HVAC contractor activity in Marin County, CA

Ranked by the number of available hvac permit records associated with each business in Marin County, CA since March 2026. This is public-record activity, not an editorial or pay-to-play ranking.

Rank	Contractor	Published record count	Record context
#1	ERNEST ONGARO & SONS INC	6 records	Published history
#2	SAMEDAY PLUMBING HEATING & COOLING LLC	5 records	Published history
#3	RAPIDFLO INC	5 records	Published history
#4	PETER LEVI PLUMBING LLC	4 records	Published history
#5	REYES HEATING AND AIR	4 records	Published history
#6	BELLOWS PLUMBING HEATING & AIR INC	4 records	Published history
#7	NORTH HVAC SERVICES	2 records	Published history
#8	MOORE HOME SERVICES	2 records	Published history
#9	DICKSON CO	2 records	Published history
#10	KELLY PLUMBING & HEATING INC	1 records	Published history
#11	MONACO MECHANICAL	1 records	Published history
#12	NOLAN CONSTRUCTION INC	1 records	Published history
#13	NORTH BAY HEATING AIR CONDITIONING AND SHEET METAL	1 records	Published history
#14	RED MOUNTAIN HEATING AND AIR INC	1 records	Published history
#15	RO HEATING AND AIR CONDITIONING INC	1 records	Published history
#16	R P S REMODELING INC	1 records	Published history
#17	SDC BUILT INC	1 records	Published history
#18	ADAMS REFRIGERATION SERVICE INC A CALIFORNIA CORPO	1 records	Published history
#19	TECH AIR INC	1 records	Published history
#20	ALEX RODAS	1 records	Published history

Review the available hvac permit records

See the newest available source date and the fields the public source publishes for Marin County, CA. A permit is evidence of project activity, not a recommendation or a promise that every record includes contact information.

Review Marin County, CA permits

How B2B teams use permit activity

Suppliers, software vendors, and market researchers can use permit activity to identify businesses associated with recent work. The source record does not measure workmanship, customer satisfaction, or contractor suitability.

Activity is source-published. A listed business is associated with available public permit records, rather than a paid placement.
Counts are scope-specific. They reflect this city's available permit inventory and the selected date window, not all of a contractor's work.
Fields vary by jurisdiction. Public sources may omit a contractor, owner, address, cost, or contact field on any given record.

Use the Marin County, CA record page to review the available records, source date, permit types, and fields for this market.

For hvac contractors: how to land on this list

If you run a hvac business in Marin County, CA and don't see your company name here, the available source records may not contain a matching name in this city and date window.

The source may not publish a contractor or applicant name for the relevant records.
A record may use a different business, applicant, or licensee name than the one you searched.

This list is not a statement about current operations, service availability, or contractor quality. PermitGrab lets you review source-published record context where the market provides it. Review Marin County, CA source coverage →

Frequently asked

How is this record list calculated?

We count available source-published hvac records in Marin County, CA over the displayed date window, group them by the published business name, and sort descending. There is no editorial weighting or paid placement. It is not an exhaustive contractor directory.

Where does the permit data come from?

The linked market page identifies the publishing jurisdiction, newest displayed record date, and available fields. Source dates and field coverage vary by jurisdiction; review the Marin County, CA source details before relying on a time-sensitive workflow.

How is this different from a review directory?

This page summarizes available public-record history for a selected city and trade. Review directories summarize user experiences. Neither one establishes current availability, workmanship, or a recommendation; use the source fields and your own diligence for the decision at hand.

Why is contractor X not on this list?

The available records may not contain that exact name, the source may omit names, or a different applicant or licensee name may appear. This is not a conclusion about a business's current work. The full source-bound search interface is on the Marin County, CA record page.

I'm a hvac contractor — how do I use this?

Review the published names, record types, dates, and available project fields in your service area. Confirm the source date and field coverage on the market page before acting; current plan terms are shown during signup.