3547 Union St, San Diego, CA, 92103
About This Home
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.
Getting Around
Somewhat Walkable
Good Transit
Somewhat BikeableSchools
Construction
Condition
- Year built: 1939
Materials
- Roof: Composition
- Construction materials: Stucco
Type & Style
- Home type: MultiFamily
- Property subType: Multi Family
Interior
Bedrooms & Bathrooms
- Bedrooms: 4
- Bathrooms: 4
- Full bathrooms: 4
Cooling
- Cooling features: N/K
Interior Area
- Total structure area: 2,101
Property
Details
- Parcel number: 4514612300
Features
- Levels: 2 Story
- Pool features: Below Ground,Private
- Has spa: Yes
- Fencing: Gate
Lot
- Lot size: 0.30 Acres
Climate Risk is Financial Risk
Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.
Biggest Threats for This Home
- Earthquake
- Heat Wave
- Wildfire
How This Home’s Risks Compare
FEMA Declared Disasters in San Diego County and California
Understanding the Costs
Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.
Estimated Costs Today
| Monthly | Annual | |
|---|---|---|
| Mortgage | $11,604 | $139,248 |
| Home Insurance * | $311 | $3,732 |
| Property Taxes | $1,281 | $15,372 |
| Electricity | $398 | $4,786 |
| Total | $13,594 | $163,128 |
Income You'd Need if You Spent...
California FAIR Plan Programs
How Costs Could Change Over Time
Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.
Comparing Against the Market
Price Per Sq Ft
vs Other Active Listings
Avg $/sqft
vs Homes Sold Last Month
Median $/sqft
Current Market Trends
Median Price Per Square Foot
The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.
Historicals for This Listing
Zestimate History ($/sqft)
No zestimate history available
Price History
| Date | Event | Price |
|---|---|---|
| 2026-08-05 | Pending sale | $2,295,000 |
| 2026-07-08 | Listed for sale | $2,295,000 |
View on Zillow