Google street view image for 66 CRYSTAL SPRINGS Rd, San Mateo, CA 94402

Off Market Nov 2008 for $2M

$4,166,894

Est. refi paymentEst. refi $11,934/mo

•

3,850

sq ft

66 CRYSTAL SPRINGS Rd, San Mateo, CA 94402

About this home

Single-familyProperty Type

1988Year Built

6,678 sq ftLot Size

$1,082Est. Price/Sq.Ft.

Listed by Maureen Gilmartin •DRE #01131467 • Gilmartin Group

Contact: (650) 348-2020

Bought with John H Fyten • Coldwell Banker Realty

Redfin checked: a few seconds ago

•Source:MLSListings #ML80822599

Redfin Estimate

$4,166,894

$2.2M since sold in November 2008$30K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 11.7% higher than the average sale price ($3.73M) of 6 comparable homes.

SOLD MAR 6, 2026
$3,625,000
A
5 beds3 baths3,730 sq ft
74 Crystal Springs Rd, San Mateo, CA 94402
SOLD AUG 5, 2026
$4,420,000
B
4 beds3 baths2,900 sq ft
459 Cornell Ave, San Mateo, CA 94402
SOLD JUN 18, 2026
$2,550,000
C
3 beds2.5 baths2,360 sq ft
55 Crystal Springs Rd, San Mateo, CA 94402
SOLD JUN 11, 2026
$4,450,000
D
4 beds3.5 baths2,940 sq ft
611 Nevada Ave, San Mateo, CA 94402
SOLD SEP 4, 2026
$4,195,000
E
4 beds3 baths2,930 sq ft
222 Harvard Rd, San Mateo, CA 94402
SOLD JUN 17, 2026
$3,150,000
F
4 beds3 baths3,218 sq ft
1120 Palm Ave, San Mateo, CA 94401

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Earn from this home

Sell

$3,072,132

Est. take-home

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Est. cash available

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Rent

$9,373/mo

Redfin rental estimate

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Market trends in 94402, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

106.6%

0.5% MoM

Median sale price

$2.5M

$129K MoM

Avg. days on market

12d

0 days MoM

Recently sold homes

6 MoM

New listings for sale

OPEN SUN, 2PM TO 4PM
$4,999,000
4 beds3.5 baths3,380 sq ft
342 Parrott Dr, San Mateo, CA 94402
OPEN SUN, 1PM TO 4PM
$4,595,000
4 beds3.5 baths2,720 sq ft
36 Belford Way, San Mateo, CA 94402
OPEN SUN, 1PM TO 4PM
$2,297,000
4 beds3 baths2,300 sq ft
940 S Idaho St, San Mateo, CA 94402
OPEN SUN, 2PM TO 4PM
$3,695,000
4 beds3 baths2,565 sq ft
210 Avila Rd, San Mateo, CA 94402
EARLY ACCESS
$1,885,000
3 beds3 baths1,930 sq ft
1800 Randall Rd, San Mateo, CA 94402
VIDEO TOUR
$4,498,000
3 beds2 baths2,190 sq ft
1586 Lexington Ave, San Mateo, CA 94402
$1,900,000
2 beds4 baths3,325 sq ft
414 E 16th Ave, San Mateo, CA 94402
OPEN SUN, 1PM TO 4PM
$1,798,000
3 beds2 baths1,450 sq ft
617 Harrow Ave, San Mateo, CA 94402
EARLY ACCESS
$7,500,000
4 beds4 baths3,802 sq ft
128 Clark Dr, San Mateo, CA 94402
OPEN SUN, 1PM TO 4PM
$1,688,000
3 beds2.5 baths1,250 sq ft
1103 Birch Ave, San Mateo, CA 94402
(650) 438-2444
See all

Provided by Redfin

Sale history for 66 CRYSTAL SPRINGS Rd

Date

Event

Price

MLSListings #ML80822599

Nov 18, 2008

Sold

$2,000,000

$519/sq ft

Oct 15, 2008

Listing Removed

—

Sep 30, 2008

Contingent

—

Sep 2, 2008

Price Changed

$2,100,000

$545/sq ft

Jul 31, 2008

Price Changed

$2,175,000

$565/sq ft

Jul 18, 2008

Listed

$2,300,000

$597/sq ft

Public Records

Nov 1, 2004

Sold

$1,825,000

$474/sq ft

Public Records

Feb 23, 2000

Sold

$1,200,000

$312/sq ft

MLSListings #ML80000557

Feb 23, 2000

Listing Removed

—

Jan 25, 2000

Sold

$1,200,000

$312/sq ft

Jan 7, 2000

Listed

$1,280,000

$332/sq ft

Public Records

May 15, 1992

Sold

$830,000

$216/sq ft

Public Records

Mar 10, 1989

Sold

$865,000

$225/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$32,555 (+3.5%)

