3547 Union Street San Diego CA 92103 | MLS #260016525SD
Rarely does a property come to market with a story this layered. Harper’s Topiary Garden at 3547 Union St is a Mission Hills landmark. A 1939 single family home with a 1914 casita, set on 13,142 sq ft of terraced grounds featuring a decades-old topiary garden tended by the same family for generations. Featured in San Diego Magazine, Hidden San Diego, and viral across social media, this is one of San Diego’s most beloved private spaces. The garden’s legacy includes a dedicated caretaker whose knowledge of these grounds spans decades. Step through the gate and discover a secret garden world sculpted topiaries cascading down the hillside, a tranquil koi pond, a shimmering pool, and sweeping ocean and bay views that stretch to Point Loma, Coronado and beyond. The main house offers 2 bed/2 bath with hardwood floors and a finished basement. The detached casita at 3549 Union St adds 2 bed/1 bath and 1,084 sq ft with its own address. Bonus space eithin the casita with 1 bathroom that can be used as a wine cellar or storage. Detached 2-car garage. A property for the buyer who understands that certain things cannot be built, only inherited.
Property Details
Price:
$2,295,000
MLS #:
260016525SD
Status:
Pending
Beds:
0
Baths:
0
Type:
Single Family
Subdivision:
Mission Hills
Neighborhood:
92103missionhills
Listed Date:
Jul 8, 2026
Lot Size:
13,142 sqft / 0.30 acres (approx)
Year Built:
1939
See this Listing
Schools
Interior
Cooling
NO
Levels
U
Exterior
Roof
CMP
Financial
Map
Community
- Address3547 Union Street San Diego CA
- SubdivisionMission Hills
- CitySan Diego
- CountySan Diego
- Zip Code92103
Market Summary
Current real estate data for Single Family in San Diego as of Aug 15, 2026
2,023
Single Family Listed
74
Avg DOM
564
Avg $ / SqFt
$1,214,848
Avg List Price
Property Summary
- Located in the Mission Hills subdivision, 3547 Union Street San Diego CA is a Single Family for sale in San Diego, CA, 92103. It is listed for $2,295,000 and features 0 beds, 0 baths, and has approximately 0 square feet of living space, and was originally constructed in 1939. The average price per square foot for Single Family listings in San Diego is $564. The average listing price for Single Family in San Diego is $1,214,848. To schedule a showing of MLS#260016525sd at 3547 Union Street in San Diego, CA, contact your The Knight Group LA agent at 310.409.7242.
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Courtesy of Compass. Disclaimer: All data relating to real estate for sale on this page comes from the Broker Reciprocity (BR) of the California Regional Multiple Listing Service. Detailed information about real estate listings held by brokerage firms other than The Knight Group LA include the name of the listing broker. Neither the listing company nor The Knight Group LA shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. The Broker providing this data believes it to be correct, but advises interested parties to confirm any item before relying on it in a purchase decision. Copyright 2026. California Regional Multiple Listing Service. All rights reserved.3547 Union Street
San Diego, CA
