Rosemarie Groen

Rosemarie Groen is a real estate agent with MAINSTREET REALTORS in Rancho Cucamonga. MLS records credit Rosemarie with 7 transactions over the last 12 months, worth $4.1 million in total sales volume. Across both sides of the deal, that is an average of $584,271 per transaction.

2 of those transactions were on the listing side, representing sellers, for $1.3 million. The other 5 were on the selling side, representing buyers, for $2.8 million. Most of the work, 71 percent, is on the buyer side, so Rosemarie is more often the agent a buyer hires.

The average price differs by side: $632,500 for listings and $564,980 for buyer-side sales.

By sales volume, Rosemarie ranks 29th of the 162 agents in Jurupa Valley with recorded sales, ahead of 82 percent of them. The typical agent there closed 2 transactions worth $1.5 million, so Rosemarie's volume is about 2.7 times the local median.

Statewide, Rosemarie is 31727th by volume among 115,589 California agents with recorded sales.

In ZIP code 91752, the address on Rosemarie's MLS record, the median sold price was $900,000 across 11 sales between June 2026 and July 2026. Rosemarie's average transaction of $584,271 is below that median, so much of the work is in the more affordable part of the market.

Rosemarie is listed with MAINSTREET REALTORS, Rancho Cucamonga. Other agents on the same office record, busiest first:

• Jason Khorramian13 transactions · 10.2M volume
• Nicholaus Ondatje15 transactions · 8.7M volume
• Adrian Ondatje7 transactions · 5.3M volume
• Reem Ashkar6 transactions · 4.3M volume
• Karla Landaverde6 transactions · 3.4M volume
• Catalina Sanchez8 transactions · 3.2M volume

These other Jurupa Valley agents also have recorded sales in the last 12 months. They are ranked by sales volume. Compare a few before you pick someone to interview.

• Nathan Hanlon21.5 transactions · 15.8M volume
• Rocio Valenzuela28.5 transactions · 13.9M volume
• Nathan Hanlon16 transactions · 11.6M volume
• Winter Boone13.5 transactions · 10.9M volume
• ROCIO VALENZUELA22 transactions · 10.6M volume
• Winter Boone11.5 transactions · 9.9M volume

The numbers on this page come from public MLS and license records, last updated May 2026. Transaction counts and dollar volumes cover the last 12 months and are credited to the agent named on each record. Rosemarie has not claimed this profile, and a listing here does not mean Rosemarie or MAINSTREET REALTORS endorses or is affiliated with Expert Agents Near Me. We collect no reviews, so there are no ratings from us on this page.