This home's estimate is 44.1% higher than the average sale price ($10.44M) of 3 comparable homes.
Search- Overview
- Sale & tax history
- Property details
- Neighborhood
- Climate







18 RESERVOIR Rd, Atherton, CA 94027
About this home
Masterfully rebuilt from top to bottom by renowned builder and designer. Top location with complete privacy, expansive lawns situated on over an acre. State of the art systems and amenities provide the utmost in comfort and convenience. In addition to main house of 5 bed, is a 2 bed 2 bath guest house with great room, exercise and full kitchen, 4-car garage. Graceful elegance and comfort awaits.

Redfin Estimate
Earn from this home
List your home with Redfin and save $75,198
Get cash now or lower your monthly rate
List your home for rent
Market trends in 94027, CA
Last updated October 2026
Buyer's Market
Seller's Market
Seller's market
See all
Provided by Redfin
Sale history for 18 RESERVOIR Rd
$1,276/sq ft
$1,369/sq ft
$1,508/sq ft
$1,643/sq ft
$626/sq ft
$603/sq ft
$603/sq ft
Tax history for 18 RESERVOIR Rd
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
- Public record
- Zoning
- Permits
R-1A
Residential District
This chapter identifies the allowed use and permit requirements and development standards for the residential district R-1A. The intent of this district is to implement the residential land use categories of the town’s general plan. It is designed to designate land for the development of residential uses consistent with the development regulations set forth in this title.Include but are not limited to:
- Housing
- Housing-Single unit
Roofing
Remove and replace existing water lines with new PEX piping.
Plumbing
Water heater
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Parking
- Parking Information
- Garage (Minimum): 3
- Parking Description: Detached, Gate/Door Opener, Guest/Visitor Parking, Off-Street Parking
Interior
- Bedroom Information
- # of Bedrooms (Minimum): 5
- # of Bedrooms (Maximum): 5
- Bedrooms: Primary Suite/Retreat, Ground Floor Bedroom
- Bathroom Information
- # of Baths (Full): 4
- # of Baths (1/2): 1
- # of Baths (Minimum): 5
- # of Baths (Maximum): 5
- Bathroom Description: 2+ Showers Over Tubs, 2+ Tubs, 2+ Stall Shower, Steam Shower
- Room Information
- Library, Formal Entry, Guest House, Guest Quarters
- Family Room Description: Separate Family Room
- Dining Room Description: Formal Dining Room, Breakfast Room
- Kitchen Description: Garbage Disposal, Refrigerator(s), Oven Range, 2+ Dishwashers, Microwave, 2+ Refrigerators, 220 Volt Outlet, Hookups (Gas)
- Guest House
- Interior Features
- Laundry: In Laundry Room, Dryer, Washer, 220 Volt Outlet
- Flooring: Tile, Carpet (Wall-to-Wall), Hardwood, Marble
- Fireplace Information
- Fireplace Description: In Family Room, In Living Room, In Primary Bedroom, In Other Location, Insert, Gas Log, Two-Way, Fireplace Available
- Heating & Cooling Information
- Cooling: Central Forced Air
- Heating: Heating (2+ Zones), Forced Air
Exterior
- Exterior Features
- Roof: Shake
- Yard/Grounds: Patio(s), Patio(s)/Deck(s) (Covered), Sprinkler(s) (Front), Sprinkler(s) (Rear), Sprinkler(s) (Auto), Fenced
- Building Information
- Style: Cape Cod
- Subclass: Single Family Home
- Building Type: Detached
- Exterior: Wood
- Concrete Perimeter and Slab
- Building Height (Minimum): 2
- Building Height (Maximum): 2
- Property Features
- Amenities: Double Pane Windows(s), High Ceiling, Vacuum (Central)
- Living Sq. Ft.: 7,290
- Security Features: Security Alarm (Owned), Fire Alarm
- Property Information
- Level (Street/Main): Bedroom(s)
- Property Primary ID: 342640
- Lot Information
- Lot Description: Grade (Level)
- Lot Location: Corner
- Lot Size Area Minimum Units: Sq. Ft.
- Lot Size Area Maximum Units: Sq. Ft.
- Lot Size Source: Assessor
- Zoning: R1
Utilities
- Utility Information
- Energy Features: Double Pane Windows, Skylight(s), Attic Fan
- Sewer Septic: Sewer in Street, Sewer Connected
- Water Information
- Water: Public
Location
- Multi-Unit Information
- # of Stories: 2
- School Information
- Elementary School District: Menlo Park City Elementary
- Middle School: Hillview Middle
- High School: Menlo-Atherton High
- High School District: Sequoia Union High
Public facts
- Beds: 4
- Baths: 4.5
- Sq. Ft.: 4,908
- Stories: 2.0
- Lot Size: 1.17 acres
- Style: Single Family Residential
- Year Built: 1995
- Year Renovated: 1997
- County: San Mateo County
- APN: 073212210
Other
- Miscellaneous Information
- Incorporated: Yes
Around this home
Schools
- K - 12
- Preschool & daycare
Public K-3 • Assigned • 0.7mi
Public 4-8 • Assigned • 1.0mi
Public 9-12 • Assigned • 1.2mi
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
Estimated 80%+ chance of a flood reaching the building in the next 30 years
Unlikely to be in a wildfire in next 30 years
7 days above 95° expected this year, 13 days in 30 years
Minimal risk of severe winds over next 30 years
12 unhealthy days expected this year, 12 days in 30 years
Sun exposure
In this area, properties receive around 10.7 hours in June and 5 hours in December, placing it above the U.S. average for solar exposure.
Nearby similar homes





