Updated: Jun 04, 2026
Location and Projects
Address
2321 TICE VALLEY BLVD, Walnut Creek, CA, 94595
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TNK Construction Company Architect
TNK Construction Company, 2321 Tice Valley Blvd, Walnut Creek, CA (Owned by: Halaszynski Thomas A) holds a Architect license and 3 other licenses according to the California license board.
Their BuildZoom score of 94 ranks in the top 24% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring TNK Construction Company, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
TNK Construction Company Services
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TNK Construction Company Contact Information
Phone Number: (925) 586-3859
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Address: 2321 TICE VALLEY BLVD, Walnut Creek, CA 94595
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Building Permits by TNK Construction Company
This is a sample of this contractor's permits. Click here to access their complete permit history.
Bldg- interior removal of partition walls in existing building addition demising wall to create two spaces interior tenant improvement in one suite to create new doctor's office reroof entire structure with composition roofing and replace roof top units (htl)
Valuation:
N/A
Permit #:
BLD2010-01066
Status:
final
Fee:
$2,748
Permit Type:
N/A
Building Type:
N/A
5 water closets 4 lavatories 2 bathroomtubs 3 showers 1 kitchen sink 1 dishwasher 1 food waste disposal 1 clothes washer standpipe 3 gas outlets 1 water heater 1 water heater vent 1 water service 1 hose bib 1 private spa or pool 1 sewer
Valuation:
$0
Permit #:
68136
Status:
FINAL
Fee:
$552
Permit Type:
N/A
Building Type:
N/A
Bldg- interior removal of partition walls in existing building addition demising wall to create two spaces interior tenant improvement in one suite to create new doctor's office (htl)
Valuation:
N/A
Permit #:
PRJ2010-00090
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building 1 (3362 sq ft) 4 unit type vn and site work for apartment complex
Valuation:
$333,575
Permit #:
0417373
Status:
complete
Fee:
$41,124
Permit Type:
N/A
Building Type:
N/A
Addition 2story 4br/2ba w/attached 1 car garage demolish existinggarage kitchen and relocate kitchen @ existing house
Valuation:
$126,410
Permit #:
BL412160054
Status:
Finaled
Fee:
N/A
Permit Type:
Rr residential al...
Building Type:
N/A
Addition 2story 4br/2ba w/attached 1 car garage demolish existinggarage kitchen and relocate kitchen @ existing house
Valuation:
$126,410
Permit #:
BL412160054
Status:
final
Fee:
N/A
Permit Type:
Rr residential al...
Building Type:
N/A
1 furnace 1 heater 1 appliance vent 12 registers 1 air handling 5 duct or area smoke detector 3 gas outlets 1 compressor
Valuation:
$0
Permit #:
68135
Status:
FINAL
Fee:
$374
Permit Type:
N/A
Building Type:
N/A
Scanned - adding new 2 story unit (with loft) behind existing residence
Valuation:
$290,000
Permit #:
66866
Status:
FINAL
Fee:
$18,392
Permit Type:
N/A
Building Type:
N/A
11 circuits 80 electrical devices 1 motor/heater/transformer/generator 1 service/switchboard/panel/transfer switch
Valuation:
$0
Permit #:
68134
Status:
FINAL
Fee:
$307
Permit Type:
N/A
Building Type:
N/A
Building 3 ( 8269 sq ft) 4 unit type vn apartment complex
Valuation:
$438,144
Permit #:
0417575
Status:
complete
Fee:
$27,558
Permit Type:
N/A
Building Type:
N/A
478sf addition: addition mstr bedroom bathroom closet; convert exstg bedroom to library: remdl kitch; addition (4) skylts to family room icbo#2469; mv garage dr frm side to frnt entry ***plans sent to microfilm-tl 01/08*** entered by: caraigg
Valuation:
N/A
Permit #:
B2004-096958
Status:
final
Fee:
$1,076
Permit Type:
N/A
Building Type:
N/A
Dwelling addition: freestanding deck located at the front of the house
Valuation:
$10,000
Permit #:
B16-01170
Status:
final
Fee:
$912
Permit Type:
N/A
Building Type:
N/A
Electrical addition remodel and upgrade service to 100amps
Valuation:
$0
Permit #:
EL506200004
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building 4 (3362 sq ft) 4 unit type vn apartment complex
Valuation:
$176,625
Permit #:
0417576
Status:
complete
Fee:
$12,444
Permit Type:
N/A
Building Type:
N/A
Building 2 (3362 sq ft) 4 unit type vn apartment complex
Valuation:
$176,625
Permit #:
0417563
Status:
complete
Fee:
$12,444
Permit Type:
N/A
Building Type:
N/A
Demolish 1 story single family dwelling clear lot sewer cap requirement
Valuation:
N/A
Permit #:
07019-10000-02857
Status:
applied
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install air conditioning and heating system
Valuation:
$0
Permit #:
ME506200002
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Sf/add alt: addition to create master suite laundry & pantry area
Valuation:
$50,685
Permit #:
B00-029-254
Status:
final
Fee:
$1,848
Permit Type:
Dwellings
Building Type:
N/A
Bldg- addition new electrical room and door opening for new adjacent space (htl). (nt)
Valuation:
N/A
Permit #:
BLD2010-01409
Status:
final
Fee:
$371
Permit Type:
N/A
Building Type:
N/A
Elect for 478sf addition; remdl kitchen****sup: addition 200a upgrade--pc 7/27/05**** entered by: maclymanj
Valuation:
N/A
Permit #:
E2005-001722
Status:
final
Fee:
$192
Permit Type:
N/A
Building Type:
N/A
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Verified License
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TNK Construction Company License info
Verified License
| License # | C27436 |
| Status | Active |
| State | California |
| Type | Architect |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of July 2025.
Verify this license's status for TNK Construction Company at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 796521 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for TNK Construction Company at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 848478 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- According to the California Contractors State License 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 TNK Construction Company at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 691216 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- According to the California Contractors State License 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 TNK Construction Company at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Clear Spring Property & Casualty Company |
11
Permits
- Building permit records show that TNK Construction Company has worked on 11 permitted projects.
TNK Construction Company Employees
CK
Chia Yu Ko
Officer
CK
Chia Yu Ko
Officer
FT
Fan Wen Tsen
Rmo
HA
Halaszynski Thomas A
Owner
KT
Kent Tsen
Ceo / President
KT
Kent Tsen
Ceo / President
TH
Thomas Adam Halaszynski
Sole Owner
TC
Timothy Arthur Conner
Owner