OFF MARKET

Off market jul 2009 for $1.8M

$4,790,230

Est. refi paymentEst. refi $11,847/mo

•

— ba

•

2,800

sq ft

818 CRYSTAL SPRINGS Rd, Hillsborough, CA 94010

About this home

Tremendous value in any market! Incredible opportunity to get into Lower South Hillsborough at an amazing price. Generously set back from the street on a huge +/-. 69 acre gated lot with majestic trees, this charming English Country home exudes timeless elegance. Offers an enchanting, tranquil setting with expansive level rear lawns & large children's play area. 4 bedroom suites. Move-in condition.

Single-familyProperty Type

1936Year Built

0.69 acresLot Size

$1,711Est. Price/Sq.Ft.

2 car garageParking

Listed by Jim Arbeed •DRE #01060476 • Coldwell Banker Realty

Contact: (650) 558-4248

Bought with Dan Gilmartin •DRE #01220872 • IRN Realty

Redfin checked: 2 minutes ago

•Source:MLSListings #ML80925977

Redfin Estimate

$4,790,230

$3.0M since sold in July 2009$116K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 4.8% higher than the average sale price ($4.57M) of 6 comparable homes.

SOLD AUG 5, 2026
$4,420,000
A
4 beds3 baths2,900 sq ft
459 Cornell Ave, San Mateo, CA 94402
SOLD SEP 4, 2026
$4,195,000
B
4 beds3 baths2,930 sq ft
222 Harvard Rd, San Mateo, CA 94402
SOLD OCT 16, 2026
$5,800,000
C
3 beds3 baths2,680 sq ft
739 El Cerrito Ave, Hillsborough, CA 94010
SOLD AUG 24, 2026
$4,500,000
D
4 beds3 baths2,420 sq ft
1032 La Cuesta Rd, Hillsborough, CA 94010
SOLD MAY 29, 2026
$4,950,000
E
4 beds3.5 baths3,345 sq ft
815 Crystal Springs Rd, Hillsborough, CA 94010
SOLD APR 21, 2026
$3,550,000
F
4 beds3 baths3,050 sq ft
250 Harvard Rd, San Mateo, CA 94402

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Earn from this home

Sell

$3,721,743

Est. take-home

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Est. cash available

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Rent

$9,441/mo

Redfin rental estimate

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Market trends in 94010, CA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

106.2%

0.5% MoM

Median sale price

$3.6M

$417K MoM

Avg. days on market

17d

3 days MoM

Recently sold homes

110

8 MoM

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See all

Provided by Redfin

Sale history for 818 CRYSTAL SPRINGS Rd

Date

Event

Price

bridgeMLS, Bay East AOR, or Contra Costa AOR #ML80816908

Oct 12, 2017

Listing Removed

—

bridgeMLS, Bay East AOR, or Contra Costa AOR #ML80840408

Dec 15, 2016

Listing Removed

—

bridgeMLS, Bay East AOR, or Contra Costa AOR #ML80902495

Dec 15, 2016

Listing Removed

—

bridgeMLS, Bay East AOR, or Contra Costa AOR #ML80910931

Dec 15, 2016

Listing Removed

—

MLSListings #ML80925977

Jul 30, 2009

Sold

$1,800,000

$643/sq ft

Jul 16, 2009

Pending

—

Jul 2, 2009

Contingent

—

Jun 22, 2009

Relisted

—

Jun 9, 2009

Contingent

—

May 29, 2009

Listed

$1,799,000

$643/sq ft

MLSListings #ML80516943

Apr 5, 2005

Sold

$2,000,000

$714/sq ft

Apr 5, 2005

Listed

$2,000,000

$714/sq ft

Apr 5, 2005

Listing Removed

—

Public Records

Apr 21, 1989

Sold

$825,000

$295/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$31,973 (+2.3%)

$2,113,203 + $256,735

$2,369,938

2024

$31,270 (+1.8%)

$2,071,768 + $251,701

$2,323,469

2023

$30,716 (+4.2%)

$2,031,146 + $246,766

$2,277,912

2022

$29,490 (+2.3%)

$1,991,320 + $241,928

$2,233,248

2021

$28,826 (+1.9%)

$1,952,275 + $237,185

$2,189,460

2020

$28,290 (+2.6%)

$1,913,996 + $232,535

$2,146,531

2019

$27,586 (+3.2%)

$1,894,371 + $230,151

$2,124,522

2018

$26,739 (+2.0%)

