Joanne Christoforou

Joanne Christoforou is a real estate agent with Signature Premier Properties in Smithtown. MLS records credit Joanne with 11 transactions over the last 12 months, worth $11.6 million in total sales volume. Across both sides of the deal, that is an average of $1,058,173 per transaction.

7.5 of those transactions were on the listing side, representing sellers, for $7.3 million. The other 3.5 were on the selling side, representing buyers, for $4.3 million. Most of the work, 68 percent, is on the listing side, so Joanne is more often the agent a seller hires.

The average price differs by side: $978,327 for listings and $1,229,271 for buyer-side sales.

By sales volume, Joanne ranks 5th of the 52 agents in Commack with recorded sales, ahead of 90 percent of them. The typical agent there closed 3 transactions worth $2.4 million, so Joanne's volume is about 4.9 times the local median.

Statewide, Joanne is 1037th by volume among 14,678 New York agents with recorded sales.

In ZIP code 11725, the address on Joanne's MLS record, the median sold price was $825,000 across 23 sales between June 2026 and July 2026. Joanne's average transaction of $1,058,173 is about 1.3 times that median, which points to higher-priced homes than the ZIP code as a whole.

Joanne is listed with Signature Premier Properties, Smithtown. Other agents on the same office record, busiest first:

• Jon David Lenard49.5 transactions · 36.7M volume
• Deborah Lettieri27.5 transactions · 27.3M volume
• Lori Zamore28.5 transactions · 26.8M volume
• Justin Soriano28 transactions · 22.7M volume
• Stephanie Calinoff25.5 transactions · 16.3M volume
• Rowena Nedvin19.5 transactions · 15.1M volume

These other Commack 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.

• Lynn Witz41.5 transactions · 39.2M volume
• William Ortiz22 transactions · 22.9M volume
• James Manikas19 transactions · 12.9M volume
• Suzanne Scully14 transactions · 12.6M volume
• Michail Konstas11 transactions · 11.6M volume
• Cecelia Schmidt10.5 transactions · 11.3M 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. Joanne has not claimed this profile, and a listing here does not mean Joanne or Signature Premier Properties endorses or is affiliated with Expert Agents Near Me. We collect no reviews, so there are no ratings from us on this page.