Portia Costello

Portia Costello is a real estate agent with Realty One Group Generations in York. MLS records credit Portia with 2 transactions over the last 12 months, worth $600,000 in total sales volume. Across both sides of the deal, that is an average of $300,000 per transaction.

All of Portia's MLS activity in this period is on the listing side, representing sellers: 2 listing transactions for $600,000, or $300,000 on average.

By sales volume, Portia ranks 422nd of the 558 agents in York with recorded sales, ahead of 24 percent of them. The typical agent there closed 6 transactions worth $1.8 million.

Statewide, Portia is 11846th by volume among 15,821 Pennsylvania agents with recorded sales.

Portia is listed with Realty One Group Generations, York. Other agents on the same office record, busiest first:

• Heather Aughenbaugh43.5 transactions · 13.4M volume
• Kettybel Velazquez-Diaz47.5 transactions · 9.5M volume
• Noelle Wilson18 transactions · 6M volume
• Tim Hess9 transactions · 3.3M volume
• Glenda Kane11.5 transactions · 3M volume
• Elizabeth Kirkland11 transactions · 2.9M volume

These other York 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.

• Adam Flinchbaugh110.5 transactions · 39.7M volume
• Elisabeth Hamberger114 transactions · 29.2M volume
• Ross Stanard82.5 transactions · 25.2M volume
• Dylan Madsen74.5 transactions · 23.7M volume
• Brittani Snyder72 transactions · 19.1M volume
• Emillie Albrecht60 transactions · 19M 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. Portia has not claimed this profile, and a listing here does not mean Portia or Realty One Group Generations endorses or is affiliated with Expert Agents Near Me. We collect no reviews, so there are no ratings from us on this page.