Updated: May 16, 2026
Location and Projects
Address
4000 AURORA AVE N, Seattle, WA, 98103
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Cobalt Construction LLC
For over two decades, Cobalt Construction LLC has provided building services throughout Seattle, specializing in residential remodels and custom home building. The company’s portfolio includes kitchen and bathroom renovations, whole-house remodels, and additions tailored for homeowners in neighborhoods such as Queen Anne, Ballard, and Capitol Hill. Cobalt Construction LLC works primarily with single-family residences and collaborates closely with architects and designers to realize clients' visions. Their approach involves using modern construction methods and a range of materials, from hardwoods and tile to sustainable options, depending on project requirements. With 26 years of experience, the company combines practical project management with a focus on contemporary living spaces suited to the varied architectural styles found across Seattle.
Cobalt Construction LLC Services
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Cobalt Construction LLC Contact Information
Phone Number: (206) 683-6382
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Address: 4000 AURORA AVE N, Seattle, WA 98103
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Building Permits by Cobalt Construction LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Puro- condo kitchen remodel- some m incl p sep, remodel of kitchen
Valuation:
N/A
Permit #:
BLD2022-0161
Status:
final
Fee:
$2,750
Permit Type:
N/A
Building Type:
N/A
Demolish garage and building new larger garage new roof deck above garage. reconfigure flatwork and drives. includes clear and grade. does not include plumbing mechanical and electrical
Valuation:
N/A
Permit #:
15 118367 BR
Status:
final
Fee:
$1,763
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen and bathrooms. does not include plumbing mechanical or electrical
Valuation:
N/A
Permit #:
19 128537 BU
Status:
final
Fee:
$689
Permit Type:
N/A
Building Type:
N/A
Seismic tie down per sehr review- project impact
Valuation:
$5,000
Permit #:
6326539-CN
Status:
complete
Fee:
$182
Permit Type:
Add/alt
Building Type:
Single family/duplex
Finish basement with no structural changes. does not include plumbing or mechanical. includes electrical
Valuation:
N/A
Permit #:
09 129649 BT
Status:
final
Fee:
$437
Permit Type:
N/A
Building Type:
N/A
Garage and bedroom addition to existing house site contact - 206-604-1997
Valuation:
N/A
Permit #:
BLD12-0042
Status:
FINALED
Fee:
$2,681,250
Permit Type:
N/A
Building Type:
N/A
New storm to exist ss stub
Valuation:
N/A
Permit #:
6319399-SS
Status:
complete
Fee:
$375
Permit Type:
Addition/alteration
Building Type:
Commercial
Building 480 sf detached garage , accessory to single family residence per plot plan subject to field inspection
Valuation:
$0
Permit #:
713093
Status:
Finaled Permit
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Centerpointe apartments: 13 garages & 2 storage units 2880 sq ft structure
Valuation:
$43,200
Permit #:
BLD-2003-03464
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Projects
164
BZ Score
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Avg Project
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Projects
164
BZ Score
$32.4K
Avg Project
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Projects
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Cobalt Construction LLC License info
Verified License
| License # | COBALCL851BN |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company, Individual |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Cobalt Construction LLC at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | COBALCL851BN |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company, Individual |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Cobalt Construction LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | COBALC 077DE |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, General |
| Business Type | Limited Liability Company, Individual |
- When BuildZoom last verified this license, it had an expiration date of January, 2017. Check the current license status of Cobalt Construction LLC with the Washington State Department of Labor & Industries
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | COBALC*077DE |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company, Individual |
- According to the Washington State Department of Labor & Industries, 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 Cobalt Construction LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
Insured
| Insurer | Developers Surety & Indem Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Developers Surety & Indem Co |
| Bond Value | $12,000 |
9
Permits
- Building permit records show that Cobalt Construction LLC has worked on 9 permitted projects.
Cobalt Construction LLC Employees
BT
Brian Tschider
Partner/Member
O
Owner
Owner
TM
TSCHIDER, ANNE M
Governing Persons
TJ
TSCHIDER, BRIAN J
Governing Persons
TJ
Tschider, Brian Jay
Owner