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License is active

Source: Contractors State License Board (CSLB)

Expires in 4 months — verify renewal before long contracts

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Licensed

Current and in good standing

✓

Bonded

$25,000 surety bond

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Insured

Workers' comp coverage on file

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Clean record

No complaints or disciplinary actions

California licensing requirements →

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CORNERSTONE COMPANY CONSTRUCTION & DEVELOPMENT

DBA: TH YOUNG INC

License Number: 919784
State: California
Status: active
Business Type: Corporation
Address: 2335 E COLORADO BLVDSTE 115 PMB 226 PASADENA, CA, 91107 Los Angeles County
Phone: (818) 288 8300

License Dates

Issued

07/24/2008

Expires

07/31/2026

Expires in 4 months — verify renewal before long contracts

CSLB Last Updated

07/18/2025

License Classifications

B General Building Contractor

Personnel & Officers

YOUNG THOMAS HENRY

Responsible Managing Officer/Chief Executive Officer/President

Active

Contractor Bond

Bonded

Amount: $25,000

Company: AMERICAN CONTRACTORS INDEMNITY COMPANY

Bond #100202708

Effective: 01/01/2023

Workers' Compensation

Has policy

Carrier: STATE COMPENSATION INSURANCE FUND

Policy #9342954

Effective: 08/23/2023

Expires: 08/23/2026

Cancelled: 04/02/2026

CSLB designation: Workers' Compensation Insurance

Complaints & Disciplinary History

No disciplinary actions on file

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

120 -120 S PLYMOUTH BLVD, 90004

CONVERT PORTION OF GARAGE/LAUNDRY TO ADU PER 65852.2(e)(1)(A). ONE CA

$150,000

2021-12-20

CofO Issued

Bldg-Alter/Repair — 1 or 2 Family Dwelling

2105 -2105 W OAK GLEN PL, 90039

SUPPLEMENTAL TO 17014-10000-06553, REVISE FOUNDATION DETAIL

$3,000

2021-04-30

Permit Finaled

Bldg-Alter/Repair — 1 or 2 Family Dwelling

72 -72 S FREMONT PL, 90005

PROPOSED INTERIOR NON-STRUCTURAL ALTERATION TO EXISTING SINGLE FAMILY

$5,000

2019-10-21

Permit Finaled

Bldg-Alter/Repair — 1 or 2 Family Dwelling

72 -72 S FREMONT PL, 90005

Interior bathroom remodel/repair (no changes in walls or openings). Ad

$9,500

2019-09-24

Issued

Bldg-Alter/Repair — 1 or 2 Family Dwelling

350 -350 S ARDEN BLVD, 90020

CONVERT (E) (18'-2" X 26'-6") DETACHED GARAGE TO ACCESSORY DWELLING UN

$25,000

2019-07-05

Issued

Bldg-Alter/Repair — 1 or 2 Family Dwelling

12848 -12848 W MILBANK ST, 91604

Replace 1 window(s). Same size, location, number, type. Sandblast/rest

$21,261

2019-05-09

Permit Finaled

Bldg-Alter/Repair — Apartment

316 -316 N ROSSMORE AVE, 90004

SUPPLEMENTAL PERMIT TO 18016-30000-25656 TO CHANGE CONTRACTOR TO CORN

2018-11-15

Issued

Bldg-Alter/Repair — 1 or 2 Family Dwelling

3676 -3676 N AMESBURY ROAD, 90027

Replace 1 door(s) Same size, location, number, type. Interior kitchen

$23,501

2018-04-02

Issued

Bldg-Alter/Repair — 1 or 2 Family Dwelling

2092 -2092 N MOUND ST, 90068

Replace drywall/plaster (patch and paint). Non-structural repair only.

$14,260

2016-12-14

Issued

Verify this record on the official state licensing board

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PASADENA, CA Exp: 10/31/2026 Bonded Insured