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Ongaro & Sons

Ongaro & Sons is an hvac contractor listed in San Anselmo, California.

  • HVAC contractor

Who is Ongaro & Sons?

According to its website, it was founded in 1932.

The listed address is 11 Ross Avenue, San Anselmo, CA 94960. The phone number on record is +1-415-634-3654. More about the company is on its website, ongaroandsons.com. Its website lists info@ongaroandsons.com for general inquiries. Opening hours on record: 24/7.

Its website lists license no. 215233. Confirm it with the Contractors State License Board (CSLB) before you hire.

What does Ongaro & Sons say about its work?

Ongaro & Sons is a fourth-generation, family-owned home services company serving Marin, Sonoma and Napa Counties from its Petaluma headquarters. Founded in 1932, the company runs HVAC, plumbing, electrical and solar in-house for residential and commercial customers.

In the company's own words, from ongaroandsons.com, read October 2026.

Where is Ongaro & Sons located?

Ongaro & Sons is at 11 Ross Avenue, San Anselmo, CA 94960.

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How do I check Ongaro & Sons's contractor license?

Ongaro & Sons's website (ongaroandsons.com) lists license no. 215233. We have not verified it, so look it up below.

Search the Contractors State License Board (CSLB) for Ongaro & Sons before you hire. We do not hold license records for individual companies. California licenses contractors statewide through the Contractors State License Board.

Check a license in California

Licensing rules checked October 2026. Requirements change, so confirm on the state site.

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Which construction companies are near Ongaro & Sons?

The nearest listed company is Gotelli Plumbing Company, about 2.2 miles away in San Rafael, CA.

FAQ

Ongaro & Sons: FAQs

Where is Ongaro & Sons located?

Ongaro & Sons is at 11 Ross Avenue, San Anselmo, CA 94960.

What kind of company is Ongaro & Sons?

Ongaro & Sons is listed as an hvac contractor in San Anselmo, California.

What does Ongaro & Sons say about its work?

On ongaroandsons.com, Ongaro & Sons describes itself like this: "Ongaro & Sons is a fourth-generation, family-owned home services company serving Marin, Sonoma and Napa Counties from its Petaluma headquarters. Founded in 1932, the company runs HVAC, plumbing, electrical and solar in-house for residential and commercial customers."

How do I contact Ongaro & Sons?

Call +1-415-634-3654. Email info@ongaroandsons.com. Visit ongaroandsons.com. The office is at 11 Ross Avenue, San Anselmo, CA 94960.

What are Ongaro & Sons's opening hours?

The opening hours on record are 24/7.

Is Ongaro & Sons licensed?

Ongaro & Sons's website lists license no. 215233. We have not verified it, so search the Contractors State License Board (CSLB) to confirm it before you hire. California licenses contractors statewide through the Contractors State License Board.

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