$1,313,513 + $1,313,513

$2,627,026

2024

$31,468 (+2.7%)

$1,287,758 + $1,287,758

$2,575,516

2023

$30,642 (+1.2%)

$1,262,508 + $1,262,508

$2,525,016

2022

$30,293 (+0.9%)

$1,237,753 + $1,237,753

$2,475,506

2021

$30,011 (+5.3%)

$1,213,484 + $1,213,484

$2,426,968

2020

$28,489 (+3.4%)

$1,189,691 + $1,189,691

$2,379,382

2019

$27,563 (+3.1%)

$1,177,493 + $1,177,493

$2,354,986

2018

$26,727 (+0.2%)

$1,154,405 + $1,154,405

$2,308,810

2017

$26,677 (+1.6%)

$1,109,579 + $1,109,579

$2,219,158

2016

$26,256 (+2.6%)

$1,109,579 + $1,109,579

$2,219,158

2015

$25,595 (+1.1%)

$1,087,823 + $1,087,823

$2,175,646

2014

$25,309 (+6.5%)

$1,050,495 + $1,050,495

$2,100,990

2012

$23,767 (+2.7%)

$1,045,748 + $1,045,748

$2,091,496

2011

$23,141 (+1.5%)

$1,025,244 + $1,025,244

$2,050,488

2010

$22,809 (+1.2%)

$1,005,142 + $1,005,142

$2,010,284

2009

$22,537 (+4.1%)

$997,630 + $997,630

$1,995,260

2008

$21,651

$1,000,000 + $1,000,000

$2,000,000

Tax history for 66 CRYSTAL SPRINGS Rd

Year

Property tax

Land + Additions

Assessment*

2025

$32,555 (+3.5%)

$1,313,513 + $1,313,513

$2,627,026

2024

$31,468 (+2.7%)

$1,287,758 + $1,287,758

$2,575,516

2023

$30,642 (+1.2%)

$1,262,508 + $1,262,508

$2,525,016

2022

$30,293 (+0.9%)

$1,237,753 + $1,237,753

$2,475,506

2021

$30,011 (+5.3%)

$1,213,484 + $1,213,484

$2,426,968

2020

$28,489 (+3.4%)

$1,189,691 + $1,189,691

$2,379,382

2019

$27,563 (+3.1%)

$1,177,493 + $1,177,493

$2,354,986

2018

$26,727 (+0.2%)

$1,154,405 + $1,154,405

$2,308,810

2017

$26,677 (+1.6%)

$1,109,579 + $1,109,579

$2,219,158

2016

$26,256 (+2.6%)

$1,109,579 + $1,109,579

$2,219,158

2015

$25,595 (+1.1%)

$1,087,823 + $1,087,823

$2,175,646

2014

$25,309 (+6.5%)

$1,050,495 + $1,050,495

$2,100,990

2012

$23,767 (+2.7%)

$1,045,748 + $1,045,748

$2,091,496

2011

$23,141 (+1.5%)

$1,025,244 + $1,025,244

$2,050,488

2010

$22,809 (+1.2%)

$1,005,142 + $1,005,142

$2,010,284

2009

$22,537 (+4.1%)

$997,630 + $997,630

$1,995,260

2008

$21,651

$1,000,000 + $1,000,000

$2,000,000

*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

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

6,904 Sq. Ft.

Year renovated

—

Sq. Ft.

3,850

Year built

1988

Style

Single Family Residential

County

San Mateo County

APN

032441550

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 2, 2026.

R1B

Single-Family Residence Districts

The R1 Single-Family Residence Districts are intended to create, preserve and enhance areas suitable for single-family dwellings with a substantial presence of open space and opportunities for outdoor living. The R1 districts are intended to protect the character and variety of neighborhoods, preserve privacy and prevent burdens on public facilities, while allowing reasonable housing opportunities for families.

Permitted uses

Include but are not limited to:

Day care facility
Housing-Single unit
Housing-Mobile home park

Property details

Parking

Parking Information
Garage (Minimum): 3
Parking Description: Attached Garage, Gate/Door Opener, Off-Street Parking

Interior

Virtual Tour

Bedroom Information
# of Bedrooms (Minimum): 4
# of Bedrooms (Maximum): 4
Bedrooms: 2+ Primary Suites/Retreats

Bathroom Information
# of Baths (Full): 3
# of Baths (Minimum): 3
# of Baths (Maximum): 3
Bathroom Description: Tubs, 2+ Stall Shower, Tub in Master Bedroom, Tub w/Jets

Room Information
Formal Entry, Attic
Family Room Description: Separate Family Room
Dining Room Description: Formal Dining Room, Breakfast Room, Eat in Kitchen
Kitchen Description: Dishwasher, Cooktop, Garbage Disposal, Refrigerator(s), 2+ Dishwashers, 2+ Ovens, Oven (Self Cleaning), Trash Compactor, Oven (Built-In), 220 Volt Outlet, Hookups (Gas)

