The largest brokerages in Belleville
3 offices, 163 agents counted at the 2026-08-07 scan. Royal LePage ProAlliance Realty leads with 102 agents — 62.6% of the tracked roster, ahead of REMAX Quinte Ltd at 40. The local market is unusually concentrated — three offices hold most of it (top three hold 100%).
Every office we track in Belleville
| # | Office | Network | Agents | Share |
|---|---|---|---|---|
| 1 | Royal LePage ProAlliance Realty | Royal LePage | 102 | 62.6% |
| 2 | REMAX Quinte Ltd | RE/MAX | 40 | 24.5% |
| 3 | CENTURY 21 Lanthorn Real Estate Ltd. Brokerage | Century 21 | 21 | 12.9% |
Offices with fewer than 10 agents appear in this table but don't get their own page. Across the 40 Belleville agents whose sites we check, 90% list a website of their own (national 56.7%).
Network mix in Belleville
Coverage: these are the 3 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 Belleville. Methodology →
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