815 Crystal Springs Road

THE BEST OF HILLSBOROUGH! 815 Crystal Springs Rd presents an exceptional blend of luxury, privacy, & resort-style living in one of Hillsborough's most desirable settings. Thoughtfully remodeled in 2016, this 3,345 sq ft residence sits on an expansive 19,598 sq ft lot and offers 4 bedrooms and 3.5 baths, including a beautifully appointed pool house, versatile studio/bonus room, and finished basement. A gated entry opens to a generous paver motor court and oversized finished 2-car garage with EV charging, sink, and refrigerator. Inside, an open-concept layout showcases a formal living room with fireplace, dining area, & a chef's kitchen is with a six-burner gas range, built-in refrigerator, wine refrigeration, and a center island with prep sink & breakfast bar, and family room with wet bar and fireplace. A private office with separate entrance adds flexibility. The covered outdoor living area features a full kitchen, fireplace, TV, heaters, and built-in speakers for year-round enjoyment. The primary suite offers vaulted ceilings, dual closets, and a spa-like bath with heated floors. Grounds include lawn, gardens, fruit trees, peaceful stream, redwoods, and a pool/spa retreat. Close to downtown San Mateo and many top schools. TOO MANY DETAILS TO LIST HERE, a must see so don't wait!

Days on Market

11 days

Current Status

Active

Original Price

$3,990,000

List Price

$3,990,000

On Market Date

Mar 27, 2026

Property Type

Single Family Home

Area

442 - Hillsborough Park Etc.

Zip Code

94010

MLS ID

ML82040633

APN

031-334-030

Year Built

1935

Stories in Building

Unavailable

Possession

Unavailable

Data Source

MLSL

Origin MLS System

MLSListings, Inc.

Bed

4

Bath

4 (3/1)

Double Sinks, Stall Shower, Tile, Updated Bath, Other

Parking

3

Attached Garage, Common Parking Area, Detached Garage, Other

SQ FT

3,345

SQ FT Source

Unavailable

Lot SQ FT

19,598.0

Lot Acres

0.449908 Acres

Pool Info

Yes

Kitchen

Dishwasher, Exhaust Fan, Island, Island with Sink, Microwave, Oven Range, Refrigerator, Wine Refrigerator, Other

Cooling

Central AC

Dining Room

Breakfast Nook, Dining Area, Eat in Kitchen, Formal Dining Room

Disclosures

Natural Hazard Disclosure

Family Room

Separate Family Room

Foundation

Other

Fire Place

Family Room, Living Room

Heating

Central Forced Air - Gas, Gas

Laundry

Inside

Fee

Unavailable

MLS and other Information regarding properties for sale as shown in Theo have been obtained from various sources such as sellers, public records, agents and other third parties. This information may relate to the condition of the property, permitted or unpermitted uses, zoning, square footage, lot size/acreage or other matters affecting value or desirability. Unless otherwise indicated in writing, neither brokers, agents nor Theo have verified, or will verify, such information. If any such information is important to buyer in determining whether to buy, the price to pay or intended use of the property, buyer is urged to conduct their own investigation with qualified professionals, satisfy themselves with respect to that information, and to rely solely on the results of that investigation.

School data provided by GreatSchools. School service boundaries are intended to be used as reference only. To verify enrollment eligibility for a property, contact the school directly.