Diana Martinez

Diana Martinez is a real estate agent with Keller Williams Heritage in San Antonio. MLS records credit Diana with 16 transactions over the last 12 months, worth $6.9 million in total sales volume. Across both sides of the deal, that is an average of $431,547 per transaction.

11 of those transactions were on the listing side, representing sellers, for $4.9 million. The other 5 were on the selling side, representing buyers, for $2 million. Most of the work, 69 percent, is on the listing side, so Diana is more often the agent a seller hires.

The average price differs by side: $442,523 for listings and $407,400 for buyer-side sales.

By sales volume, Diana ranks 25th of the 561 agents in New Braunfels with recorded sales, ahead of 96 percent of them. The typical agent there closed 3 transactions worth $1 million, so Diana's volume is about 6.6 times the local median.

Statewide, Diana is 5131st by volume among 72,302 Texas agents with recorded sales.

In ZIP code 78130, the address on Diana's MLS record, the median sold price was $324,000 across 191 sales between June 2026 and July 2026. Diana's average transaction of $431,547 is about 1.3 times that median, which points to higher-priced homes than the ZIP code as a whole.

Diana is listed with Keller Williams Heritage, San Antonio. Other agents on the same office record, busiest first:

• Scott Malouff182 transactions · 66.7M volume
• Pamela Smartt64 transactions · 30.5M volume
• Shelby Renfeld39 transactions · 29.1M volume
• Frank Baker29 transactions · 28.9M volume
• Hagan Cohle22 transactions · 24.9M volume
• Lisa Sinn46 transactions · 24M volume

These other New Braunfels 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.

• Christopher Marti88 transactions · 31M volume
• Christopher Marti59 transactions · 25.7M volume
• Kyle Swinney27 transactions · 21.8M volume
• Devin Resendez75 transactions · 21.7M volume
• Ginger Browning35 transactions · 20.4M 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. Diana has not claimed this profile, and a listing here does not mean Diana or Keller Williams Heritage endorses or is affiliated with Expert Agents Near Me. We collect no reviews, so there are no ratings from us on this page.