Updated: Jun 16, 2026
Location and Projects
Address
3190 18TH ST, Boulder, CO, 80304
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Karen S Thomas Architect
Karen S Thomas, 3190-18 Th St, Boulder, CO (Employee: Thomas Karen Sue) holds a Architect license and 3 other licenses according to the Colorado license board.
Their BuildZoom score of 91 ranks in the top 37% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Karen S Thomas, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Karen S Thomas Services
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Karen S Thomas Contact Information
Address: 3190 18TH ST, Boulder, CO 80304
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This is a sample of this contractor's permits. Click here to access their complete permit history.
As built - basement finish w/new 3/4 bathroom
Valuation:
$16,333
Permit #:
19-RES0515
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
As built - storage shed addition
Valuation:
$4,020
Permit #:
19-UTIL0319
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
2140 sf wood frame new single family dwelling on 1336 sf finished & 804 sf unfinished walkout basement w/964 sf attached garage 9x11 covered patio 29x12 covered deck 11x18 porch 1 0-clearance fireplace air conditioning
Valuation:
$0
Permit #:
BCR13-00938
Status:
Issued
Fee:
$6,010
Permit Type:
N/A
Building Type:
N/A
Re-permit of expired bcr16-00194 - 3840 sf pole frame detached garage on slab - 1/2 bathroom & wood burning stove - includes utilties - for personal use
Valuation:
$0
Permit #:
ASN18-0080
Status:
In Review
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
3840 sf pole frame detached garage on slab - interior finish for one 1/2 bathroom includes wood stove - includes utilties - for personal use
Valuation:
$0
Permit #:
BCR16-00194
Status:
In Review
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Furnace
Valuation:
$3,525
Permit #:
M11-0144
Status:
final
Fee:
$157
Permit Type:
Single family det
Building Type:
N/A
Dedicated circuit new furnace
Valuation:
$200
Permit #:
E11-0198
Status:
final
Fee:
$48
Permit Type:
Single family det
Building Type:
N/A
Basement remodel 600 sq ft + egress window
Valuation:
$10,600
Permit #:
B12-0065
Status:
final
Fee:
$298
Permit Type:
Miscellaneous
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Karen S Thomas License info
Verified License
| License # | 304372 |
| Status | Active |
| State | Colorado |
| Type | Architect |
| Date Issued | 11-01-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Karen S Thomas at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | C19609 |
| Status | Active |
| State | California |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of November, 2025. Check the current license status of Karen S Thomas with the California Architect License Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | ARC.00304372 |
| Status | Active |
| State | Colorado |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of October, 2017. Check the current license status of Karen S Thomas with the Colorado Division of Professions and Occupations
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | ARC-304372 |
| Status | Active |
| State | Colorado |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of October, 2015. Check the current license status of Karen S Thomas with the Colorado Division of Professions and Occupations
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
Karen S Thomas Employees
KT
Karen S Thomas
Owner
TS
Thomas Karen Sue
Owner