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
Clean record
No complaints or disciplinary actions
Hiring this contractor?
Get alerts if their license status changes.
You're monitoring this license!
We'll email you if the license status, bond, or complaint history changes.
Something went wrong
Is this your business?
Claim your profile to manage your listing.
Claim request submitted!
We'll be in touch at the email you provided to verify your identity.
Something went wrong
GLADSTONE HEATING & AIR CONDITIONING LLC
- License Number
- 931949
- State
- California
- Status
- active
- Business Type
- Limited Liability
- Address
- 11095 TOYON HILL DRIVE LAKESIDE, CA, 92040 San Diego County
- Phone
- (619) 438 1832
License Dates
Issued
04/29/2009
Expires
07/31/2027
Expires in 16 months
Reissued
07/16/2015
CSLB Last Updated
02/23/2026
License Classifications
Personnel & Officers
GLADSTONE MICHAEL DAVID
Responsible Managing Manager
Contractor Bond
Amount: $25,000
Company: HUDSON INSURANCE COMPANY
Bond #30127427
Effective: 11/21/2023
Workers' Compensation
Carrier: HARTFORD CASUALTY INSURANCE COMPANY
Policy #76WEGBM9P4V
Effective: 12/20/2025
Expires: 12/20/2026
CSLB designation: Workers' Compensation Insurance
Wage Bond
Amount: $100,000
Company: GREAT AMERICAN INSURANCE COMPANY
Complaints & Disciplinary History
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)
Residential Alteration-Addn — 8020 - ACC - Mechanical Only
705 MARIA AVE, SPRING VALLEY, CA 91977
Cross street: SAN FRANCISCO STREET Description of Work: MISC MECH TO REPLACE FAU FOR EXISTING SFD
Residential Alteration-Addn — 8020 - ACC - Mechanical Only
477 PARKBROOK ST, SPRING VALLEY, CA 91977
Cross street: ELKETON Description of Work: MISC MECH TO REPLACE WALL FURNACE FOR EXISTING SFD
Residential Alteration-Addn — 8020 - ACC - Mechanical Only
1311 HELIX ST, SPRING VALLEY, CA 91977
Cross street: Description of Work: Misc Mechanical to Replace FAU Furnace for existing SFD
Residential Alteration-Addn — 8020 - ACC - Mechanical Only
8914 DELROSE AVE, SPRING VALLEY, CA 91977
Cross street: ELKELTON BLVD. Description of Work: MECH ONLY TO REPLACE WALL FURNACE FOR APT.UNIT 11
Residential Alteration-Addn — 8025 - ACC - (Online) Mechanical - HRA Electric Heat Pump/AC R&R
8605 GOLF DR, LA MESA, CA 91941
CROSS STREET: X Description of Work: HRA (Online Permit) ELECTRIC HEAT PUMP AND/OR AIR CONDITIONER REPLACEMENT, NO MODIFICATIONS OR ALTERATIONS TO EXISTING SYSTEM
2022-04-26
Residential Alteration-Addn — 8023 - ACC - (Online) Mechanical - HVAC Change Out
13204 VISTA LADERO, LAKESIDE, CA 92040
CROSS STREET: Lakeside Rd Description of Work: HVAC Change Out - FAU or Wall Heater - (Online Permit) *This project must comply with the current Building Energy Efficiency Standards. Registered Ti
2020-05-21
Residential Alteration-Addn — 8020 - ACC - Mechanical Only
10707 OAK CREEK DR, LAKESIDE, CA 92040
Cross street: PALM ROW Description of Work: REMOVE & REPLACE EXISTING A/C UNIT W/NEW FOR EXISTING SFD
2017-10-31
Residential Alteration-Addn — 8020 - ACC - Mechanical Only
9110 PIEL PL, SPRING VALLEY, CA 91977
Cross street: OUTLINDA ST Description of Work: HVAC CHANGE OUT FOR (E) SFD
2017-06-28
Residential Alteration-Addn — 8020 - ACC - Mechanical Only
9076 BERKVIEW LN, SPRING VALLEY, CA 91977
Cross street: ILDICA Description of Work: REPLACE A/C AND FURNACE FOR (E) SFD
2017-04-20
Residential Alteration-Addn — 8020 - ACC - Mechanical Only
9632 PINEAPPLE PL, LAKESIDE, CA 92040
Cross street: WINTER GARDENS Description of Work: REPLACING THE A/C CONDENSER
2017-03-22
Showing 10 of 26 permits
Verify this record on the official state licensing board
View on Contractors State License Board (CSLB) →Learn how to verify contractor licenses in California
California licensing guide →Data sourced from official state licensing board records. Always confirm critical information directly with the state board.
Verify Another Contractor
Homeowner Resources
Other Licensed C20 in LAKESIDE
AGUIRRE MECHANICAL SERVICES LLC
License #1123623 · CA
GOLD COAST HEATING & AIR
License #1131517 · CA
PACIFIC COMFORT SYSTEMS
License #1133712 · CA
RICKS MECHANICAL
License #1142983 · CA
BUTCHER JIM HEATING & AIR INC
JIM BUTCHER HEATING & AIR INC
License #537817 · CA