$1,857,227 + $225,639

$2,082,866

2017

$26,205 (+2.9%)

$1,785,109 + $216,878

$2,001,987

2016

$25,456 (+1.8%)

$1,785,109 + $216,878

$2,001,987

2015

$24,999 (+2.8%)

$1,750,107 + $212,626

$1,962,733

2014

$24,326 (+4.0%)

$1,690,052 + $205,331

$1,895,383

2012

$23,402 (+3.6%)

$1,682,414 + $204,404

$1,886,818

2011

$22,592 (+1.7%)

$1,649,426 + $200,397

$1,849,823

2010

$22,216 (−14.9%)

$1,617,085 + $196,468

$1,813,553

2009

$26,111 (+2.6%)

$1,605,000 + $195,000

$1,800,000

2008

$25,450

$1,082,432 + $1,082,432

$2,164,864

Tax history for 818 CRYSTAL SPRINGS Rd

Year

Property tax

Land + Additions

Assessment*

2025

$31,973 (+2.3%)

$2,113,203 + $256,735

$2,369,938

2024

$31,270 (+1.8%)

$2,071,768 + $251,701

$2,323,469

2023

$30,716 (+4.2%)

$2,031,146 + $246,766

$2,277,912

2022

$29,490 (+2.3%)

$1,991,320 + $241,928

$2,233,248

2021

$28,826 (+1.9%)

$1,952,275 + $237,185

$2,189,460

2020

$28,290 (+2.6%)

$1,913,996 + $232,535

$2,146,531

2019

$27,586 (+3.2%)

$1,894,371 + $230,151

$2,124,522

2018

$26,739 (+2.0%)

$1,857,227 + $225,639

$2,082,866

2017

$26,205 (+2.9%)

$1,785,109 + $216,878

$2,001,987

2016

$25,456 (+1.8%)

$1,785,109 + $216,878

$2,001,987

2015

$24,999 (+2.8%)

$1,750,107 + $212,626

$1,962,733

2014

$24,326 (+4.0%)

$1,690,052 + $205,331

$1,895,383

2012

$23,402 (+3.6%)

$1,682,414 + $204,404

$1,886,818

2011

$22,592 (+1.7%)

$1,649,426 + $200,397

$1,849,823

2010

$22,216 (−14.9%)

$1,617,085 + $196,468

$1,813,553

2009

$26,111 (+2.6%)

$1,605,000 + $195,000

$1,800,000

2008

$25,450

$1,082,432 + $1,082,432

$2,164,864

*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

Stories

Lot width

—

Lot depth

—

Lot size

0.69 Acres

Year renovated

—

Sq. Ft.

2,800

Year built

1936

Style

Single Family Residential

County

San Mateo County

APN

031333060

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 2, 2026.

Aug 11, 2009 • Final

Upper sewer lateral

Perform a sewer water test on the existing backwater system.

Plumbing

Aug 11, 2009 • Final

Lower sewer lateral

Review video footage and replace the sewer line to the main connection.

Plumbing

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
Garage Spaces: 2

Interior

Virtual Tour

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

Bathroom Information
Bathroom Description: 2+ Showers Over Tubs, 2+ Tubs, 2+ Stall Shower, Tub in Master Bedroom, Tub w/Jets

Room Information
Utility Room, Storage
Family Room Description: No Separate Family Room
Dining Room Description: Formal Dining Room, Breakfast Nook, Eat in Kitchen
Kitchen Description: Dishwasher, Cooktop, Garbage Disposal, Refrigerator(s), Microwave, Oven (Built-In)

Interior Features
Laundry: In Laundry Room
Flooring: Tile, Carpet (Wall-to-Wall), Hardwood

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

Heating & Cooling Information
Heating: Heating (2+ Zones), Forced Air, Gas

Exterior

Exterior Features
View: Local/Neighborhood
Roof: Composition
Yard/Grounds: Patio(s), Sprinkler(s) (Front), Sprinkler(s) (Rear), Sprinkler(s) (Auto)

Building Information
Style: Country English
Subclass: Single Family Home
Building Type: Detached
Exterior: Brick, Stucco
Concrete Slab
Building Height (Minimum): 2
Building Height (Maximum): 2

Pool Information
Pool Description: Possible Site

Property Features
Living Sq. Ft.: 2,800

Property Information
Level (Street/Main): 2 or more Master Suites
Property Primary ID: 5414