New listings for sale in 94027
Home values near 18 RESERVOIR Rd
| Address | Redfin Estimate |
|---|---|
5 Beds | 4 Baths | 3250 Sq. Ft. | $6,834,613 |
4 Beds | 3 Baths | 2785 Sq. Ft. | $10,502,636 |
6 Beds | 8 Baths | 11437 Sq. Ft. | $21,171,178 |
3 Beds | 3 Baths | 2720 Sq. Ft. | $6,751,177 |
5 Beds | 6.5 Baths | 7880 Sq. Ft. | $15,393,470 |
5 Beds | 4.5 Baths | 4250 Sq. Ft. | $7,805,334 |
2 Beds | 3 Baths | 3280 Sq. Ft. | $5,456,190 |
| Address | Redfin Estimate |
|---|---|
6 Beds | 6.5 Baths | 8700 Sq. Ft. | $11,756,551 |
4 Beds | 3 Baths | 2870 Sq. Ft. | $5,087,163 |
7 Beds | 7.5 Baths | 6130 Sq. Ft. | $10,432,180 |
3 Beds | 2.5 Baths | 3800 Sq. Ft. | $8,627,628 |
5 Beds | 4.5 Baths | 4980 Sq. Ft. | $10,239,428 |
6 Beds | 5 Baths | 7650 Sq. Ft. | $14,746,170 |
6 Beds | 6.5 Baths | 6285 Sq. Ft. | $13,790,193 |
| Address | Redfin Estimate |
|---|---|
4 Beds | 3.5 Baths | 3240 Sq. Ft. | $6,842,234 |
5 Beds | 5.5 Baths | 5895 Sq. Ft. | $15,057,636 |
5 Beds | 4.5 Baths | 5900 Sq. Ft. | $8,284,554 |
5 Beds | 5.5 Baths | 7570 Sq. Ft. | $15,133,349 |
6 Beds | 6.5 Baths | 8665 Sq. Ft. | $19,077,609 |
7 Beds | 6.5 Baths | 6815 Sq. Ft. | $10,173,870 |
4 Beds | 6.5 Baths | 8095 Sq. Ft. | $17,804,553 |
More real estate resources
- Zip Codes
- Cities
- Neighborhoods
- Popular Searches
| 94027 homes for sale | |||
| 94301 homes for sale | |||
| 94061 homes for sale | |||
| 94025 homes for sale | |||
| 94062 homes for sale |
| Oakland homes for sale | |||
| San Jose homes for sale | |||
| Fremont homes for sale |
| West of Alameda homes for sale |
Find us
Subsidiaries
Affiliated Business
Copyright: © 2026 Redfin. All rights reserved.
Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.
Do not sell or share my personal information.
REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.
California DRE #01521930
Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures
New Mexico Real Estate Licenses
TREC: Info About Brokerage Services, Consumer Protection Notice
All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.
Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.
If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.
REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.











United States
Canada