Knickerbocker Construction Services Inc

Report card

• Licence activeCSLB #871993, class B. Issued 2 Feb 2006, expires 30 Jun 2027.
• Licensed 21 yrsSince 2 Feb 2006.
• Bonded$25,000 with American Contractors Indemnity Company, since 1 Jan 2023. California requires the same $25,000 bond of every contractor.
• Workers' comp insuredState Compensation Insurance Fund, policy 9050098, valid to 27 Mar 2027.
• Clean CSLB recordNo citations, complaints or legal actions disclosed.CSLB record
• On the BBB, not accreditedIts BBB rating, complaints and reviews are on its Better Business Bureau profile.BBB profile Complaints Reviews
• 10 building permits since 2020Naming this business as the contractor (City of San Diego), most recently 13 Feb 2025.

Checked against the Contractors State License Board (CSLB) register on 4 Nov 2026.

About Knickerbocker Construction Services Inc

People on the licence

William Guy Knickerbocker (CEO and president), Christina Marie Knickerbocker (qualifier)

Recent permits

Building permits pulled under licence #871993, from City of San Diego open data, which names contractors up to 2 Nov 2026. Locations are shown to ZIP code only.

• 13 Feb 2025 · Mechanical PmtTo demolish portion of existing lockers, and an office. rebuild 2 multi purpose studios at existing YMCA building.
• 13 Feb 2025 · Plumbing PmtTo demolish portion of existing lockers, and an office. rebuild 2 multi purpose studios at existing YMCA building.
• 13 Feb 2025 · Electrical PmtTo demolish portion of existing lockers, and an office. rebuild 2 multi purpose studios at existing YMCA building.
• 13 Feb 2025 · Building PermitTo demolish portion of existing lockers, and an office. rebuild 2 multi purpose studios at existing YMCA building.
• 29 Sep 2023 · Approval - Construction - Fire Pmt - AlarmFire Alarm Affidavit (0 Devices / Appliances) for PRJ-1099320

Why it ranks #1122 of 2,851 general contractors in San Diego

Score 65 / 100. Claiming this listing or using Theo never changes it. How we rank