License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
Insured
Workers' comp coverage on file
Clean record
No complaints or disciplinary actions
Hiring this contractor?
Get alerts if their license status changes.
You're monitoring this license!
We'll email you if the license status, bond, or complaint history changes.
Something went wrong
Is this your business?
Claim your profile to manage your listing.
Claim request submitted!
We'll be in touch at the email you provided to verify your identity.
Something went wrong
UNION CONSTRUCTION COMPANY
- License Number
- 399937
- State
- California
- Status
- active
- Business Type
- Sole Owner
- Address
- 21217 WASHINGTON ST37 WALNUT, CA, 91789 Los Angeles County
- Phone
- (213) 422 5004
License Dates
Issued
02/18/1981
Expires
02/28/2027
Expires in 11 months
CSLB Last Updated
03/12/2026
License Classifications
Personnel & Officers
SHIN PAUL P W| SHIN PYUNG WOO
Sole Owner
Contractor Bond
Amount: $25,000
Company: AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond #10115149
Effective: 01/01/2023
Workers' Compensation
Carrier: AMERICAN INSURANCE COMPANY
Policy #3573502
Effective: 02/15/2026
Expires: 02/15/2027
CSLB designation: Workers' Compensation Insurance
Complaints & Disciplinary History
This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.
Building Permits
Source: LA City Open Data (LADBS)
Bldg-Alter/Repair — 1 or 2 Family Dwelling
114 -114 N OXFORD AVE, 90004
SUPPLEMENTAL PERMIT TO 18010-10000-02828 FOR THE ADDITION OF TOTAL T
$10,000
2020-06-30
Bldg-New — 1 or 2 Family Dwelling
1236 -1236 W 37TH PL, 90007
NEW DUPLEX
$325,000
2020-03-12
Bldg-New — 1 or 2 Family Dwelling
1238 -1238 W 37TH PL, 90007
NEW 2 STORY SINGLE FAMILY DWELLING
$295,000
2020-03-12
Bldg-Alter/Repair — 1 or 2 Family Dwelling
112 -112 N OXFORD AVE, 90004
SUPPLEMENTAL TO PERMIT # 18010-10000-02790 TO REVISE ARCHITECTURAL AND
$501
2020-01-08
Bldg-New — 1 or 2 Family Dwelling
114 -114 N OXFORD AVE, 90004
NEW 3-STORY DUPLEX OVER NEW PARKING & RECREATION ROOM WITH 1/2 BATH AT
$385,000
2019-12-12
Bldg-New — 1 or 2 Family Dwelling
112 -112 N OXFORD AVE, 90004
NEW 2-STORY DUPLEX AT FRONT OF THE LOT. NFPA-13D FIRE SPRINKLERS REQ'
$285,000
2019-12-12
Bldg-New — 1 or 2 Family Dwelling
1154 -1154 S ARDMORE AVE, 90006
NEW DUPLEX (B) WITH ATTACHED CARPORT. **2 OF 2**
$321,145
2019-06-04
Bldg-New — 1 or 2 Family Dwelling
1152 -1152 S ARDMORE AVE, 90006
NEW DUPLEX (A) WITH ATTACHED CARPORT **1 OF 2**
$321,145
2019-06-04
Bldg-Alter/Repair — 1 or 2 Family Dwelling
16823 -16823 W ADDISON ST, 91436
SUPPLEMENTAL PERMIT TO 17010-10000-03588 TO REVISE THE HEIGHT TO SHOW
$501
2019-04-22
Bldg-Alter/Repair — Commercial
505 -505 S VERMONT AVE, 90020
TENANT IMPROVEMENT INCLUDING DISABLED TOILET
$20,000
2019-01-24
Showing 10 of 13 permits
Verify this record on the official state licensing board
View on Contractors State License Board (CSLB) →Learn how to verify contractor licenses in California
California licensing guide →Data sourced from official state licensing board records. Always confirm critical information directly with the state board.
Verify Another Contractor
Homeowner Resources
Other Licensed A| B| C33 in WALNUT
WBE CONSTRUCTION
ALLIE BRIDGE ENERGY SOLUTIONS DBA WBE CONSTRUCTION
License #1106240 · CA
J AIRCON INC
License #1107914 · CA
OXFORD INTELLIGENT ENERGY CO LTD
License #1108845 · CA
AURUM CONSTRUCTION
License #1111999 · CA
YMY CONSTRUCTION INC
License #1112215 · CA