The largest brokerages in St. Catharines
12 offices, 303 agents counted at the 2026-11-02 scan. Some agents here are counted as of an earlier read: realtor.ca, last read August 18, 2026. Royal LePage NRC Realty leads with 86 agents — 28.4% of the tracked roster, ahead of REMAX Niagara Realty Ltd at 78. The local market is unusually concentrated — three offices hold most of it (top three hold 75.6%).
The top 10 at a glance
Agents on the roster at the 2026-11-02 scan; percentages are share of all 303 tracked in St. Catharines.
- Royal LePage NRC Realty 86 28.4%
- REMAX Niagara Realty Ltd 78 25.7%
- REMAX Garden City Realty Inc 65 21.5%
- Coldwell Banker Momentum Realty, Brokerage 37 12.2%
- CENTURY 21 Heritage House Ltd. Brokerage 11 3.6%
- REMAX Hendriks Team Realty 9 3.0%
- CENTURY 21 Avmark Realty Limited Brokerage 7 2.3%
- Royal LePage NRC Realty Compass Estates 4 1.3%
- REMAX Garden City Uphouse Realty 2 0.7%
- Revel Realty Inc. 2 0.7%
Bar length is relative to the largest row; percentages are share of all 303 tracked agents. The 10 shown account for 99.3% of them — the remaining 2 sit with other offices. Download this chart as an image ↓
Every office we track in St. Catharines
| # | Office | Network | Agents | Share |
|---|---|---|---|---|
| 1 | Royal LePage NRC Realty | Royal LePage | 86 | 28.4% |
| 2 | REMAX Niagara Realty Ltd | RE/MAX | 78 | 25.7% |
| 3 | REMAX Garden City Realty Inc | RE/MAX | 65 | 21.5% |
| 4 | Coldwell Banker Momentum Realty, Brokerage | Coldwell Banker | 37 | 12.2% |
| 5 | CENTURY 21 Heritage House Ltd. Brokerage | Century 21 | 11 | 3.6% |
| 6 | REMAX Hendriks Team Realty | RE/MAX | 9 | 3% |
| 7 | CENTURY 21 Avmark Realty Limited Brokerage | Century 21 | 7 | 2.3% |
| 8 | Royal LePage NRC Realty Compass Estates | Royal LePage | 4 | 1.3% |
| 9 | REMAX Garden City Uphouse Realty | RE/MAX | 2 | 0.7% |
| 10 | Revel Realty Inc. | realtor.ca | 2 | 0.7% |
| 11 | Keller Williams Complete Realty | realtor.ca | 1 | 0.3% |
| 12 | 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 155 St. Catharines agents whose sites we check, 120% list a website of their own (national 59.9%).
Network mix in St. Catharines
Coverage: these are the 6 brokerage rosters we scrape (national networks and independents) — about 50.6% 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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