178 Atherton Ave, Atherton, CA, 94027
About This Home
New Construction by Atherton's premier luxury home builder. Sophisticated architecture, interiors, and uncompromising quality blend seamlessly to create this private Central Atherton estate. Set down a long driveway on a secluded flag lot, this property offers a sense of privacy, tranquility, and retreat. This three-level home is bathed in natural light and showcases impeccable craftsmanship and custom finishes throughout. The main house includes six bedrooms, a spacious gym, luxurious wellness spa with hot tub, sauna and steam shower, formal study, theater, and first and second level primary suites. All thoughtfully designed for elevated everyday living and entertaining. Resort-inspired grounds extend the living experience outdoors with a beautifully appointed one-bedroom guest house, a cabana overlooking the oversized pool, multiple gathering spaces, fire pit, and attached and detached garages. A rare, newly built estate in Central Atherton offering exceptional quality, sophistication, and elevated style.
Getting Around
Car-Dependent
Very Limited Transit
BikeableSchools
Construction
Condition
- New construction: Yes
- Year built: 2026
Materials
- Foundation: Slab
- Roof: Flat
Type & Style
- Home type: SingleFamily
- Property subType: Single Family Residence,Residential
Interior
Appliances
- Appliances included: Gas Cooktop,Gas Oven,Washer/Dryer
Basement
- Has basement: Yes
- Basement: Finished
Bedrooms & Bathrooms
- Bedrooms: 7
- Bathrooms: 12
- Full bathrooms: 9
- 1/2 bathrooms: 3
Dining Room
- Features: BreakfastNook, FormalDiningRoom
Family Room
- Features: KitchenFamilyRoomCombo
Features
- High Ceilings,One Or More Skylights,Video Audio System,Wet Bar,Walk-In Closet(s),Security Gate
- Flooring: Carpet,Hardwood,Stone
- Number of fireplaces: 5
- Fireplace features: Family Room,Living Room,Primary Bedroom,Other,Outside
Heating & Cooling
- Heating features: Central Forced Air
- Cooling features: Central Air,Zoned
Interior Area
- Total structure area: 12,854
- Total interior livable area: 12,854 sqft
Kitchen
- Features: Countertop_Stone, IslandwithSink
Property
Details
- Parcel number: 070070290
- Zoning: R1001A
- Special condition: Standard
Features
- Stories: 3
- Exterior features: Barbecue,Fenced,Fire Pit
- Fencing: Perimeter
Lot
- Lot size: 1 Acres
Parking
- Total spaces: 3
- Parking features: Attached,Detached
- 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
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 | $202,008 | $2,424,096 |
| Home Insurance * | $2,771 | $33,252 |
| Property Taxes | $36,913 | $442,956 |
| Electricity | $2,756 | $33,076 |
| Total | $244,448 | $2,933,376 |
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)
Price History
| Date | Event | Price |
|---|---|---|
| 2026-08-06 | Contingent | $39,950,000 |
| 2026-07-06 | Listed for sale | $39,950,000 |
| 2024-01-31 | Sold | $15,500,000 |
| 2023-04-12 | Pending sale | $16,500,000 |
| 2023-02-10 | Contingent | $16,500,000 |
| 2022-07-29 | Listed for sale | $16,500,000 |
| 2004-03-16 | Sold | $8,350,000 |
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