Welker Carl L at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | B00227 |
| Status | Inactive |
| City | Littleton |
| Type | Class B |
- 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 Welker Carl L at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC2015057671 |
| Status | Inactive |
| City | Thornton |
| Type | Class B Building Contractor |
- 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 Welker Carl L at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC5337 |
| 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 Welker Carl L at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Insured
| Insurer | State National Insurance Co |
235
Permits
- Building permit records show that Welker Carl L has worked on 235 permitted projects.
Welker Carl L Employees
CW
Carl L. Welker
CW
Carl Welker
CC
Carl Welker Construction
Owner
W
Welker
Owner