Interior Features
Laundry: In Laundry Room, 220 Volt Outlet
Flooring: Carpet (Area), Tile, Carpet (Wall-to-Wall), Hardwood, Marble

Fireplace Information
Fireplace Description: In Family Room, In Living Room, In Primary Bedroom, Gas Log, Gas Starter, Two-Way, Fireplace Available

Heating & Cooling Information
Heating: Forced Air

Exterior

Exterior Features
View: Local/Neighborhood
Roof: Shake
Yard/Grounds: Enclosed Porch, Sprinkler(s) (Auto), Deck, Fenced

Building Information
Style: Traditional
Subclass: Single Family Home
Building Type: Detached
Exterior: Stone, Stucco
Concrete Perimeter
Building Height (Minimum): 2
Building Height (Maximum): 2

Property Features
Amenities: Window Covering(s), Double Pane Windows(s), High Ceiling, Vaulted Ceiling
Communication: Intercom, Cable TV Available
Living Sq. Ft.: 3,850
Security Features: Security Fence
Special Features: Bathroom Rail(s), Bathroom Features

Property Information
Level (Street/Main): 2 or more Master Suites
Property Primary ID: 40553

Lot Information
Lot Description: Grade (Level)
Lot Size Area Minimum Units: Sq. Ft.
Lot Size Area Maximum Units: Sq. Ft.
Lot Size Source: Assessor
Zoning: R100

Utilities

Utility Information
Energy Features: Ceiling Insulation, Insulation (Per Owner), Caulked/Sealed, Insulated Water Heater, Weather Stripped Door(s), Double Pane Windows, 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: San Mateo-Foster City Elementary
High School District: San Mateo Union High

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 3,850
Stories: 2.0
Lot Size: 6,904 square feet
Style: Single Family Residential
Year Built: 1988
Year Renovated: —
County: San Mateo County
APN: 032441550

Home facts updated by county records on Sep 2, 2026

Other

Miscellaneous Information
Incorporated: Yes

Around this home

Schools

Baywood Elementary School

Public K-5 • Assigned • 0.8mi

7/10

Borel Middle School

Public 6-8 • Assigned • 1.0mi

8/10

San Mateo High School

Public 9-12 • Assigned • 1.0mi

9/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

San Mateo stayed one of the Peninsula's busiest markets. Homes averaged 110% of asking price, and buyers continue to compete for updated homes in neighborhoods like Aragon, Baywood and Beresford Park.
2 months ago • San Mateo
Sasai Zhang
Redfin Premier agent
182 deals
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Climate risks

7/10 Flood Factor

Estimated 73-81% chance of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

2/10 Heat Factor

7 days above 86° expected this year, 15 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

7/10 Air Factor

12 unhealthy days expected this year, 12 days in 30 years

Provided by First Street

Historical weather

San Mateo, CA • 94402

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 10.8 hours in June and 5 hours in December, placing it above the U.S. average for solar exposure.

10.8 hrs

5 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$3.96M – $4.79M

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Nearby similar homes

OPEN SUN, 2PM TO 4PM

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Land— sq ft

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3D WALKTHROUGH

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New listings for sale in 94402

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OPEN SUN, 1PM TO 4PM3D WALKTHROUGH

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OPEN SUN, 1PM TO 4PM

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EARLY ACCESSCOMPASS COMING SOON

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VIDEO TOUR

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OPEN SUN, 1PM TO 4PM

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EARLY ACCESSCOLDWELL BANKER REALTY COMING SOON

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Home values near 66 CRYSTAL SPRINGS Rd

Data from public records.

Address	Redfin Estimate
74 Crystal Springs Rd, San Mateo, CA 5 Beds \| 3 Baths \| 3730 Sq. Ft.	$4,080,927
38 Crystal Springs Rd Apartment 5, San Mateo, CA 1 Beds \| 1 Baths \| - Sq. Ft.	$549,624

Address	Redfin Estimate
55 Crystal Springs Rd, San Mateo, CA 3 Beds \| 2.5 Baths \| 2360 Sq. Ft.	$2,970,200
40 Crystal Springs Rd, San Mateo, CA 1 Beds \| 1 Baths \| 700 Sq. Ft.	$658,373

Address	Redfin Estimate
38 Crystal Springs Rd Apartment 1, San Mateo, CA 2 Beds \| 2 Baths \| 990 Sq. Ft.	$821,384
40 Crystal Springs Rd, San Mateo, CA 2 Beds \| 2 Baths \| 990 Sq. Ft.	$812,687

Property information provided by MLSListings when last listed in 2008. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 94402, CA

Sale history for 66 CRYSTAL SPRINGS Rd

Tax history for 66 CRYSTAL SPRINGS Rd

Public record

Property details

Around this home

Schools

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94402

Home values near 66 CRYSTAL SPRINGS Rd

More real estate resources