Kathryn Martin

Kathryn Martin is a real estate agent with Signature Premier Properties in Northport. MLS records credit Kathryn with 14 transactions over the last 12 months, worth $13.8 million in total sales volume. Across both sides of the deal, that is an average of $988,536 per transaction.

8.5 of those transactions were on the listing side, representing sellers, for $8.1 million. The other 5.5 were on the selling side, representing buyers, for $5.7 million. Most of the work, 61 percent, is on the listing side, so Kathryn is more often the agent a seller hires.

The average price differs by side: $954,176 for listings and $1,041,636 for buyer-side sales.

By sales volume, Kathryn ranks 2nd of the 16 agents in Halesite with recorded sales, ahead of 88 percent of them. The typical agent there closed 1.5 transactions worth $1.5 million, so Kathryn's volume is about 9.3 times the local median.

Statewide, Kathryn is 745th by volume among 14,678 New York agents with recorded sales.

In ZIP code 11743, the address on Kathryn's MLS record, the median sold price was $1,005,000 across 32 sales between June 2026 and July 2026. Kathryn's average transaction of $988,536 sits close to that median.

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

• Lorraine Dee Donovan23.5 transactions · 21.4M volume
• Susan Modelewski15 transactions · 15.1M volume
• Christine DeJong9 transactions · 11.1M volume
• Michaela Viard14 transactions · 10.9M volume
• Karen Humphreys7 transactions · 6.1M volume
• Claudia Walsh6 transactions · 5.7M volume

These other Halesite 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.

• Donna Spinoso Gelb20.5 transactions · 26.8M volume
• Evelyn Wilkins5 transactions · 7.2M volume
• Diane Leyden4 transactions · 3.7M volume
• Emily Kaplan4 transactions · 2.8M volume
• Maureen Raia5 transactions · 2.7M volume
• Devon Felice2 transactions · 1.8M 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. Kathryn has not claimed this profile, and a listing here does not mean Kathryn 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.