OFF MARKET

Off Market Dec 2008 for $525K

$1,156,928

Est. refi paymentEst. refi $3,544/mo

•

1,689

sq ft

21707 Shadyspring Rd, Castro Valley, CA 94546

About this home

Single-familyProperty Type

1966Year Built

7,080 sq ftLot Size

$685Est. Price/Sq.Ft.

2 car garageParking

Listed by Shirley Vanderbilt •DRE #00630781 • Fracisco Realty

Bought with Cathi Benassi •DRE #00497703 • RE/MAX IN MOTION

Redfin checked: 2 minutes ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40365471

Redfin Estimate

$1,156,928

$632K since sold in December 2008$43K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 21.1% higher than the average sale price ($955K) of 6 comparable homes.

SOLD SEP 16, 2026
$920,000
A
3 beds2.5 baths1,632 sq ft
21671 Shady Spring Rd, Castro Valley, CA 94546
SOLD MAY 22, 2026
$1,075,000
B
3 beds2 baths1,876 sq ft
21723 Shadyspring Rd, Castro Valley, CA 94546
SOLD MAR 27, 2026
$825,000
C
3 beds2 baths1,557 sq ft
1516 Grove Way, Castro Valley, CA 94546
SOLD JUL 9, 2026
$984,777
D
3 beds2 baths1,650 sq ft
21451 Rizzo Ave, Castro Valley, CA 94546
SOLD MAY 5, 2026
$880,000
E
3 beds2 baths1,462 sq ft
1917 Wingate Way, Hayward, CA 94541
CLA Realty
SOLD JUL 20, 2026
$1,045,000
F
3 beds2 baths1,314 sq ft
3228 Kerr St, Castro Valley, CA 94546

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Earn from this home

Sell

$864,189

Est. take-home

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Refinance

Est. cash available

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Rent

$3,823/mo

Redfin rental estimate

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Market trends in 94546, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

104.3%

+0.4% MoM

Median sale price

$1.1M

$27K MoM

Avg. days on market

15d

1 days MoM

Recently sold homes

14 MoM

New listings for sale

NEW 22 HRS AGO
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OPEN TODAY, 1PM TO 4PM
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2843 Jennifer Dr, Castro Valley, CA 94546
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OPEN TODAY, 2PM TO 4PM
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16972 Rolando Ave, Castro Valley, CA 94546
OPEN TODAY, 1PM TO 4PM
$1,180,000
5 beds4 baths1,934 sq ft
3270 Keith Ave, Castro Valley, CA 94546
OPEN TODAY, 1PM TO 4PM
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OPEN SUN, 2PM TO 4PM
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2 beds2 baths1,100 sq ft
21103 Gary Unit 318A, Castro Valley, CA 94546
OPEN TODAY, 1PM TO 4PM
$1,088,888
3 beds2 baths1,599 sq ft
4884 Larimer Way, Castro Valley, CA 94546
OPEN TODAY, 1:30PM TO 4PM
$750,000
2 beds1 bath906 sq ft
17198 Roberto St, Castro Valley, CA 94546
OPEN TODAY, 1PM TO 4PM
$1,899,900
4 beds2.5 baths3,064 sq ft
4571 Ewing Rd, Castro Valley, CA 94546
See all

Provided by Redfin

Sale history for 21707 Shadyspring Rd

Year

Property tax

Land + Additions

Assessment*

2025

$9,019 (+2.5%)

$206,863 + $482,681

$689,544

2024

$8,799 (+1.8%)

$202,808 + $473,218

$676,026

2023

$8,640 (+2.3%)

$198,832 + $463,943

$662,775

2022

$8,448 (+1.0%)

$191,113 + $445,931

$637,044

2021

$8,360 (+1.3%)

$191,113 + $445,931

$637,044

2020

$8,253 (−0.8%)

$187,366 + $437,189

$624,555

2019

$8,317 (+6.5%)

$185,446 + $432,709

$618,155

2018

$7,808 (+2.5%)

$181,811 + $424,227

$606,038

2017

$7,617 (+5.9%)

$174,752 + $407,755

$582,507

2016

$7,192 (+11.0%)

$174,752 + $407,755

$582,507

2015

$6,480 (+8.5%)

$171,326 + $399,762

$571,088

2014

$5,970 (+23.3%)

$147,000 + $343,000

$490,000

2013

$4,843 (+2.7%)

$147,000 + $343,000

$490,000

2012

$4,717 (−8.7%)

$117,000 + $273,000

$390,000

2011

$5,166 (+4.9%)

$114,000 + $266,000

$380,000

2010

$4,924 (−22.0%)

$126,000 + $294,000

$420,000

2009

$6,312 (−6.5%)

$121,500 + $283,500

$405,000

2008

$6,751

$157,500 + $367,500

$525,000

Tax history for 21707 Shadyspring Rd

Year

Property tax

Land + Additions

Assessment*

2025

$9,019 (+2.5%)

$206,863 + $482,681

$689,544

2024

$8,799 (+1.8%)

$202,808 + $473,218

$676,026

2023

$8,640 (+2.3%)

$198,832 + $463,943

$662,775

2022

$8,448 (+1.0%)

$191,113 + $445,931

$637,044

2021

$8,360 (+1.3%)

$191,113 + $445,931

$637,044

2020

$8,253 (−0.8%)

$187,366 + $437,189

$624,555

2019

$8,317 (+6.5%)

$185,446 + $432,709

$618,155

2018

$7,808 (+2.5%)

$181,811 + $424,227

$606,038

2017

$7,617 (+5.9%)

$174,752 + $407,755

$582,507

2016

$7,192 (+11.0%)

$174,752 + $407,755

$582,507

2015

$6,480 (+8.5%)

$171,326 + $399,762

$571,088

2014

$5,970 (+23.3%)

$147,000 + $343,000

$490,000

2013

$4,843 (+2.7%)

$147,000 + $343,000

$490,000

2012

$4,717 (−8.7%)

$117,000 + $273,000

$390,000

2011

$5,166 (+4.9%)

$114,000 + $266,000

$380,000

2010

$4,924 (−22.0%)

$126,000 + $294,000

$420,000

2009

$6,312 (−6.5%)

$121,500 + $283,500

$405,000

2008

$6,751

$157,500 + $367,500

$525,000

*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
Permits

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

7,080 Sq. Ft.

