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HVAC Installation in Los Angeles

HVAC systems in the City of Los Angeles

15,591 permits were issued for HVAC work in the City of Los Angeles over the last 12 months, and 51.3% of the counted permits were on 1 or 2 family dwellings.

Updated Sources: LA Building & Safety, US Census ACS

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Los Angeles at a glance

Issued HVAC permits, all property types, last 12 months, City of Los Angeles
15,591 permits
Share of issued HVAC permits on 1 or 2 family dwellings, last 12 months, City of Los Angeles
51.3%
Share of housing units built before 1980, City of Los Angeles, 2020–2024 estimates
69.9%

LA Department of Building and Safety, Mechanical Permits Issued 2020 to Present (data.lacity.org) · U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates · data as of

  • Numbers from LADBS and US Census public records
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A useful first step

Before you start in Los Angeles

Confirm whether your scope needs plan check or an express permit.

What to prepare

LADBS offers express permits for some simpler work. Larger or more complex changes can require plan review. Describe the actual work, including structural, electrical and plumbing changes, when asking the department which route applies.

LADBS contractor guide · Checked

HVAC permit figures for the City of Los Angeles

HVAC permit figures for the City of Los Angeles

Local numbers for Los Angeles, each with its source and date.

Median year structure built, all housing units, City of Los Angeles, 2020–2024 estimates1
1965
  1. 1 U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates · data as of
HVAC permits issued in the City of Los Angeles, by yearEach bar is one calendar year of issued permits, all property types.

Source: LA Department of Building and Safety, Mechanical Permits Issued 2020 to Present (data.lacity.org), full calendar years, fire rebuilds excluded, data as of .

The typical HVAC process in the City of Los Angeles

The typical HVAC process in the City of Los Angeles

  1. Assess the home

    Look at the size of the home, its insulation, the existing ducts and the electrical panel. These decide which systems are realistic.

  2. Choose the system

    Central AC, a heat pump, a furnace, or a ductless system are common options. Ductless systems are often used where there are no ducts.

  3. Get the permit

    HVAC installs usually need a mechanical permit from the City of Los Angeles. Confirm with the builder or the city whether your project needs one.

  4. Install the system

    The crew installs the system, connects it to the ducts and electrical supply, and tests it.

  5. Inspection and sign-off

    The city may inspect the work before it signs off. Ask the builder what the inspection covers and what paperwork you will receive.

HVAC questions for Los Angeles homeowners

Do I need a permit for a new AC or furnace in the City of Los Angeles?

Often yes, but it depends on the work and the home. Confirm with the builder or the City of Los Angeles before any work starts.

How many HVAC permits does the city issue?

LADBS issued 15,591 permits for HVAC work in the City of Los Angeles over the last 12 months, across all property types. Of the counted permits, 51.3% were on 1 or 2 family dwellings.

Central AC, heat pump, or ductless: which fits my home?

It depends on your home. Central AC and furnaces often need existing ducts. Heat pumps can work with ducts or without them. Ductless systems are often used where there are no ducts. A local builder can look at your home and explain which options fit.

What should older homes have checked first?

Check the ducts, the electrical panel capacity and the venting first. Census estimates for the City of Los Angeles show 69.9% of housing units were built before 1980, with a median build year of 1965, so older systems and wiring are common.

How do I start?

Check the contractor's license status with the Contractors State License Board (CSLB). Then request a free estimate, describe your home and the system you want, and ask the builder which permits apply.

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Your project · works in Los Angeles County

Matched to your project. We check the project type and ZIP first. Up to three local contractors may contact you, and we email you each one's name.

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  • Los Angeles
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