The largest brokerages in St. Catharines

10 offices, 297 agents counted at the 2026-09-23 scan. Royal LePage NRC Realty leads with 85 agents — 28.6% 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 76.4%).

297
agents counted
10
competing offices
76.4%
held by the top three
12.1%
hold a broker title

The top 10 at a glance

Agents on the roster at the 2026-09-23 scan; percentages are share of all 297 tracked in St. Catharines.

  1. Royal LePage NRC Realty 85 28.6%
  2. REMAX Niagara Realty Ltd 77 25.9%
  3. REMAX Garden City Realty Inc 65 21.9%
  4. Coldwell Banker Momentum Realty, Brokerage 37 12.5%
  5. CENTURY 21 Heritage House Ltd. Brokerage 11 3.7%
  6. REMAX Hendriks Team Realty 8 2.7%
  7. CENTURY 21 Avmark Realty Limited Brokerage 7 2.4%
  8. Royal LePage NRC Realty Compass Estates 4 1.3%
  9. REMAX Garden City Uphouse Realty 2 0.7%
  10. Sutton Group - Quantum Realty Inc., Brokerage 1 0.3%

Bar length is relative to the largest row; percentages are share of all 297 tracked agents. Download this chart as an image ↓

Every office we track in St. Catharines

# Office Network Agents Share
1 Royal LePage NRC Realty Royal LePage 85 28.6%
2 REMAX Niagara Realty Ltd RE/MAX 77 25.9%
3 REMAX Garden City Realty Inc RE/MAX 65 21.9%
4 Coldwell Banker Momentum Realty, Brokerage Coldwell Banker 37 12.5%
5 CENTURY 21 Heritage House Ltd. Brokerage Century 21 11 3.7%
6 REMAX Hendriks Team Realty RE/MAX 8 2.7%
7 CENTURY 21 Avmark Realty Limited Brokerage Century 21 7 2.4%
8 Royal LePage NRC Realty Compass Estates Royal LePage 4 1.3%
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, 118.3% list a website of their own (national 59%).

Network mix in St. Catharines

RE/MAX 152 (51.2%) Royal LePage 89 (30%) Coldwell Banker 37 (12.5%) Century 21 18 (6.1%) Sutton 1 (0.3%)

Coverage: these are the 5 national networks we scrape — about 46.1% 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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