✓

License is active

Source: Contractors State License Board (CSLB)

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Licensed

Current and in good standing

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Bonded

$25,000 surety bond

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WC exempt

No employees — exempt from requirement

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Clean record

No complaints or disciplinary actions

California licensing requirements →

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ONE SQUARE BUILDERS

License Number: 707752
State: California
Status: active
Business Type: Sole Owner
Address: 320 G STREET RAMONA, CA, 92065 San Diego County
Phone: (760) 522 1202

License Dates

Issued

06/06/1995

Expires

06/30/2027

Expires in 15 months

CSLB Last Updated

07/17/2025

License Classifications

B General Building Contractor

Personnel & Officers

KNIFF DAVID JAMES

Sole Owner

Active

Contractor Bond

Bonded

Amount: $25,000

Company: NATIONWIDE MUTUAL INSURANCE COMPANY

Bond #7901232347

Effective: 02/14/2025

Workers' Compensation

Exempt

Owner/officer with no employees — exempt from WC requirement

CSLB designation: Exempt

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)

New Residential Acc Structure — 4360 - RES - Garages For SFD/Duplex

320 G ST, CA

Cross street: 3RD STREET Foundation: SLAB Description of Work: 440 SQ FT DETACHED GARAGE FOR EXISTING SFD

Open

Residential Alteration-Addn — 8010 - ACC - Plumbing Only

1057 05TH ST, RAMONA, CA 92065

Cross street: G STREET Description of Work: ADDING SUMP PUMP FOR ROOM ADDITION

2017-07-24

Issued Expired

Residential Alteration-Addn — 4340 - RES - Addition/Alter To SFD/Duplex

1057 05TH ST, RAMONA, CA 92065

Cross street: G Street Description of Work: 896 sq. ft. sfd addition; 162 sq. ft. trellis/patio; 100 sq. ft. tower entry, misc. electric for (E) SFD. 10-18-17 PLAN CHANGE: SEE C OF A FOR DETAILS

2017-05-31

Completed

Commercial Alteration-Addn — 4380 - COM - Tenant Improvement

23642 SAN VICENTE RD, RAMONA, CA 92065

Cross street: GUNN STAGE RD Description of Work: EXTERIOR AND INTERIOR REPAIR TO EXISTING COMMERCIAL BUILDING DUE TO AUTOMOBILE ACCIDENT

2014-10-17

Issued Expired

Residential Alteration-Addn — 4340 - RES - Addition/Alter To SFD/Duplex

24451 RUTHERFORD RD, RAMONA, CA 92065

Cross street: ACANTO DR. Description of Work: CONVERSION OF 746 SF OF BASEMENT AND CRAWLSPACE TO HABITABLE ADDITION (FAM RM/BDRM/BATHTO EXST SFD. 5/7/15-PERMIT RENEWED AT 25%. RENEWAL VALID FOR ONE

2014-05-22

Completed

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Data sourced from official state licensing board records. Always confirm critical information directly with the state board.