Updated: Jul 15, 2026
Location and Projects
Address
1898 County Rd 68, Nederland, CO, 80466
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Karen L. Siefert Architect
Karen L. Siefert, 1898 County Rd, Nederland, CO holds a Architect license and 2 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 L. Siefert, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Karen L. Siefert Services
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Karen L. Siefert Contact Information
Phone Number: (303) 477-0850
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Address: 1898 County Rd 68, Nederland, CO 80466
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Karen L. Siefert Nederland
Quality
91
63rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Karen L. Siefert has a BuildZoom score of 91, which places them above 63% of 55,949 contractors in Colorado.
Activity
|
1 project
|
2025 |
Our building permit records indicate that Karen L. Siefert has worked on at least
1.0 project over the past year.
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.
Pricing
|
1 project
|
< $5k |
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.
Roof cover
Valuation:
$4,500
Permit #:
BP-25-0704
Status:
complete
Fee:
$378
Permit Type:
N/A
Building Type:
N/A
Tenant expansion into an adjoining space and remodel of a portion of the existing tenant space for rags consignment store. remodel of approximately 820 sf to reconfigure interior wall s to modify office/admin space and create an ansi compliant restroom. includes associated mep
Valuation:
N/A
Permit #:
PMT2013-04278-PLB
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant expansion into an adjoining space and remodel of a portion of the existing tenant space for rags consignment store. remodel of approximately 820 sf to reconfigure interior wall s to modify office/admin space and create an ansi compliant restroom. includes associated mep
Valuation:
N/A
Permit #:
PMT2013-04278-MEC
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant expansion into an adjoining space and remodel of a portion of the existing tenant space for rags consignment store. remodel of approximately 820 sf to reconfigure interior wall s to modify office/admin space and create an ansi compliant restroom. includes associated mep
Valuation:
N/A
Permit #:
PMT2013-04278-ELE
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant expansion into an adjoining space and remodel of a portion of the existing tenant space for rags consignment store. remodel of approximately 820 sf to reconfigure interior wall s to modify office/admin space and create an ansi compliant restroom. includes associated mep
Valuation:
N/A
Permit #:
PMT2013-04278
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition to bedroom; garage; deck & replace retaining wall & deck w cover expired 08-06-2008
Valuation:
$100,000
Permit #:
BP-07-1443
Status:
expired
Fee:
$2,157
Permit Type:
N/A
Building Type:
N/A
Addition 2nd fl studio & stair tear off woodshake roof & reroof shingles
Valuation:
$150,000
Permit #:
BP-07-0394
Status:
expired
Fee:
$3,751
Permit Type:
N/A
Building Type:
N/A
Remodel master bedroom kitchen dining decks covered
Valuation:
$190,000
Permit #:
BP-07-0187
Status:
complete
Fee:
$4,617
Permit Type:
N/A
Building Type:
N/A
Detached garage workshop
Valuation:
$45,000
Permit #:
BP-08-0422
Status:
issued
Fee:
$1,237
Permit Type:
N/A
Building Type:
N/A
Addition covered porches to detached garage
Valuation:
$10,093
Permit #:
BP-08-1317
Status:
complete
Fee:
$433
Permit Type:
N/A
Building Type:
N/A
Tenant finish change of occupancy rags @ cherry creek 201 university blvd #120
Valuation:
$39,000
Permit #:
2014-LOG-X000717
Status:
approved
Fee:
$166
Permit Type:
N/A
Building Type:
N/A
Addition covered porches to detached garage
Valuation:
$10,093
Permit #:
BP-08-1317
Status:
complete
Fee:
$433
Permit Type:
N/A
Building Type:
N/A
Detached garage workshop
Valuation:
$45,000
Permit #:
BP-08-0422
Status:
issued
Fee:
$1,237
Permit Type:
N/A
Building Type:
N/A
Addition woodstove to workshop (bp-08-422)
Valuation:
$1,500
Permit #:
BP-08-1367
Status:
complete
Fee:
$69
Permit Type:
N/A
Building Type:
N/A
Relocation/addition of lights & outlets in kitchen area related to anticipated kitchen remodel consisting of new cabinets appliances & floor finishes. new sliding glass door in west wall & replacement sliding glass door in south wall. no plumbing no mechanical work authorized under this permit
Valuation:
N/A
Permit #:
PMT2007-04915-ELE
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Wildflower ponds office building
Valuation:
$483,826
Permit #:
C99-0062
Status:
expired
Fee:
$13,936
Permit Type:
New construction
Building Type:
N/A
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Verified License
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Karen L. Siefert License info
Verified License
| License # | 202276 |
| Status | Active |
| State | Colorado |
| Type | Architect |
| Date Issued | 11-01-2025 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Karen L. Siefert 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 # | ARC.00202276 |
| 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 L. Siefert 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-202276 |
| 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 L. Siefert 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
9
Permits
- Building permit records show that Karen L. Siefert has worked on 9 permitted projects.
Karen L. Siefert Employees
KS
Karen L. Siefert
Owner