Tk & Associates Inc
Tk & Associates Inc is an active, licensed contractor operating in San Leandro, CA. Operating under a California contractor license established in 1980. They hold 5 license classifications including C-4 Boiler, Hot-Water Heating and Steam Fitting Contractor, C-10 Electrical Contractor, and 3 others. They currently maintain an active contractor bond and workers' compensation insurance. No disciplinary actions have been recorded against this license.
License Information
- License Number
- 395998
- Status
- Active
- Classification(s)
- C-4: Boiler, Hot-Water Heating and Steam Fitting Contractor, C-10: Electrical Contractor, C-20: Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor, C-23: Ornamental Metal Contractor, C-38: Refrigeration Contractor
- Tenure
- Licensed since 1980 (45 years)
- Issue Date
- December 03, 1980
- Expiration Date
- December 31, 2026
- Disciplinary Record
- No Disciplinary Actions
Bond & Insurance
- Contractor Bond
- Bonded ($25000) – OHIO CASUALTY INSURANCE COMPANY (THE)
- Workers’ Compensation
- Workers' Compensation Insurance – HARTFORD CASUALTY INSURANCE COMPANY
A contractor’s bond protects consumers up to the bond amount if the contractor fails to fulfill contractual obligations or violates CSLB regulations.
Workers’ compensation insurance protects homeowners from liability if a contractor’s employee is injured on the job site.
Location
- Address
- 14130 WASHINGTON AVENUE
- City
- San Leandro, CA
- ZIP Code
- 945783325
- Phone
- (510) 357-1570
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About These License Types
C-4: Boiler, Hot-Water Heating and Steam Fitting Contractor
Installs, services, and repairs power boiler installations, hot-water heating systems and steam fitting, including fire-tube and water-tube boilers, piping, fittings, valves, gauges, pumps, radiators, fuel oil tanks, chimneys, flues, and associated solar heating equipment.
Not authorized: Does not include warm-air heating or air conditioning systems (see C-20).
C-10: Electrical Contractor
Places, installs, erects, or connects electrical wires, fixtures, appliances, apparatus, raceways, conduits, solar photovoltaic cells, or any part thereof which generate, transmit, transform, or utilize electrical energy.
Not authorized: Electricians working under a C-10 must be certified per CA Labor Code.
C-20: Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor
Fabricates, installs, maintains, services, and repairs warm-air heating systems and water heating heat pumps, ventilating systems, air-conditioning systems, and the ducts, registers, flues, humidity and thermostatic controls and air filters in connection with these systems. Includes solar-powered HVAC systems.
Not authorized: Does not include boiler or steam heating (see C-4) or refrigeration below 50F (see C-38).
C-23: Ornamental Metal Contractor
Assembles, casts, cuts, shapes, forges, welds, fabricates, and installs brass, bronze, copper, cast iron, wrought iron, stainless steel, and other metals for architectural treatment and ornamental decoration of structures.
Not authorized: Does not include the work of a sheet metal contractor (see C-43).
C-38: Refrigeration Contractor
Constructs, fabricates, erects, installs, maintains, services, and repairs refrigerators, refrigerated rooms, insulated spaces, temperature insulation, air-conditioning units, ducts, blowers, and thermostatic controls for temperatures below 50 degrees Fahrenheit (10 degrees Celsius).
Not authorized: Temperatures above 50F fall under C-20 HVAC.
Licensing Resources
Workers' comp requirements for California contractors
Deposit and payment rules for California contracts
Home improvement contract requirements
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License data sourced from the California Contractors State License Board. Last data update: April 05, 2026.