Clear
NORTHUP CONSTRUCTION INC
License
- Status
- CLEAR
- First issued
- September 24, 1970
- Reissued
- January 7, 2016
- Expires
- January 31, 2028
- Entity
- Corporation
- Address of record
- 4769 OLD DUBLIN ROAD, Castro Valley, CA 94552
- Phone of record
- (510) 368 4180
Contractor bond
- Surety
- ATLANTIC SPECIALTY INSURANCE COMPANY
- Bond number
- 800248654
- Amount
- $25,000
- Effective
- July 25, 2026
Workers’ compensation
- Carrier
- STATE COMPENSATION INSURANCE FUND
- Policy number
- 9336897
- Effective
- April 14, 2023
- Expires
- April 14, 2027
Are they licensed for your job?
A California contractor may only contract for work their classification covers. Pick the job and this reads the license on file against it.
Licensed to perform
A contractor may only contract for work within their classifications. See all 227 licensed general building contractors in Castro Valley.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| NORTHUP KELLY WINSTON | Responsible Managing Officer/Chief Executive Officer/President | January 7, 2016 | Current |
| NORTHUP KELLY WINSTON | Sole Owner | August 25, 1997 | January 7, 2016 |
| NORTHUP KELLY WINSTON | Sole Owner | January 6, 2000 | January 1, 2004 |
| NORTHUP TIMOTHY W | Sole Owner | September 24, 1970 | August 25, 1997 |
Is this your license?
Claim this page to add your photos, description, service area and contact details. The state’s record above stays exactly as it is — claiming adds to a page, it never edits or hides anything the CSLB reports.
Source: California Contractors State License Board public records. Coverage lapse is evaluated against today’s date; all other fields reflect the latest weekly CSLB file. Confirm at the CSLB’s official record before signing a contract.