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/1 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. 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:
Active
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
Subdivisions in San Diego
- Bay Park
- BP
- Carmel Mountain Ranch
- Carmel Valley
- Casa Dorado 32501
- CAV
- CH
- Chula Vista
- City Heights
- Civita CIVI
- Clairemont
- CLM
- College Grove
- Crown Point
- Del Cerro
- Downtown
- Downtown Area DOWN
- DWTN
- East San Diego
- Encanto
- ENCTO
- Escala ESCL
- Hillcrest
- Imperial Beach
- Kearny Mesa
- Kensington
- La Jolla
- La Mesa
- Linda Vista
- Logan Heights
- LV
- Middletown
- Mira Mesa
- Mirador MIRD
- Mirasol MIR
- Mission Beach
- Mission Hills
- Mission Valley
- Mission Village
- Mount Helix
- Normal Heights
- North Park
- NP
- Ocean Beach
- Old Town
- Pacific Beach
- Paradise Hills
- Park Villas PKVL
- Park Vista PV
- Point Loma
- Poway
- Rancho Bernardo
- Rancho Pacifica 1 261701
- Rancho Penasquitos
- Rancho Santa Fe
- Sabre Spr
- San Carlos
- San Diego
- San Ysidro
- SANT
- Santaluz
- Scripps Ranch
- SD
- Serra Mesa
- Smoke Tree SMTR
- South Sd
- Stonebridge 3700
- Talmadge
- The Lakes LK
- Tierrasanta
- Torrey Highlands
- University City
- University Heights
- Villa Portofino 32283
- Woodcrest WT
Market Summary
Current real estate data for Single Family in San Diego as of Jul 10, 2026
2,024
Single Family Listed
65
Avg DOM
586
Avg $ / SqFt
$1,271,438
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 $586. The average listing price for Single Family in San Diego is $1,271,438.
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