$4,395,000For sale
3515 Union St
San Diego, CA 92103 · MLS# 260025804SD
Listing courtesy of The Agency- 4Beds
- 4Baths
- 4,600Sq Ft
- 2003Year Built
About This Home
Discover luxury living in Mission Hills at 3515 Union Street, San Diego, CA 92103. This exceptional 4-bedroom, 3.5-bath residence offers approximately 4,600 square feet of spacious living, sophisticated design, and resort-style amenities. Designed for both everyday comfort and unforgettable entertaining, the home features a chef's kitchen with premium Wolf appliances, expansive living areas, and integrated smart home technology. The luxurious primary suite offers a private sanctuary with a fireplace, spa-inspired bathroom, jetted soaking tub, and generous walk-in closet. Entertainment takes center stage with a spectacular 750-bottle wine cellar, private theater and game room, pool table, classic arcade game, and popcorn station. Outdoor living is equally impressive, featuring private decks, a spacious Jacuzzi, fire pit, and built-in BBQ, ideal for relaxing or entertaining year-round. Conveniently located near Downtown San Diego, Little Italy, Balboa Park, and San Diego International Airport, this distinctive Mission Hills home combines privacy, luxury, and an exceptional central San Diego location.
Continue readingShow less
Want to see this home in person?
Request a private tour, ask a quick question, or call now before another buyer gets serious about 3515 Union St.
Property at a Glance: 3515 Union St
This single family residence property at 3515 Union St, San Diego, CA 92103 is for sale at $4,395,000. The home has 4 bedrooms, 4 bathrooms and 4,600 square feet of living space. It was built in 2003. That comes to about $955 per square foot. Reach out to set up a showing or ask for more details about this home.
Snapshot
- Status
- For sale
- Price
- $4,395,000
- Bedrooms
- 4
- Bathrooms
- 4
- Full Baths
- 3
- Half Baths
- 1
- Property Type
- Single Family Residence
- Year Built
- 2003
- Square Feet
- 4,600
- Days on Market
- 7
- MLS #
- 260025804SD
- Price per Sq Ft
- $955
- County
- San Diego
- Subdivision
- Mission Hills
Need a quick answer before the details?
Call now about 3515 Union St and ask about showings, availability, or offer timing.
Property Details
Building
Money
Rooms
Structures
Systems
Mission Hills in San Diego, CA
3515 Union St is in the Mission Hills neighborhood of San Diego, CA. Ask Brad & Karen Mattonen about other homes for sale in Mission Hills and what nearby homes have sold for.
Location
3515 Union St, San Diego, CA 92103 Open in Google Maps
Mortgage Calculator
Principal and interest only. Taxes, insurance and HOA dues are extra.
Brad & Karen Mattonen Can Answer Your Questions About This Home
Why Work With Brad & Karen Mattonen?
Buying a home in San Diego, CA goes better with a local agent on your side. Brad & Karen Mattonen can set up private showings, pull the latest numbers for the area, and guide you through the offer and the closing. Call 18585182875 to get started. Whether 3515 Union St is the one or you would like to see other homes nearby, reach out any time.
Local facts
Facts and context beyond the MLS description
What the numbers say about 3515 Union St and the San Diego area around it.
Current market context
How this home compares in San Diego
- $955This home per sq ft
- $655Median per sq ft
- 485Homes for sale like it
- 18Average days on market
At $955 per square foot, 3515 Union St is priced about 46% above the $655 median for 4 bedroom homes for sale in San Diego now.
Nearby sold homes
Recent sold homes near this property
Homes that sold within 1.25 miles of 3515 Union St in the last 6 months, at a median price of $994,500.
| Address | Sold | Home | Sold price | Distance |
|---|---|---|---|---|
| 1616 Glenwood Dr. | Oct 13, 2026 | $1,155,000 | 0.1 mi | |
| 3460 Columbia St | Jun 22, 2026 | 2 bd · 3 ba · 1,534 sqft | $929,000 | 0.1 mi |
| 3505 Ibis Street | Jul 23, 2026 | 3 bd · 3 ba · 1,972 sqft | $1,490,000 | 0.2 mi |
| 3344 Goldfinch St | May 15, 2026 | 3 bd · 3 ba · 2,007 sqft | $1,849,000 | 0.2 mi |
| 3184 Harbor Ridge Lane | May 29, 2026 | 3 bd · 2 ba · 1,593 sqft | $1,060,000 | 0.2 mi |
| 3145 Union Street 1 | Jun 15, 2026 | 2 bd · 2 ba · 894 sqft | $660,000 | 0.3 mi |
| 1137 Terracina | Jun 18, 2026 | 2 bd · 3 ba · 1,168 sqft | $775,000 | 0.3 mi |
| 1195 W Spruce St | Jul 10, 2026 | 3 bd · 3 ba · 1,192 sqft | $875,000 | 0.3 mi |
Every home is different. Ask for a full price review before you make an offer.
Listing timeline
Price and status history
| Date | Event | Price |
|---|---|---|
| Oct 28, 2026 | Active | $4,395,000 |
Similar Homes Nearby
Homes for sale in San Diego close to this home's price.
For sale$1,395,0003 bd2 ba1,484 sq ft1594 Linwood StreetSan Diego, CA 92103Mission Hills subdivisionListing courtesy of 888 Realty
For sale$849,9002 bd2 ba1,200 sq ft1828 Linwood St 11San Diego, CA 92110Mission Hills subdivisionListing courtesy of Keller Williams La Jolla
For sale$2,350,0004 bd4 ba2,924 sq ft1230 W Brookes AveSan Diego, CA 92103Mission Hills subdivisionListing courtesy of Harcourts One
For sale$3,150,0003 bd2 ba1,806 sq ft4140 Bandini St.San Diego, CA 92103Mission Hills subdivisionListing courtesy of Berkshire Hathaway HomeService
For sale$1,795,0002 bd2 ba1,438 sq ft2417 Arista CtSan Diego, CA 92103Mission Hills subdivisionListing courtesy of Coldwell Banker Realty
For sale$5,250,0006 bd6 ba4,458 sq ft2425 Arista CtSan Diego, CA 92103Mission Hills subdivisionListing courtesy of Coldwell Banker Realty
Want to see this home?
Loading form…
Loading form…
Brad & Karen Mattonen
Questions about 3515 Union St?
Get more details about this home or arrange a private tour.