Realty Census Real estate agents counted by state, city and brokerage

United States California Petaluma

California · Petaluma · 2026

Top real estate brokerages in Petaluma, CA

Count taken September 5, 2026Page built September 5, 2026

165 real estate agents in Petaluma, California had a published brokerage profile on September 5, 2026. Coldwell Banker Realty is the largest real estate brokerage in Petaluma with 73 agents, 44.2% of the 165 whose profile names a brokerage; the three largest together hold 95%.

165agents in Petaluma
5brokerages present
44%held by the largest brokerage
92ndof 895 California cities
0.3%of California agents

Real estate brokerages in Petaluma, ranked by agents

Every brokerage with 3 or more agents in Petaluma. A company that publishes no office names appears as one row covering all its offices in the city.

BrokerageAgentsShare of attributed agentsBrand
1Coldwell Banker Realty7344.2%Coldwell Banker
2Compass4829.1%
3CENTURY 21 Epic3521.2%Century 21
4Real Broker53.0%Real Brokerage
5HomeSmart42.4%

How Petaluma compares with California

Petaluma holds 0.3% of the agents counted in California and ranks 92nd of the 895 California cities with at least one agent. The largest brokerage's share is 44.2% here against 14.1% for Keller Williams across California as a whole, so the Petaluma market is more concentrated than the state. 15.4% of the 117 checked agents in Petaluma have a website of their own, against 10.5% statewide. 98.8% publish a direct phone number (statewide 90.9%).

How many real estate agents are in California?

Other California cities

Where the data comes from

Counted from the public agent directories of 5 brokerage brands with agents in Petaluma. Independent brokerages outside those networks are not counted, so this is a ranking among the networks we can see, not a census of every licensee in the city. Full method on the national page.

The underlying rows, one per agent with a published email, are sold by usrealtorlist.com as its California real estate agent list; nothing per agent appears here.

Questions this page answers

What is the largest real estate brokerage in Petaluma, CA?
Coldwell Banker Realty with 73 agents, 44.2% of Petaluma agents whose profile names a brokerage, ahead of Compass (48).
How many real estate agents are in Petaluma, CA?
165 as of September 5, 2026, counting agents with a published brokerage profile. That is 0.3% of the 58,902 counted in California.

Cite this page

Realty Census (2026). Top real estate brokerages in Petaluma, CA: 165 agents. Count dated 2026-09-05. https://realtycensus.com/california/petaluma/