Dennis O'Brien

La Mesa CA

United Real Estate San Diego

26 Closed Sales

$17M Total Value

$334K - $1.9M Price Range

$654.8K Average Price

Prior 5 years

About Dennis

As a United Real Estate agent, Dennis O’Brien is dedicated to helping my clients find the home of their dreams. Whether you are buying or selling a home or just curious about the local market, Dennis would love to offer my support and services. He knows the local community — both as an agent and a neighbor — and can help guide you through the nuances of our local market. With access to top listings, a worldwide network, exceptional marketing strategies, and cutting-edge technology, Dennis works hard to make your real estate experience memorable and enjoyable.

Dennis looks forward to the opportunity to work with you. Please don’t hesitate to contact him today!

Home Types: House, Condo, Manufactured, Townhouse

Years of Experience: 40

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	4
Total Value	$2,595,000
Average Sale Price	$648,750
Price Range	$590K - $765K

Buyer Deals
Total Deals	1
Total Value	$1,888,000
Average Sale Price	$1,888,000

Seller Deals
Total Deals	8
Total Value	$5,439,000
Average Sale Price	$679,875
Price Range	$334K - $1M

Buyer Deals
Total Deals	2
Total Value	$2,568,000
Average Sale Price	$1,284,000
Price Range	$680K - $1.9M

Seller Deals
Total Deals	22
Total Value	$13,901,000
Average Sale Price	$631,864
Price Range	$170K - $1M

Buyer Deals
Total Deals	4
Total Value	$3,124,000
Average Sale Price	$781,000
Price Range	$200K - $1.9M

5 Year View

Neighborhoods Dennis is Experienced In

Recently Sold

$590,000

Sold Apr 21, 2026
- 2 Beds
- 3 Baths
- 1,259 Sq Ft
5352 Lake Murray Blvd

Unit 7

La Mesa, CA
- 2% Below List
- $469/SF
- 32 Days On Market
- Current Est. Value $587K
Dennis O'Brien United Real Estate San Diego

$765,000

Sold Dec 10, 2025
- 3 Beds
- 2 Baths
- 1,391 Sq Ft
1441 9th Ave

Unit 505

San Diego, CA
- 4% Below List
- $550/SF
- 27 Days On Market
- Current Est. Value $797K
Dennis O'Brien United Real Estate San Diego

$610,000

Sold Nov 13, 2025
- 3 Beds
- 3 Baths
- 1,412 Sq Ft
2745 White Pine Ct

Chula Vista, CA
- 2% Above List
- $432/SF
- 21 Days On Market
- Current Est. Value $633K
Dennis O'Brien United Real Estate San Diego

$630,000

Sold May 30, 2025
- 3 Beds
- 2 Baths
- 1,016 Sq Ft
651 Robert Ave

Chula Vista, CA
- 2% Above List
- $620/SF
- 7 Days On Market
- Current Est. Value $860K
Dennis O'Brien United Real Estate San Diego

$725,000

Sold Jan 3, 2025
- 3 Beds
- 2 Baths
- 1,344 Sq Ft
9421 Los Coches Rd

Lakeside, CA
- $539/SF
- 5 Days On Market
- Current Est. Value $739K
Dennis O'Brien United Real Estate San Diego

$1,010,000

Sold Sep 13, 2024
- 4 Beds
- 2 Baths
- 1,992 Sq Ft
11358 High Ranch Rd

Lakeside, CA
- 6% Below List
- $507/SF
- 31 Days On Market
- Current Est. Value $986K
Dennis O'Brien United Real Estate San Diego

$334,000

Sold Sep 4, 2024
- 3 Beds
- 2 Baths
- 1,536 Sq Ft
9255 N Magnolia Ave

Unit 52

Santee, CA
- 11% Below List
- $217/SF
- 56 Days On Market
Dennis O'Brien United Real Estate San Diego

$775,000

Sold May 10, 2024
- 3 Beds
- 2 Baths
- 1,232 Sq Ft
598 Herbert St

El Cajon, CA
- 7% Above List
- $629/SF
- 6 Days On Market
- Current Est. Value $770K
Dennis O'Brien United Real Estate San Diego

$585,000

Sold Dec 4, 2023
- 4 Beds
- 2 Baths
- 1,445 Sq Ft
10241 Escadera Dr

Lakeside, CA
- 4% Above List
- $405/SF
- 7 Days On Market
- Current Est. Value $866K
Dennis O'Brien United Real Estate San Diego

Awards and Designations

NAR - National Association of Realtors

Other Experience

Foreclosures, Investments, Luxury Homes, Senior Communities, Veteran Programs

Agent License: California #00894995

Dennis O'Brien

(858) 585-7897

Homes for Sale by City

Dennis O'Brien

About Dennis

Transaction History

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Neighborhoods Dennis is Experienced In

Dennis' Listings and Deals

Recently Sold

Awards and Designations

Other Experience