Google street view image for 21701 Redwood Rd, Castro Valley, CA 94546

Off market

$861,515

•

1 ba

•

1,949

sq ft

21701 Redwood Rd, Castro Valley, CA 94546

About this home

21701 Redwood Rd is a 1,949 square foot house on a 6,000 square foot lot with 3 bedrooms and 1 bathroom. Based on Redfin's Castro Valley data, we estimate the home's value is $861,515.

Single-familyProperty Type

1948Year Built

6,000 sq ftLot Size

$442Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$861,515

$18K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 5% lower than the average sale price ($907K) of 6 comparable homes.

SOLD JUL 28, 2026
$844,500
A
3 beds2 baths1,586 sq ft
2305 Star Ave, Castro Valley, CA 94546
SOLD OCT 2, 2026
$875,000
B
3 beds2 baths1,560 sq ft
22590 Norwood Dr, Castro Valley, CA 94541
SOLD SEP 30, 2026
$1,060,000
C
3 beds2 baths1,591 sq ft
4315 Omega Ave, Castro Valley, CA 94546
SOLD DEC 30, 2025
$750,000
D
3 beds1 bath1,545 sq ft
2537 Lessley Ave, Castro Valley, CA 94546
SOLD SEP 24, 2026
$925,000
E
3 beds2 baths1,539 sq ft
20927 Nunes Ave, Castro Valley, CA 94546
SOLD JUL 9, 2026
$984,777
F
3 beds2 baths1,650 sq ft
21451 Rizzo Ave, Castro Valley, CA 94546

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Earn from this home

Sell

$815,889

Est. take-home

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Rent

$3,390/mo

Redfin rental estimate

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Market trends in 94546, CA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

103.4%

0.6% MoM

Median sale price

$1.1M

$823 MoM

Avg. days on market

18d

3 days MoM

Recently sold homes

7 MoM

New listings for sale

OPEN SAT, 1PM TO 4PM
$1,188,000
4 beds2.5 baths2,295 sq ft
2783 Jennifer Dr, Castro Valley, CA 94546
OPEN SAT, 12:30PM TO 2:30PM
$1,175,000
3 beds2 baths1,795 sq ft
19563 Helen Pl, Castro Valley, CA 94546
$1,200,000
4 beds3 baths1,897 sq ft
18153 Judy St, Castro Valley, CA 94546
OPEN SAT, 1PM TO 4PM
$799,888
3 beds1 bath988 sq ft
2240 Lessley Ave, Castro Valley, CA 94546
OPEN SAT, 1PM TO 4PM
$499,000
3 beds2 baths1,354 sq ft
21314 Gary Dr #108, Hayward, CA 94546
OPEN FRI, 5PM TO 6:30PM
$1,498,000
4 beds3 baths3,275 sq ft
19912 Conrad Ct, Castro Valley, CA 94546
OPEN SUN, 1PM TO 4PM
$1,198,000
4 beds2.5 baths2,038 sq ft
3636 Arcadian Dr, Castro Valley, CA 94546
EARLY ACCESS
$550,000
2 beds2 baths1,393 sq ft
21239 Gary Dr #206, Hayward, CA 94546
OPEN SAT, 2PM TO 4PM
$878,000
3 beds1 bath1,092 sq ft
19656 San Miguel Ave, Castro Valley, CA 94546
See all

Provided by Redfin

Sale history for 21701 Redwood Rd

As the MLS and public records start to fill up, we'll list the details here.

Year

Property tax

Land + Additions

Assessment*

2025

$4,228 (+2.7%)

$98,684 + $186,773

$285,457

2024

$4,116 (+2.2%)

$96,749 + $183,111

$279,860

2023

$4,028 (+2.6%)

$94,852 + $179,521

$274,373

2022

$3,926 (+1.4%)

$91,169 + $172,551

$263,720

2021

$3,873 (−55.5%)

$91,169 + $172,551

$263,720

2020

$8,712 (−0.3%)

$89,382 + $169,168

$258,550

2019

$8,735 (+2.6%)

$88,466 + $167,435

$255,901

2018

$8,511 (+141.1%)

$86,732 + $164,152

$250,884

2017

$3,530 (+6.3%)

$83,364 + $157,778

$241,142

2016

$3,320 (+3.0%)

$83,364 + $157,778

$241,142

2015

$3,224 (+5.7%)

$81,729 + $154,684

$236,413

2014

$3,049 (+1.6%)

$78,925 + $149,376

$228,301

2013

$3,001 (+2.3%)

$78,925 + $149,376

$228,301

2012

$2,933 (+2.6%)

$78,568 + $148,702

$227,270

2011

$2,859 (+2.2%)

$77,028 + $145,787

$222,815

2010

$2,798 (−1.1%)

$75,518 + $142,929

$218,447

2009

$2,829 (+4.7%)

$74,954 + $141,861

$216,815

2008

$2,702

$75,132 + $142,198

$217,330

Tax history for 21701 Redwood Rd

Year

Property tax

Land + Additions

Assessment*

2025

$4,228 (+2.7%)

$98,684 + $186,773

$285,457

2024

$4,116 (+2.2%)

$96,749 + $183,111

$279,860

2023

$4,028 (+2.6%)

$94,852 + $179,521

$274,373

2022

$3,926 (+1.4%)

$91,169 + $172,551

$263,720

2021

$3,873 (−55.5%)

$91,169 + $172,551

$263,720

2020

$8,712 (−0.3%)

