Granko Av
Granko Av is an active, licensed contractor operating in Sonoma, CA. Operating under a California contractor license established in 2019. They hold C-7 Low Voltage Systems Contractor and D03 Awnings licenses. They currently maintain an active contractor bond and workers' compensation insurance. No disciplinary actions have been recorded against this license.
License Information
- License Number
- 1051441
- Status
- Active
- Classification(s)
- C-7: Low Voltage Systems Contractor, D03: Awnings
- Tenure
- Licensed since 2019 (6 years)
- Issue Date
- March 19, 2019
- Expiration Date
- March 31, 2027
- Disciplinary Record
- No Disciplinary Actions
Bond & Insurance
- Contractor Bond
- Bonded ($25000) – AMERICAN CONTRACTORS INDEMNITY COMPANY
- Workers’ Compensation
- Workers' Compensation Insurance – EMPLOYERS PREFERRED 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
- 367 W NAPA STREET
- City
- Sonoma, CA
- ZIP Code
- 94576
- Phone
- (707) 291-5516
About These License Types
C-7: Low Voltage Systems Contractor
Installs, services, and maintains communication and low voltage systems not exceeding 91 volts, including telephone, sound, cable television, closed-circuit video, satellite dish antennas, instrumentation, temperature controls, and low voltage landscape lighting.
Not authorized: Does not include low voltage fire alarm systems or systems exceeding 91 volts (see C-10).
D03: Awnings
Installs, modifies, or repairs aluminum, metal, vinyl, or canvas awnings and patio covers, either freestanding or attached to a structure.
Not authorized: Patio enclosures or carports are not included.
Verify on Official CSLB Website
License data sourced from the California Contractors State License Board. Last data update: February 20, 2026.