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Location and Projects

Address
Mercer Island, WA, 98040
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Kofranek, Jan J Architect

Kofranek, Jan J at Mercer Island, WA 98040, held a Architect license (#2203) with the Washington contractors license board with an expiration date of 10-01-2014. We last verified the license was inactive on 07-13-2026.

Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 128,670 Washington contractors.

If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.

Kofranek, Jan J Contact Information

Building Permits by Kofranek, Jan J

Sort by: Notable Notable | Date Date | Job Value Job Value
Construction addition or alteration
2016-11-03
Construct alterations to existing single family residence for adu on the ground floor per plan
Valuation:
$12,000
Permit #:
6537912
Status:
Permit Issued
Fee:
$580
Permit Type:
Single family du...
Building Type:
N/A
Construction addition or alteration
2006-02-17
Facade renovations with new windows + finish plus infill addition for existing exterior stair to basement at existing office building per plan no change of use or occupancy this permit
Valuation:
$72,000
Permit #:
6080121
Status:
Permit Closed
Fee:
$2,125
Permit Type:
Commercial
Building Type:
N/A
Construction addition or alteration
2010-06-21
Alterations to establish 6th apartment unit in existing apartment building and occupy per plan
Valuation:
$5,000
Permit #:
6243498
Status:
Permit Closed
Fee:
$543
Permit Type:
Multifamily
Building Type:
N/A
Residential building - addition-improvement
2004-02-18
600sq ft single story addition addition front and rear porch new detached garage and shop
Valuation:
$92,348
Permit #:
B03M2323
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construction permit
2011-12-21
Alterations to establish 6th apartment unit in existing apartment building and occupy per plan
Valuation:
$5,000
Permit #:
6243498-CN
Status:
complete
Fee:
$543
Permit Type:
Add/alt
Building Type:
Multifamily

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