Google street view image for 840 Crystal Springs Rd, San Bruno, CA 94066

Off market mar 1984 for $110K

$1,116,201

Est. refi paymentEst. refi $647/mo

•

1 ba

•

1,020

sq ft

840 Crystal Springs Rd, San Bruno, CA 94066

About this home

840 Crystal Springs Rd is a 1,020 square foot house on a 4,696 square foot lot with 2 bedrooms and 1 bathroom. - it last sold on March 27, 1984 for $110,000. Based on Redfin's San Bruno data, we estimate the home's value is $1,116,201.

Single-familyProperty Type

1941Year Built

4,696 sq ftLot Size

$1,094Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,116,201

$1.0M since sold in March 1984$12K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 1.3% lower than the average sale price ($1.13M) of 6 comparable homes.

SOLD OCT 16, 2026
$980,000
A
3 beds1 bath990 sq ft
436 San Felipe Ave, San Bruno, CA 94066
SOLD AUG 18, 2026
$1,165,000
B
2 beds1 bath960 sq ft
527 Poplar Ave, San Bruno, CA 94066
SOLD JUL 31, 2026
$737,500
C
2 beds1 bath940 sq ft
229 Angus E, San Bruno, CA 94066
SOLD MAY 7, 2026
$1,255,000
D
2 beds1 bath960 sq ft
611 Elm Ave, San Bruno, CA 94066
SOLD JUN 25, 2026
$1,350,000
E
2 beds1 bath890 sq ft
780 Acacia Ave, San Bruno, CA 94066
SOLD MAY 19, 2026
$1,295,000
F
2 beds1 bath980 sq ft
750 Acacia Ave, San Bruno, CA 94066

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Earn from this home

Sell

$1,056,600

Est. take-home

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Refinance

Est. cash available

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Rent

$3,673/mo

Redfin rental estimate

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Market trends in 94066, CA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

103.7%

2.1% MoM

Median sale price

$1.2M

$80K MoM

Avg. days on market

15d

0 days MoM

Recently sold homes

7 MoM

New listings for sale

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$1,688,000
3 beds2 baths1,853 sq ft
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HOT HOME
$1,295,000
3 beds2 baths1,140 sq ft
2351 Valleywood Dr, San Bruno, CA 94066
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OPEN SAT, 1PM TO 4PM
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See all

Provided by Redfin

Sale history for 840 Crystal Springs Rd

Year

Property tax

Land + Additions

Assessment*

2025

$3,349 (+2.0%)

$116,205 + $116,205

$232,410

2024

$3,284 (+36.6%)

$113,927 + $113,927

$227,854

2023

$2,405 (+1.2%)

$111,694 + $111,694

$223,388

2022

$2,376 (+1.4%)

$109,504 + $109,504

$219,008

2021

$2,344 (+1.0%)

$107,357 + $107,357

$214,714

2020

$2,322 (+1.7%)

$105,252 + $105,252

$210,504

2019

$2,283 (+5.1%)

$104,173 + $104,173

$208,346

2018

$2,171 (+1.1%)

$102,131 + $102,131

$204,262

2017

$2,147 (+2.6%)

$98,166 + $98,166

$196,332

2016

$2,093 (+1.4%)

$98,166 + $98,166

$196,332

2015

$2,065 (+1.5%)

$96,242 + $96,242

$192,484

2014

$2,034 (+1.4%)

$92,941 + $92,941

$185,882

2012

$2,006 (+1.9%)

$92,521 + $92,521

$185,042

2011

$1,968 (+1.4%)

$90,707 + $90,707

$181,414

2010

$1,940 (+1.8%)

$88,929 + $88,929

$177,858

2009

$1,905 (+2.9%)

$88,265 + $88,265

$176,530

2008

$1,852

$88,475 + $88,475

$176,950

Tax history for 840 Crystal Springs Rd

Year

Property tax

Land + Additions

Assessment*

2025

$3,349 (+2.0%)

$116,205 + $116,205

$232,410

2024

$3,284 (+36.6%)

$113,927 + $113,927

$227,854

2023

$2,405 (+1.2%)

$111,694 + $111,694

$223,388

2022

$2,376 (+1.4%)

$109,504 + $109,504

$219,008

2021

$2,344 (+1.0%)

$107,357 + $107,357

$214,714

2020

$2,322 (+1.7%)

$105,252 + $105,252

$210,504

2019

$2,283 (+5.1%)

$104,173 + $104,173

$208,346

2018

$2,171 (+1.1%)

