1600 Marlborough Rd, Hillsborough, CA, 94010
About This Home
*MILLION DOLLAR REDUCTION!!!* HILLSBOROUGH'S BEST IN CLASS, THIS IS LUXURY! MUST SEE!!! A BREATHTAKING TROPHY ESTATE BLENDING TIMELESS ELEGANCE WITH RESORT-STYLE LIVING. This architectural masterpiece offers an extraordinary layout designed for both grand entertaining & intimate daily life. Sweeping driveway & motor court lead to 2 garages with car lifts ideal for collectors. The outdoor retreat features an infinity-edge pool, spa, expansive pool deck w/ designer pergola, full outdoor kitchen & BBQ, tennis court, guest house, bocce court, rose garden & a dedicated childrens play area. Inside, a dramatic foyer opens to soaring ceilings, a formal living room bathed in natural light, a grand dining room, chefs kitchen w/ breakfast nook & spacious family room. A luxe billiard room w/ wine bar, elegant sitting room, private office & guest suite complete the main level. Upstairs, the primary suite stuns w/ romantic fireplace, spa-inspired bath & oversized walk-in closet. 3 additional ensuite bedrooms & attic storage offer comfort & flexibility. The lower level is a true entertainers dream featuring a cinema-quality home theater, game room & kitchenette. This residence delivers unmatched elegance, scale & lifestyle in one of the Bay Areas most prestigious settings.
Getting Around
Car-Dependent
Very Limited Transit
Somewhat BikeableSchools
Construction
Condition
- Year built: 1939
Materials
- Foundation: Other
- Roof: Other
Type & Style
- Home type: SingleFamily
- Property subType: Single Family Residence,Residential
Interior
Appliances
- Appliances included: Gas Cooktop,Dishwasher,Microwave,Refrigerator,Washer/Dryer
Bathroom
- Features: DoubleSinks, StallShower2plus, Stone, SunkenGardenTub, TubinPrimaryBedroom, UpdatedBaths, FullonGroundFloor, PrimaryOversizedTub
Bedroom
- Features: GroundFloorBedroom, WalkinCloset, PrimaryBedroom2plus
Bedrooms & Bathrooms
- Bedrooms: 7
- Bathrooms: 8
- Full bathrooms: 7
- 1/2 bathrooms: 1
Dining Room
- Features: FormalDiningRoom, Other
Family Room
- Features: Other, SeparateFamilyRoom
Features
- High Ceilings,Wet Bar,Walk-In Closet(s)
- Door features: Other
- Number of fireplaces: 1
- Fireplace features: Other
Heating & Cooling
- Heating features: Central Forced Air Gas
- Cooling features: Other
Interior Area
- Total structure area: 9,310
- Total interior livable area: 9,310 sqft
Kitchen
- Features: Island
Property
Accessibility
- Accessibility features: Accessible Kitchen,Other,Parking
Details
- Parcel number: 030182220
- Zoning: R100
- Special condition: Standard
Features
- Stories: 2
- Pool features: Pool Cover
- Patio & porch: Balcony/Patio
- Exterior features: Barbecue,Tennis Court(s),Courtyard,Fire Pit
- Spa features: Other,Spa/HotTub
Lot
- Lot size: 1.31 Acres
Parking
- Total spaces: 3
- Parking features: Other
- 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 | $75,747 | $908,964 |
| Home Insurance * | $1,263 | $15,156 |
| Property Taxes | $15,207 | $182,484 |
| Electricity | $1,996 | $23,956 |
| Total | $94,213 | $1,130,556 |
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 |
|---|---|---|
| 2026-03-12 | Price change | $14,980,000 |
| 2026-01-05 | Price change | $15,880,000 |
| 2025-10-20 | Price change | $16,180,000 |
| 2025-09-30 | Listed for sale | $21,170,000 |
| 2003-12-12 | Sold | $3,325,000 |
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