United States Maine Portland
Maine · Portland · 2026
Top real estate brokerages in Portland, ME
Count taken September 5, 2026Page built September 5, 2026
432 real estate agents in Portland, Maine had a published brokerage profile on September 5, 2026. Keller Williams is the largest real estate brokerage in Portland with 301 agents, 69.7% of the 432 whose profile names a brokerage; the three largest together hold 96%.
Real estate brokerages in Portland, ranked by agents
Every brokerage with 3 or more agents in Portland. A company that publishes no office names appears as one row covering all its offices in the city.
| Brokerage | Agents | Share of attributed agents | Brand | |
|---|---|---|---|---|
| 1 | Keller Williams | 301 | 69.7% | |
| 2 | Coldwell Banker Realty | 62 | 14.4% | Coldwell Banker |
| 3 | RE/MAX | 51 | 11.8% | |
| 4 | Real Broker | 11 | 2.5% | Real Brokerage |
| 5 | Sotheby's International Realty | 5 | 1.2% |
Plus 1 more brokerage with 2 agents between them.
How Portland compares with Maine
Portland holds 30.2% of the agents counted in Maine and ranks 1st of the 95 Maine cities with at least one agent. The largest brokerage's share is 69.7% here against 21.7% for Keller Williams across Maine as a whole, so the Portland market is more concentrated than the state. 4.9% of the 432 checked agents in Portland have a website of their own, against 5.9% statewide. 94.9% publish a direct phone number (statewide 82.4%).
How many real estate agents are in Maine?
Other Maine cities
- Bangor 193
Where the data comes from
Counted from the public agent directories of 6 brokerage brands with agents in Portland. 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 Maine real estate agent list; nothing per agent appears here.
Questions this page answers
- What is the largest real estate brokerage in Portland, ME?
- Keller Williams with 301 agents, 69.7% of Portland agents whose profile names a brokerage, ahead of Coldwell Banker Realty (62).
- How many real estate agents are in Portland, ME?
- 432 as of September 5, 2026, counting agents with a published brokerage profile. That is 30.2% of the 1,430 counted in Maine.
Cite this page
Realty Census (2026). Top real estate brokerages in Portland, ME: 432 agents. Count dated 2026-09-05. https://realtycensus.com/maine/portland/