Year renovated

1967

Sq. Ft.

1,689

Year built

1966

Style

Single Family Residential

County

Alameda County

APN

415 019000500

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 16, 2026.

Single-Family Residence Districts

Single-family residence districts, hereinafter designated as R-1 districts, are established to provide for and protect established neighborhoods of one-family dwellings, and to provide space in suitable locations for additional development of this kind, together with appropriate community facilities and allowance for restricted interim cultivation of the soil compatible with such low-density residential development.

Permitted uses

Include but are not limited to:

Housing-Single unit
Agriculture-Cropland
Agriculture-Grove / orchard

Property details

Parking

Parking Information
Has Attached Garage
Garage Spaces: 2
Covered Spaces: 2
Parking Features: Attached, Garage Door Opener

Interior

Bathroom Information
# of Bathrooms Total: 2
# of Bathrooms Full: 2
Other Bathrooms Included Features: Shower Over Tub, Tile
Primary Bathroom Included Features: Stall Shower, Tile

Interior Features
Interior Features: No Additional Rooms, Laminate Counters, Eat-in Kitchen
Appliances: Dishwasher, Electric Range, Disposal, Microwave, Oven, Refrigerator, Gas Water Heater
Laundry Features: Hookups Only, In Garage
Street Level Features: 2 Bedrooms, 2 Baths, Primary Bedrm Suite - 1, Main Entry
Window Features: Window Coverings
Fireplaces Total: 1
Has Fireplace
Flooring: Linoleum, Carpet

Room Information
Kitchen Features: Counter - Laminate,Dishwasher,Eat In Kitchen,Electric Range/Cooktop,Garbage Disposal,Microwave,Oven Built-in,Refrigerator
Rooms Total: 6
Fireplace Features: Family Room
Basement: Crawl Space

Exterior

Building Information
Construction Materials: Stucco
Building Area Total: 1,689
Foundation Details: Raised

Exterior Features
Exterior Features: Back Yard, Front Yard, Terraced Down, Terraced Up
Door Features: Mirrored Closet Door(s)
Fencing: Fenced
Roof: Shake

Property Information
Living Area: 1689
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1966

Lot Information
Other Structures: Shed(s)
Lot Size Square Feet: 7080
Lot Size Area: 0.16
Lot Size Units: Acres
Lot Size Acres: 0.16
Lot Features: Sloped Down, Sloped Up
Zoning: 1001

Utilities

Utility Information
Water Source: Public
Sewer: Public Sewer

Heating & Cooling
Has Heating
Heating: Forced Air
Cooling: Ceiling Fan(s), Central Air

Location

School Information
High School District: Hayward (510) 784-2600

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,689
Stories: 1.0
Lot Size: 7,080 square feet
Style: Single Family Residential
Year Built: 1966
Year Renovated: 1967
County: Alameda County
APN: 415 019000500

Home facts updated by county records on Sep 16, 2026

Around this home

Schools

Fairview Elementary School

Public K-6 • Assigned • 1.7mi

2/10

Bret Harte Middle School

Public 7-8 • Assigned • 1.1mi

4/10

Hayward High School

Public 9-12 • Assigned • 1.2mi

5/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Castro Valley is moving at a brisk pace this summer! Median prices are holding steady around $1.2M, but well-priced, turnkey homes are flying off the market in under 15 days, often over asking. Inventory is moving fast, so buyers must come prepared...
4 weeks ago • Castro Valley
Johnny Singh
Redfin Premier agent
148 deals
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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

4/10 Heat Factor

7 days above 88° expected this year, 14 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

Castro Valley, CA • 94546

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 11.2 hours in June and 4.9 hours in December, placing it above the U.S. average for solar exposure.

11.2 hrs

4.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.10M – $1.33M

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Home values near 21707 Shadyspring Rd

Data from public records.

Address	Redfin Estimate
21738 Shadyspring Rd, Castro Valley, CA - Beds \| - Baths \| 2840 Sq. Ft.	$1,106,363
21730 Shadyspring Rd, Castro Valley, CA 3 Beds \| 3 Baths \| 2650 Sq. Ft.	$1,265,274

Address	Redfin Estimate
21715 Shadyspring Rd, Castro Valley, CA 4 Beds \| 3 Baths \| 2270 Sq. Ft.	$1,191,915
21663 Shadyspring Rd, Castro Valley, CA - Beds \| - Baths \| 1812 Sq. Ft.	$1,012,937

Address	Redfin Estimate
21694 Shadyspring Rd, Castro Valley, CA 3 Beds \| 3 Baths \| 2456 Sq. Ft.	$1,362,666
21683 Shadyspring Rd, Castro Valley, CA 3 Beds \| 2 Baths \| 2372 Sq. Ft.	$1,264,582

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR 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 94546, CA

Sale history for 21707 Shadyspring Rd

Tax history for 21707 Shadyspring 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 94546

Home values near 21707 Shadyspring Rd

More real estate resources