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Harbor Mechanical LLC
1307 BAY VIEW AVE, Wilmington, CA 90744, USA
Verify this license yourself at the California Contractors State License Board (CSLB).
Los Angeles has a climate that keeps heating and cooling systems busy. Cooling demand builds through long warm stretches, while cooler nights and winter mornings call for dependable heat. Harbor Mechanical LLC is an HVAC contractor serving homeowners and property owners across the Los Angeles area, and it holds California state contractor license #1057086, licensed since 2019, giving the business more than seven years in the trade.
Services Offered
Service Area
About Harbor Mechanical LLC
The company's AC Services cover diagnostics, cooling system repairs, and performance checks for systems that struggle to hold temperature. Heating Services and Furnace Services address ignition issues, burner inspections, and safety checks before the cold season. Heat Pumps work includes evaluating heating and cooling modes, reviewing controls, and addressing efficiency concerns that show up on utility bills.
Ductwork Services focus on leaks, airflow restrictions, and connections that can reduce comfort in one room or throughout a home. Thermostat Services include installation, programming, and troubleshooting of wiring or sensor problems. Emergency HVAC response addresses sudden breakdowns, while Maintenance and Tune-up visits help catch wear before it becomes a larger failure.
For anyone comparing local pros, a clear scope of work, written estimates, and straightforward answers about repairs are worth looking for. Harbor Mechanical LLC is one option to consider when reviewing HVAC providers on HVAC Service Fast.
State license record
California license #1057086
Active- Issued by
- Contractors State License Board (CSLB)
- Status
- Active as of Aug 4, 2026
- First issued
- Aug 2019 (7 years)
- Valid through
- Nov 30, 2027
- Business type
- Limited Liability
- County on file
- Los Angeles
What the license covers
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning
From CSLB public license data as of Aug 4, 2026. Licenses change — confirm the current status at the California Contractors State License Board (CSLB).
Frequently Asked Questions
What services does Harbor Mechanical LLC offer?
What areas does Harbor Mechanical LLC serve?
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What should I check before hiring an HVAC professional?
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Local market — Los Angeles
HVAC pros here
1,329
Have a website
27%
Cooling demand
1,247
Heating demand
1,083
Cooling/heating demand = annual degree days (NOAA). Electricity = state residential average (EIA).
Local context for Los Angeles
- Harbor Mechanical LLC is one of 1,094 businesses we list for ac services in Los Angeles (1,329 HVAC businesses in total).
Buying a new AC or heat pump in California
- California is in the DOE Southwest region: new central air conditioners installed since January 1, 2023 must meet at least 14.3 SEER2 and 11.7 EER2 (13.8 SEER2 and 11.2 EER2 for systems 45,000 BTU/h and larger). Heat pumps must meet 14.3 SEER2 and 7.5 HSPF2 nationwide.
- Since 2025, new systems are built for lower-impact refrigerants such as R-454B or R-32. Ask which refrigerant a quoted system uses and for its AHRI certificate number, which confirms the matched system’s rated efficiency.
Before you hire Harbor Mechanical LLC
Based on the records we hold for this business.
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State license on record
CSLB lists #1057086 as active (record dated Aug 4, 2026). Licensed since 2019. Re-check it yourself before work starts — it is free and takes a minute. Look it up: California Contractors State License Board (CSLB)
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Ask for proof of insurance
We have no insurance details on file. Ask for a certificate of general liability and workers' compensation coverage before anyone works in your home.
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Ask who pulls the permit
Replacing an AC, furnace, heat pump or water heater usually needs a local permit and inspection. A licensed contractor normally pulls it — ask that the permit is included in the written quote.
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Ask for local references
We do not have review data for this business yet. Ask for two or three recent customers near you.
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California homeowner protection
California law caps the down payment on a home improvement contract at 10% of the contract price or $1,000, whichever is less. Never pay more up front.
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Where this information comes from
- Name, address and phone
- State license records · added Aug 4, 2026
- California license
- CSLB public license data · record date Aug 4, 2026
- Profile summary
- Written automatically from the records above
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HVAC Service Fast is an independent HVAC directory and is not affiliated with this business. Listing details are compiled from publicly available information and may be incomplete or outdated. We do not endorse or guarantee any provider — please verify licensing and insurance directly. See our Disclaimer.