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

Utilities

Utility Information
Sewer Septic: Sewer in Street, Sewer Connected

Water Information
Water: Public

Location

Multi-Unit Information
# of Stories: 2

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

Public facts

Beds: 3
Baths: 3.0
Sq. Ft.: 2,800
Stories: 2.0
Lot Size: 0.69 acres
Style: Single Family Residential
Year Built: 1936
Year Renovated: —
County: San Mateo County
APN: 031333060

Home facts updated by county records on Sep 2, 2026

Other

Miscellaneous Information
Incorporated: Yes

Around this home

Schools

K - 12
Preschool & daycare

South Hillsborough School

Public K-5 • Assigned • 0.7mi

9/10

Crocker Middle School

Public 6-8 • Assigned • 1.6mi

8/10

San Mateo High School

Public 9-12 • Assigned • 1.9mi

9/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

3/10 Flood Factor

Estimated 10-14% 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

5 days above 86° expected this year, 10 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 10.5 hours in June and 5 hours in December, placing it above the U.S. average for solar exposure.

10.5 hrs

5 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$4.55M – $5.51M

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Home values near 818 CRYSTAL SPRINGS Rd

Data from public records.

Address	Redfin Estimate
805 Crystal Springs Rd, Hillsborough, CA 3 Beds \| 2 Baths \| 1650 Sq. Ft.	$3,354,097
815 Crystal Springs Rd, Hillsborough, CA 4 Beds \| 3.5 Baths \| 3345 Sq. Ft.	$5,795,756
751 Endfield Way, Hillsborough, CA 2 Beds \| 2 Baths \| 3130 Sq. Ft.	$4,463,187
822 Columbia Dr, San Mateo, CA 5 Beds \| 4.5 Baths \| 3180 Sq. Ft.	$4,706,436
777 El Cerrito Ave, Hillsborough, CA 3 Beds \| 2.5 Baths \| 2630 Sq. Ft.	$4,196,723
818 Columbia Dr, San Mateo, CA 3 Beds \| 3 Baths \| 1930 Sq. Ft.	$3,461,823
133 Ridgeway Rd, Hillsborough, CA 5 Beds \| 5.5 Baths \| 5847 Sq. Ft.	$9,142,798

Address	Redfin Estimate
807 Crystal Springs Rd, Hillsborough, CA 4 Beds \| 4 Baths \| 2836 Sq. Ft.	$4,592,862
791 Crystal Springs Rd, San Mateo, CA 4 Beds \| 4 Baths \| 4060 Sq. Ft.	$4,502,604
5 Buckeye Ct, Hillsborough, CA 5 Beds \| 4 Baths \| 3950 Sq. Ft.	$6,170,335
828 Columbia Dr, San Mateo, CA 4 Beds \| 3 Baths \| 3679 Sq. Ft.	$5,955,430
808 Columbia Dr, San Mateo, CA 3 Beds \| 3.5 Baths \| 3050 Sq. Ft.	$3,974,291
775 Bowhill Rd, Hillsborough, CA 4 Beds \| 3.5 Baths \| 3282 Sq. Ft.	$5,290,714
78 Oak Valley Rd, San Mateo, CA 3 Beds \| 3 Baths \| 2510 Sq. Ft.	$3,377,693

Address	Redfin Estimate
771 Crystal Springs Rd, San Mateo, CA 3 Beds \| 2 Baths \| 2500 Sq. Ft.	$3,332,782
801 Crystal Springs Rd, San Mateo, CA 4 Beds \| 4 Baths \| 3320 Sq. Ft.	$3,404,442
773 El Cerrito Ave, Hillsborough, CA 3 Beds \| 2.5 Baths \| 2950 Sq. Ft.	$4,387,645
750 Columbia Dr, San Mateo, CA 4 Beds \| 3.5 Baths \| 3568 Sq. Ft.	$5,094,677
800 Columbia Dr, San Mateo, CA 5 Beds \| 3 Baths \| 3510 Sq. Ft.	$4,862,194
105 Ridgeway Rd, Hillsborough, CA 4 Beds \| 2.5 Baths \| 2800 Sq. Ft.	$4,983,741
790 Bowhill Rd, Hillsborough, CA 4 Beds \| 3.5 Baths \| 3426 Sq. Ft.	$5,597,306

Property information provided by MLSListings when last listed in 2009. This data may not match . Learn more.

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About this home

Redfin Estimate

Earn from this home

Market trends in 94010, CA

Sale history for 818 CRYSTAL SPRINGS Rd

Tax history for 818 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 818 CRYSTAL SPRINGS Rd

More real estate resources