3085 Ralston Ave, Hillsborough, CA, 94010
About This Home
Situated on a private side street, this grand estate sits on a majestic 2-acres with jaw-dropping panoramic bay views, some of the best in all of Hillsborough. Exquisite architectural detailing and finishes throughout, including inlaid parquet walnut floors, hand carved fireplaces, and walls of glass framing iconic bay views and landscaping. The main level includes a stunning office, billiard hall, and the "Morocco Room" lounge. Upstairs, the large master suite enjoys equally stunning views of the bay, in addition to a luxury spa bath and formal sitting room. A separate in-law suite and wine cellar with tasting room are located on the lower level of the residence. Equally impressive are the surrounding grounds, fully landscaped with grand-scale trees, expanses of manicured lawn, and an elevated terrace overlooking the views and swimming pool. All of this just minutes from shopping, dining, golfing, parks, and top rated Hillsborough schools. (Square Footage Per County Records: 8,629)
Getting Around
Car-Dependent
Very Limited Transit
Somewhat BikeableSchools
Construction
Condition
- Year built: 1929
Materials
- Foundation: Pillar/Post/Pier,Concrete Perimeter and Slab
- Roof: Slate
Type & Style
- Home type: SingleFamily
- Architectural style: French
- Property subType: Single Family Residence,Residential
Interior
Basement
- Has basement: Yes
- Basement: Finished
Bedroom
- Features: PrimarySuiteRetreat, WalkinCloset
Bedrooms & Bathrooms
- Bedrooms: 5
- Bathrooms: 7
- Full bathrooms: 6
- 1/2 bathrooms: 1
Dining Room
- Features: BreakfastRoom, FormalDiningRoom
Family Room
- Features: SeparateFamilyRoom
Features
- Flooring: Carpet,Stone,Wood
- Fireplace features: Wood Burning
Heating & Cooling
- Heating features: Central Forced Air
- Cooling features: Ceiling Fan(s),Central Air
Interior Area
- Total structure area: 10,495
- Total interior livable area: 10,495 sqft
Property
Details
- Parcel number: 030074100
- Zoning: R10000
- Special condition: Standard
Features
- Stories: 3
- Pool features: Cabana Dressing Room,In Ground
- Has view: Yes
- View description: Bay,City Lights
- Has water view: Yes
- Water view: Bay
Lot
- Lot size: 2 Acres
Parking
- Total spaces: 3
- Parking features: Attached
- Has garage: Yes
- Attached garage spaces: 3
- Covered spaces: 3
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
- Inland Flooding
- Landslide
How This Home’s Risks Compare
FEMA Declared Disasters in San Mateo 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 | $75,822 | $909,864 |
| Home Insurance * | $1,264 | $15,168 |
| Property Taxes | $14,645 | $175,740 |
| Electricity | $2,250 | $27,006 |
| Total | $93,981 | $1,127,772 |
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 |
|---|---|---|
| 2024-06-24 | Price change | $14,995,000 |
| 2023-02-06 | Listed for sale | $15,750,000 |
| 2022-09-09 | Listing removed | -- |
| 2022-04-01 | Price change | $16,995,000 |
| 2020-10-20 | Listed for sale | $17,995,000 |
| 2001-01-25 | Sold | $14,900,000 |
View on Zillow