$89,382 + $169,168

$258,550

2019

$8,735 (+2.6%)

$88,466 + $167,435

$255,901

2018

$8,511 (+141.1%)

$86,732 + $164,152

$250,884

2017

$3,530 (+6.3%)

$83,364 + $157,778

$241,142

2016

$3,320 (+3.0%)

$83,364 + $157,778

$241,142

2015

$3,224 (+5.7%)

$81,729 + $154,684

$236,413

2014

$3,049 (+1.6%)

$78,925 + $149,376

$228,301

2013

$3,001 (+2.3%)

$78,925 + $149,376

$228,301

2012

$2,933 (+2.6%)

$78,568 + $148,702

$227,270

2011

$2,859 (+2.2%)

$77,028 + $145,787

$222,815

2010

$2,798 (−1.1%)

$75,518 + $142,929

$218,447

2009

$2,829 (+4.7%)

$74,954 + $141,861

$216,815

2008

$2,702

$75,132 + $142,198

$217,330

*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

Retail Business Districts

Retail business districts, hereinafter designated as C-1 districts, are established to provide areas for comparison retail shopping and office uses, and to enhance their usefulness by protecting them from incompatible types of commercial uses which can be provided for more effectively in the general commercial districts.

Permitted uses

Include but are not limited to:

Bank
Laundromat
General retail
Restaurant
Office

Oct 18, 2017 • Final

Building

Replace a package unit and ductwork, including supply and return vents.

HVAC

Aug 7, 2013 • Final

Building

Apply stucco over existing siding and replace windows in a detached garage.

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

Exterior

Exterior Information
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average

Property Information
Living Sq. Ft: 1,949
Building Sq. Ft: 1,949
# of Units: 1
# of Stories: 1
Legal Description: TRACT 806 BLK 2 LOT 15

Lot Information
# of Buildings: 1
Land Sq. Ft: 6,000
Legal Lot Number: 15
Legal Block Number: 2
Municipality Name: HAYWARD UNINCORP
Acres: 0.1377
County Use Description: SINGLE FAMILY RESIDENTIAL HOME

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 1.0
Sq. Ft.: 1,949
Stories: 1.0
Lot Size: 6,000 square feet
Style: Single Family Residential
Year Built: 1948
Year Renovated: 1948
County: Alameda County
APN: 415 008004000

Home facts updated by county records on Sep 16, 2026

Around this home

Schools

Fairview Elementary School

Public K-6 • Assigned • 1.3mi

2/10

Bret Harte Middle School

Public 7-8 • Assigned • 1.4mi

4/10

Hayward High School

Public 9-12 • Assigned • 1.3mi

5/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Castro Valley's fall market offers great buyer leverage. While median prices hold steady around $1.2M, increased inventory gives you room to negotiate on homes needing updates. Turnkey properties still move fast in under 15 days, so act quickly with...
2 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

$819,000 – $991,000

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New listings for sale in 94546

OPEN SAT, 1PM TO 4PM3D & VIDEO TOUR

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4 beds2.5 baths2,295 sq ft

2783 Jennifer Dr, Castro Valley, CA 94546

OPEN SAT, 12:30PM TO 2:30PM

$1,175,000

3 beds2 baths1,795 sq ft

19563 Helen Pl, Castro Valley, CA 94546

$1,200,000

4 beds3 baths1,897 sq ft

18153 Judy St, Castro Valley, CA 94546

OPEN SAT, 1PM TO 4PM

$799,888

3 beds1 bath988 sq ft

2240 Lessley Ave, Castro Valley, CA 94546

OPEN SAT, 1PM TO 4PM

$499,000

3 beds2 baths1,354 sq ft

21314 Gary Dr #108, Hayward, CA 94546

OPEN FRI, 5PM TO 6:30PM

$1,498,000

4 beds3 baths3,275 sq ft

19912 Conrad Ct, Castro Valley, CA 94546

OPEN SUN, 1PM TO 4PM

$1,198,000

4 beds2.5 baths2,038 sq ft

3636 Arcadian Dr, Castro Valley, CA 94546

EARLY ACCESSCOMPASS COMING SOON

$550,000

2 beds2 baths1,393 sq ft

21239 Gary Dr #206, Hayward, CA 94546

OPEN SAT, 2PM TO 4PM

$878,000

3 beds1 bath1,092 sq ft

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Home values near 21701 Redwood Rd

Data from public records.

Address	Redfin Estimate
21835 Redwood Road, Castro Valley, CA 3 Beds \| 1 Baths \| 1200 Sq. Ft.	$846,021
2527 Vegas Avenue, Castro Valley, CA 2 Beds \| 1 Baths \| 1048 Sq. Ft.	$754,360

Address	Redfin Estimate
21821 Redwood Road, Castro Valley, CA 3 Beds \| 1 Baths \| 1192 Sq. Ft.	$798,758
2394 Star Avenue, Castro Valley, CA 2 Beds \| 1 Baths \| 906 Sq. Ft.	$638,408

Address	Redfin Estimate
21828 Redwood Road, Castro Valley, CA 4 Beds \| 2 Baths \| 1264 Sq. Ft.	$855,882
2374 Vegas Avenue, Castro Valley, CA 3 Beds \| 1 Baths \| 1031 Sq. Ft.	$850,271

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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 21701 Redwood Rd

Tax history for 21701 Redwood Rd

Zoning and permits

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 21701 Redwood Rd

More real estate resources