The largest brokerages in Cobourg
6 offices, 90 agents counted at the 2026-08-07 scan. REMAX Rouge River Realty Ltd leads with 26 agents — 28.9% of the tracked roster, ahead of Royal LePage Our Neighbourhood Realty at 24. The local market is unusually concentrated — three offices hold most of it (top three hold 73.3%).
Every office we track in Cobourg
| # | Office | Network | Agents | Share |
|---|---|---|---|---|
| 1 | REMAX Rouge River Realty Ltd | RE/MAX | 26 | 28.9% |
| 2 | Royal LePage Our Neighbourhood Realty | Royal LePage | 24 | 26.7% |
| 3 | Royal LePage ProAlliance Realty | Royal LePage | 16 | 17.8% |
| 4 | CENTURY 21 United Realty Inc. Brokerage | Century 21 | 10 | 11.1% |
| 5 | Coldwell Banker R.M.R. Real Estate, Brokerage | Coldwell Banker | 7 | 7.8% |
| 6 | REMAX Hallmark First Group Realty Ltd | RE/MAX | 7 | 7.8% |
Offices with fewer than 10 agents appear in this table but don't get their own page. Across the 33 Cobourg agents whose sites we check, 112.1% list a website of their own (national 56.7%).
Network mix in Cobourg
Coverage: these are the 4 national networks we scrape — about 44.4% of Canadian REALTORS® nationally. Independents and brokerages outside those networks aren't counted, so read this as the largest offices among the networks we track in Cobourg. Methodology →
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