✓

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

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Clean record

No complaints or disciplinary actions

California licensing requirements →

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R & D CONSTRUCTION CO INC

License Number: 825438
State: California
Status: active
Business Type: Corporation
Address: 224 ELMIRA STREET SAN FRANCISCO, CA, 94124 San Francisco County
Phone: (415) 710 3828

License Dates

Issued

10/03/2003

Expires

01/31/2027

Expires in 10 months

Reissued

01/08/2013

CSLB Last Updated

05/16/2025

License Classifications

B| C36 B| C36

Personnel & Officers

CAO DAVID DE ZHENG

Responsible Managing Officer/Chief Executive Officer/President

BC36

Active

Contractor Bond

Bonded

Amount: $25,000

Company: NORTH RIVER INSURANCE COMPANY (THE)

Bond #04CF613419

Effective: 01/08/2023

Workers' Compensation

Has policy

Carrier: STATE COMPENSATION INSURANCE FUND

Policy #9059116

Effective: 06/04/2013

Expires: 06/04/2026

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)

otc alterations permit

2609 Diamond St, 94131

provide shoring permit see ref 2019 0109 8136. provide shoring plan for work to be performed in garage @ (e) bldg.

cancelled

otc alterations permit

160 Liberty St, 94110

revision to permit 202504245181 to underpin corner of existing foundation and new footing at post.

filed

additions alterations or repairs

1824 Anza St, 94118

horizontal extension,addition of 1 master bedroom & bathroom on each floor, new roof deck, enlarge garage, replace front stairs (entryway).

$125,000

cancelled

otc alterations permit

108 Westwood Dr, 94112

1st flr:excavate 1'-5" to meet ceiling hgts & full slab replacement. construct 2 new master beds with suite bath; family room, laundry, powder room. install new existing windows at bath room, family r

$400,000

2025-12-11

issued

otc alterations permit

156 Liberty St, 94110

revision 202308305610- modify interior layout, (n) hot tub on 4th level new elevator modify. penthouse roof and overhang, repair front windows in kind. modify west side windows and rear doors, modify

$35,000

2025-10-15

issued

otc alterations permit

160 Liberty St, 94110

underpin building foundation. work limited to underpinning only. does not encroach in public right of way

$30,000

2025-09-29

complete

additions alterations or repairs

241 Mississippi St, 94107

revision to pa#202205134234 to include the following: 1) sistering new retaining wall to extg retaining wall. 2) restore extg wooden deck at the front and at the breezeway. 3)excavating the front pati

$16,000

2025-09-16

issued

otc alterations permit

241 Mississippi St, 94107

to obtain final inspection for work approved under pa#202205134234, pa#202112134325, & pa#201602038763. all work is complete.

2025-09-15

issued

additions alterations or repairs

156 Liberty St, 94110

modify planter at front to add garage below (e) bay. rear facade alterations & deck. new vertical addition at 3/f level & horizontal addition at rear of basement level. floor plan modification at all

$620,000

2025-08-15

issued

otc alterations permit

2974 26th Av, 94132

revision to pa 202502059749 revise foundation details. see clouds s2.1 and s3.2

2025-06-18

issued

Showing 10 of 312 permits

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