$102,131 + $102,131

$204,262

2017

$2,147 (+2.6%)

$98,166 + $98,166

$196,332

2016

$2,093 (+1.4%)

$98,166 + $98,166

$196,332

2015

$2,065 (+1.5%)

$96,242 + $96,242

$192,484

2014

$2,034 (+1.4%)

$92,941 + $92,941

$185,882

2012

$2,006 (+1.9%)

$92,521 + $92,521

$185,042

2011

$1,968 (+1.4%)

$90,707 + $90,707

$181,414

2010

$1,940 (+1.8%)

$88,929 + $88,929

$177,858

2009

$1,905 (+2.9%)

$88,265 + $88,265

$176,530

2008

$1,852

$88,475 + $88,475

$176,950

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning and permits

Zoning
Permits

R-1

Single-Family Residential District

To encourage the development of low density residential uses. This type of density is usually associated with single-family structures. However, uses related to single-family residences, such as schools, places of worship, and child care centers may be permitted in the R-1 districts by use permit or by planned unit permit under Chapter 12.116. Innovation in development of clustered housing, open space, and other amenities which make for a more desirable living environment.

Permitted uses

Include but are not limited to:

Housing-Single unit
Housing-Senior
Recreation
Park & open space

Mar 3, 2025 • Active

840 crystal springs rd - electric service upgrade

Upgrade the electrical service panel from 100 amps to 200 amps.

Electrical

Feb 19, 2025 • Active

840 crystal springs rd - bathroom remodel

Remodel a bathroom by upgrading fixtures. No changes will be made to the square footage.

Bathroom

Remodel

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

Interior

Bathroom Information
# of Full Baths: 1

Heating & Cooling
Air Conditioning Type: Central

Room Information
# of Rooms: 5

Exterior

Exterior Information
Construction Type: Wood/Steel
Building Construction Quality: Good

View Information
View: Average

Property Information
Subdivision Name: UNCLE TOMS PARK
Living Sq. Ft: 1,020
Ground Floor Sq. Ft: 1,020
Building Sq. Ft: 1,270
# of Stories: 1
Legal Description: LOT 2 & ADJ PTN OF LOT 3 BLOCK A UNCLE TOMS PARK RSM 22/34

Parking & Garage Information
# of Parking Spaces: 1
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 250
Garage / Carport Type: Attached

Lot Information
# of Buildings: 1
Land Sq. Ft: 4,696
Legal Lot Number: 2
Legal Block Number: A
Acres: 0.1078
Depth Footage: 96
Front Footage: 48
Zoning Code: R10006
County Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 2
Baths: 1.0
Sq. Ft.: 1,020
Stories: 1.0
Lot Size: 4,696 square feet
Style: Single Family Residential
Year Built: 1941
Year Renovated: —
County: San Mateo County
APN: 020291110

Home facts updated by county records on Sep 2, 2026

Around this home

Schools

Allen (Decima M.) Elementary School

Public K-5 • Assigned • 0.4mi

6/10

Parkside Intermediate School

Public 6-8 • Assigned • 0.4mi

5/10

Capuchino High School

Public 9-12 • Assigned • 0.7mi

7/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk 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

9 days above 81° expected this year, 20 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 Bruno, CA • 94066

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

$1.06M – $1.28M

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Home values near 840 Crystal Springs Rd

Data from public records.

Address	Redfin Estimate
880 Crystal Springs Road, San Bruno, CA 3 Beds \| 2 Baths \| 2159 Sq. Ft.	$1,869,655
741 Crystal Springs Road, San Bruno, CA 5 Beds \| 1 Baths \| 1920 Sq. Ft.	$1,256,565

Address	Redfin Estimate
936 Crystal Springs Road, San Bruno, CA 5 Beds \| 3 Baths \| 2045 Sq. Ft.	$1,700,383
865 Crystal Springs Road, San Bruno, CA 3 Beds \| 1 Baths \| 1350 Sq. Ft.	$1,252,240

Address	Redfin Estimate
864 Crystal Springs Road, San Bruno, CA 2 Beds \| 1 Baths \| 850 Sq. Ft.	$1,097,441
903 Crystal Springs Road, San Bruno, CA 2 Beds \| 1 Baths \| 820 Sq. Ft.	$992,239

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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 94066, CA

Sale history for 840 Crystal Springs Rd

Tax history for 840 Crystal Springs Rd

Zoning and permits

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94066

Home values near 840 Crystal Springs Rd

More real estate resources