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Diane Sullivan

Diane Sullivan Realty
61 Closed Sales
$75.3M Total Value
$605K - $4.2M Price Range
$1.2M Average Price
Prior 5 years

About Diane

"In this changing market, it is imperative that you select a Realtor® with Tenacity, Integrity and Professionalism. You want to know that your Realtor® has a good reputation among the other Agents that we will be dealing with and that your Realtor® is respected. Over the past 22 years that I have worked in Real Estate, going above and beyond to meet the particular needs of my clients has been my priority. I love what I do and I believe my dedication and passion is shown by the multiple certifications, designations, awards and great client testimonials that I have received. Nothing means more to me than exceeding my clients expectation and I do not stop until that goal is achieved. Diane Sullivan | Broker, GRI, ABR | DRE #01409974" Diane Sullivan is an experienced, highly respected agent in San Diego, with a strong track record over the past 22 years. She’s closed 61 sales in the last 5 years, totaling $75.3 million in value, with deals ranging from $605,000 to $4.2 million. She’s worked in a wide variety of property types—houses, condos, townhouses, and multifamily properties. Locally, she’s closed 51 deals in San Diego, including 3 in the Loma Portal neighborhood and 13 in the 92106 zip code. She’s also handled 10 sales in La Playa and 9 in Ocean Beach—key neighborhoods in the area. For the past year, Diane’s handled 4 buyer deals totaling nearly $4 million, and 3 seller deals worth about $4.9 million—showing strong performance on both sides of the transaction. Her average sale prices in the last two years ranged from just under $1.2 million for buyers to over $1.8 million for sellers. She’s won the Five Star Award and holds multiple designations, including GRI and ABR. Her production history shows consistent success, with a peak in 2023 and solid results across the years. If you’re looking for someone with deep local expertise, a strong reputation, and a proven ability to close deals for both buyers and sellers, Diane Sullivan stands out. You can contact her at (619) 990-2297.
Home Types: House, Condo, Townhouse, MultiFamily
Years of Experience: 22
Education: San Diego State University

Transaction History

Seller Deals

Total Deals 3
Total Value $4,865,000
Average Sale Price $1,621,667
Price Range $1.4M - $1.9M

Buyer Deals

Total Deals 4
Total Value $3,929,000
Average Sale Price $982,250
Price Range $559K - $1.6M

Production Over Time

1 Year View by Quarter

Seller Deals

Total Deals 8
Total Value $14,915,000
Average Sale Price $1,864,375
Price Range $825K - $4.2M

Buyer Deals

Total Deals 9
Total Value $10,874,005
Average Sale Price $1,208,223
Price Range $390K - $2M

Production Over Time

2 Year View by Quarter

Seller Deals

Total Deals 39
Total Value $49,135,221
Average Sale Price $1,259,877
Price Range $410K - $4.2M

Buyer Deals

Total Deals 22
Total Value $26,155,005
Average Sale Price $1,188,864
Price Range $390K - $2.7M

Production Over Time

5 Year View

Diane's Listings and Deals

Awards and Designations

  • Five Star Award
  • NAR - National Association of Realtors
  • GRI - Graduate REALTOR Institute
  • ABR - Accredited Buyer Representative
  • CPRES - Certified Probate Real Estate Specialist
Agent License: California #01409974
Agent Photo

Diane Sullivan