The largest brokerages in St. Catharines
10 offices, 293 agents counted at the 2026-08-07 scan. Royal LePage NRC Realty leads with 82 agents — 28% of the tracked roster, ahead of REMAX Niagara Realty Ltd at 77. The local market is unusually concentrated — three offices hold most of it (top three hold 76.5%).
Every office we track in St. Catharines
| # | Office | Network | Agents | Share |
|---|---|---|---|---|
| 1 | Royal LePage NRC Realty | Royal LePage | 82 | 28% |
| 2 | REMAX Niagara Realty Ltd | RE/MAX | 77 | 26.3% |
| 3 | REMAX Garden City Realty Inc | RE/MAX | 65 | 22.2% |
| 4 | Coldwell Banker Momentum Realty, Brokerage | Coldwell Banker | 37 | 12.6% |
| 5 | CENTURY 21 Heritage House Ltd. Brokerage | Century 21 | 11 | 3.8% |
| 6 | REMAX Hendriks Team Realty | RE/MAX | 8 | 2.7% |
| 7 | CENTURY 21 Avmark Realty Limited Brokerage | Century 21 | 6 | 2% |
| 8 | Royal LePage NRC Realty Compass Estates | Royal LePage | 4 | 1.4% |
| 9 | REMAX Garden City Uphouse Realty | RE/MAX | 2 | 0.7% |
| 10 | Sutton Group - Quantum Realty Inc., Brokerage | Sutton | 1 | 0.3% |
Offices with fewer than 10 agents appear in this table but don't get their own page. Across the 153 St. Catharines agents whose sites we check, 90.8% list a website of their own (national 56.7%).
Network mix in St. Catharines
Coverage: these are the 5 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 St. Catharines. Methodology →
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