OFF MARKET

Off market jun 2009 for $1.9M

$5,366,285

Est. refi paymentEst. refi $6,662/mo

•

3,160

sq ft

100 CRYSTAL SPRINGS Rd, Hillsborough, CA 94010

About this home

Single-familyProperty Type

1968Year Built

0.5 acresLot Size

$1,698Est. Price/Sq.Ft.

2 car garageParking

Listed by Susan Michal •DRE #01837962 • Cashin Company

Contact: (650) 403-0303

Bought with Yelene Griffin • Compass

Redfin checked: 2 minutes ago

•Source:MLSListings #ML80923853

Redfin Estimate

$5,366,285

$3.4M since sold in June 2009$41K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 13.4% higher than the average sale price ($4.73M) of 6 comparable homes.

SOLD JUL 24, 2026
$3,000,000
A
4 beds4 baths2,850 sq ft
120 Gramercy Dr, San Mateo, CA 94402
SOLD SEP 14, 2026
$6,000,000
B
4 beds3.5 baths3,440 sq ft
336 Brentwood Rd, Hillsborough, CA 94010
SOLD JAN 12, 2026
$6,000,000
C
4 beds3.5 baths2,840 sq ft
130 Stonehedge Rd, Hillsborough, CA 94010
SOLD JUN 12, 2026
$4,800,000
D
5 beds3.5 baths3,270 sq ft
429 Virginia Ave, San Mateo, CA 94402
SOLD OCT 8, 2025
$5,650,000
E
4 beds3.5 baths3,170 sq ft
135 Rockridge Rd, Hillsborough, CA 94010
SOLD MAY 14, 2026
$2,950,000
F
4 beds3 baths2,520 sq ft
21 De Sabla Rd, San Mateo, CA 94402

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Earn from this home

Sell

$4,212,555

Est. take-home

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Est. cash available

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Rent

$10,434/mo

Redfin rental estimate

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Market trends in 94010, CA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

106.8%

0.3% MoM

Median sale price

$4.0M

$163K MoM

Avg. days on market

14d

2 days MoM

Recently sold homes

118

11 MoM

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See all

Provided by Redfin

Sale history for 100 CRYSTAL SPRINGS Rd

Year

Property tax

Land + Additions

Assessment*

2025

$35,197 (+2.2%)

$1,661,595 + $1,002,318

$2,663,913

2024

$34,431 (+1.8%)

$1,629,015 + $982,666

$2,611,681

2023

$33,832 (+4.2%)

$1,597,074 + $963,400

$2,560,474

2022

$32,476 (+2.3%)

$1,565,759 + $944,511

$2,510,270

2021

$31,758 (+1.9%)

$1,535,058 + $925,993

$2,461,051

2020

$31,176 (+2.5%)

$1,504,959 + $907,838

$2,412,797

2019

$30,414 (+3.1%)

$1,489,528 + $898,530

$2,388,058

2018

$29,488 (+2.0%)

$1,460,322 + $880,914

$2,341,236

2017

$28,923 (+2.9%)

$1,403,617 + $846,709

$2,250,326

2016

$28,114 (+3.4%)

$1,403,617 + $846,709

$2,250,326

2015

$27,193 (+2.7%)

$1,376,096 + $830,108

$2,206,204

2014

$26,468 (+6.9%)

$1,328,876 + $762,408

$2,091,284

2012

$24,765 (+3.5%)

$1,322,871 + $758,964

$2,081,835

2011

$23,933 (+1.7%)

$1,296,933 + $671,534

$1,968,467

2010

$23,542 (+365.7%)

$1,271,503 + $658,367

$1,929,870

2009

$5,055 (+14.2%)

$1,262,001 + $653,447

$1,915,448

2008

$4,428

$55,601 + $166,776

$222,377

Tax history for 100 CRYSTAL SPRINGS Rd

Year

Property tax

Land + Additions

Assessment*

2025

$35,197 (+2.2%)

$1,661,595 + $1,002,318

$2,663,913

2024

$34,431 (+1.8%)

$1,629,015 + $982,666

$2,611,681

2023

$33,832 (+4.2%)

$1,597,074 + $963,400

$2,560,474

2022

$32,476 (+2.3%)

$1,565,759 + $944,511

$2,510,270

2021

$31,758 (+1.9%)

$1,535,058 + $925,993

$2,461,051

2020

$31,176 (+2.5%)

$1,504,959 + $907,838

$2,412,797

2019

$30,414 (+3.1%)

$1,489,528 + $898,530

$2,388,058

2018

$29,488 (+2.0%)

$1,460,322 + $880,914

$2,341,236

2017

$28,923 (+2.9%)

$1,403,617 + $846,709

$2,250,326

2016

$28,114 (+3.4%)

$1,403,617 + $846,709

$2,250,326

2015

$27,193 (+2.7%)

$1,376,096 + $830,108

$2,206,204

2014

$26,468 (+6.9%)

$1,328,876 + $762,408

$2,091,284

2012

$24,765 (+3.5%)

$1,322,871 + $758,964

$2,081,835

2011

$23,933 (+1.7%)

$1,296,933 + $671,534

$1,968,467

2010

$23,542 (+365.7%)

$1,271,503 + $658,367

$1,929,870

2009

$5,055 (+14.2%)

$1,262,001 + $653,447

$1,915,448

2008

$4,428

$55,601 + $166,776

$222,377

*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
Permits

Beds

Baths

4.5

Stories

Lot width

—

Lot depth

—

Lot size

0.49 Acres

Year renovated

1990

Sq. Ft.

3,160

Year built

1968

Style

Single Family Residential

County

San Mateo County

APN

032422140

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 2, 2026.

Oct 22, 2025 • Final

Upper sewer lateral

Repair a sewer line using an open trench method in the yard.

Plumbing

Mar 4, 2015 • Final

Landscape

Perform landscaping work including grading and drainage improvements.

Grading

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): 2
Garage (Maximum): 2
Parking Description: Attached Garage, Gate/Door Opener, Guest/Visitor Parking, Off-Street Parking, Uncovered Parking
Garage Spaces: 2

Interior

Virtual Tour

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

Bathroom Information
# of Baths (Full): 3
# of Baths (1/2): 1
# of Baths (Minimum): 4
# of Baths (Maximum): 4
Bathroom Description: Shower Over Tub, 2+ Tubs, 2+ Stall Shower, Tub in Master Bedroom

Room Information
Utility Room, Workshop, Formal Entry, Attic, Storage
Family Room Description: Separate Family Room
Dining Room Description: Formal Dining Room, Breakfast Nook, Eat in Kitchen
Kitchen Description: Pantry, Dishwasher, Cooktop, Garbage Disposal, Refrigerator(s), 2+ Ovens, Oven (Self Cleaning), Oven (Built-In)

Interior Features
Laundry: In Laundry Room, Dryer, Washer
Flooring: Slate, Laminate, Carpet (Wall-to-Wall), Hardwood, Vinyl/Linoleum

Fireplace Information
Fireplace Description: In Family Room, In Living Room, Wood-Burning, Gas Starter, Fireplace Available

Heating & Cooling Information
Heating: Forced Air, Gas

Exterior

Exterior Features
View: Local/Neighborhood
Roof: Shingle
Yard/Grounds: Patio(s), Sprinkler(s) (Front), Sprinkler(s) (Rear), Sprinkler(s) (Auto), Barbecue Area, Deck, Fenced

Building Information
Builder Architect: Lars Ek
Style: Traditional
Subclass: Single Family Home
Building Type: Detached
Exterior: Wood, Brick, Stucco
Concrete Perimeter and Slab
Building Height (Minimum): 2
Building Height (Maximum): 2

Pool Information
Has Pool
Pool Description: In-Ground (Concrete), Sweep, Not Heated

Property Features
Amenities: Window Covering(s), Double Pane Windows(s), Garden Window(s), High Ceiling, Wet Bar, Bay Window, Vacuum (Central)
Communication: TV Antenna, Cable TV Available
Living Sq. Ft.: 3,160
Security Features: Security Alarm (Owned), Fire Alarm, Security Fence

Property Information
Level (Street/Main): 2 or more Master Suites, Bedroom(s)
Property Primary ID: 301178

Lot Information
Lot Description: Grade (Level), Grade (Sloped Down)
Lot Location: River/Stream/Lake
Lot Size Area Minimum Units: Sq. Ft.
Lot Size Area Maximum Units: Sq. Ft.
Lot Size Source: Assessor
Zoning: R100

Financial

Tax/Assessment Information
City Transfer Tax: Yes

Utilities

Utility Information
Energy Features: Insulation (Unknown), Double Pane Windows
Sewer Septic: Sewer or Septic Inspection Req'd, Sewer in Street, Sewer Connected

Water Information
Water: Heater (Gas), Public

Location

Multi-Unit Information
# of Stories: 2

School Information
Elementary School District: Hillsborough City Elementary
Middle School: Crocker Middle
High School District: San Mateo Union High

Public facts

Beds: 4
Baths: 4.5
Sq. Ft.: 3,160
Stories: 2.0
Lot Size: 0.49 acres
Style: Single Family Residential
Year Built: 1968
Year Renovated: 1990
County: San Mateo County
APN: 032422140

Home facts updated by county records on Sep 2, 2026

Other

Miscellaneous Information
Incorporated: Yes

Around this home

Schools

South Hillsborough School

Public K-5 • Assigned • 0.4mi

9/10

Crocker Middle School

Public 6-8 • Assigned • 1.8mi

8/10

San Mateo High School

Public 9-12 • Assigned • 1.2mi

9/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

9/10 Flood Factor

Estimated 80%+ 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

Hillsborough, CA • 94010

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

$5.10M – $6.17M

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Home values near 100 CRYSTAL SPRINGS Rd

Data from public records.

Address	Redfin Estimate
167 Crystal Springs Rd, San Mateo, CA 4 Beds \| 4 Baths \| 2741 Sq. Ft.	$2,321,018
153 Crystal Springs Rd, San Mateo, CA 3 Beds \| 3 Baths \| 3321 Sq. Ft.	$2,149,491

Address	Redfin Estimate
96 Crystal Springs Rd, Hillsborough, CA 7 Beds \| 8.5 Baths \| 5326 Sq. Ft.	$13,175,774
157 Crystal Springs Rd, San Mateo, CA 8 Beds \| 4 Baths \| - Sq. Ft.	$2,560,537

Address	Redfin Estimate
91 Crystal Springs Rd, Hillsborough, CA 4 Beds \| 4 Baths \| 3990 Sq. Ft.	$5,332,019
105 Baywood Ave, Hillsborough, CA 8 Beds \| 7 Baths \| 9355 Sq. Ft.	$11,193,149

Property information provided by MLSListings when last listed in 2009. 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 94010, CA

Sale history for 100 CRYSTAL SPRINGS Rd

Tax history for 100 CRYSTAL SPRINGS Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94010

Home values near 100 CRYSTAL SPRINGS Rd

More real estate resources