Google street view image for 18850 Redwood Rd, Castro Valley, CA 94546

Off Market Apr 1980 for $198K

—

Est. refi paymentEst. refi $1,288/mo

•

6 ba

•

4,401

sq ft

18850 Redwood Rd, Castro Valley, CA 94546

About this home

18850 Redwood Rd is a 4,401 square foot multi-family home on a 0.52 acre lot with 11 bedrooms and 6 bathrooms. - it last sold on April 01, 1980 for $198,000.

Multi-familyProperty Type

1940Year Built

0.52 acresLot Size

$45Price/Sq.Ft.

Source:Public Records

Redfin Estimate

There isn’t enough information to generate an accurate estimate at this time. Learn More

Market trends in 94546, CA

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

105.6%

+0.7% MoM

Median sale price

$1.1M

$45K MoM

Avg. days on market

13d

1 days MoM

Recently sold homes

100

5 MoM

New listings for sale

OPEN SUN, 1PM TO 3PM
$979,000
4 beds2.5 baths1,980 sq ft
4101 Toddika Ln, Castro Valley, CA 94546
OPEN WED, 10:30AM TO 12PM
$999,000
4 beds2 baths1,680 sq ft
20275 Stanton Ave, Castro Valley, CA 94546
OPEN SAT, 1:30PM TO 4PM
$799,000
2 beds1 bath1,122 sq ft
1540 Crescent Ave, Castro Valley, CA 94546
COMING SOON
$799,000
2 beds1 bath1,079 sq ft
18473 Apricot Way, Castro Valley, CA 94546
$1,175,000
3 beds2 baths1,440 sq ft
19453 Vaughn Ave, Castro Valley, CA 94546
Pacific Home Brokers
$695,000
2 beds1.5 baths1,207 sq ft
20279 Forest Ave, Castro Valley, CA 94546
(415) 510-8600
$870,000
3 beds1 bath1,080 sq ft
2976 Sydney, Castro Valley, CA 94546
COMING SOON
$1,550,000
3 beds1.5 baths1,851 sq ft
4618 Ewing Rd, Castro Valley, CA 94546
$699,999
3 beds1 bath1,036 sq ft
19117 Parsons Ave, Castro Valley, CA 94546
$549,950
3 beds2 baths1,354 sq ft
21239 Gary Dr Unit 202E, Hayward, CA 94546
See all

Provided by Redfin

Sale history for 18850 Redwood Rd

Year

Property tax

Land + Additions

Assessment*

2025

$10,463 (+3.1%)

$455,006 + $111,028

$566,034

2024

$10,152 (+2.9%)

$455,006 + $111,028

$566,034

2023

$9,869 (+3.0%)

$446,086 + $108,852

$554,938

2022

$9,578 (+3.1%)

$428,766 + $104,625

$533,391

2021

$9,292 (+2.6%)

$428,766 + $104,625

$533,391

2020

$9,054 (−1.3%)

$420,359 + $102,574

$522,933

2019

$9,170 (+8.2%)

$416,049 + $101,522

$517,571

2018

$8,472 (+2.9%)

$407,893 + $99,532

$507,425

2017

$8,234 (+4.8%)

$392,055 + $95,667

$487,722

2016

$7,855 (+7.2%)

$392,055 + $95,667

$487,722

2015

$7,329 (+2.6%)

$384,369 + $93,792

$478,161

2014

$7,140 (+2.2%)

$371,182 + $90,574

$461,756

2013

$6,985 (+2.7%)

$371,182 + $90,574

$461,756

2012

$6,803 (+1.5%)

$369,506 + $90,165

$459,671

2011

$6,700 (+0.9%)

$362,262 + $88,397

$450,659

2010

$6,638 (+0.2%)

$355,161 + $86,664

$441,825

2009

$6,621 (+4.6%)

$352,508 + $86,017

$438,525

2008

$6,328

$353,346 + $86,222

$439,568

Tax history for 18850 Redwood Rd

Year

Property tax

Land + Additions

Assessment*

2025

$10,463 (+3.1%)

$455,006 + $111,028

$566,034

2024

$10,152 (+2.9%)

$455,006 + $111,028

$566,034

2023

$9,869 (+3.0%)

$446,086 + $108,852

$554,938

2022

$9,578 (+3.1%)

$428,766 + $104,625

$533,391

2021

$9,292 (+2.6%)

$428,766 + $104,625

$533,391

2020

$9,054 (−1.3%)

$420,359 + $102,574

$522,933

2019

$9,170 (+8.2%)

$416,049 + $101,522

$517,571

2018

$8,472 (+2.9%)

$407,893 + $99,532

$507,425

2017

$8,234 (+4.8%)

$392,055 + $95,667

$487,722

2016

$7,855 (+7.2%)

$392,055 + $95,667

$487,722

2015

$7,329 (+2.6%)

$384,369 + $93,792

$478,161

2014

$7,140 (+2.2%)

$371,182 + $90,574

$461,756

2013

$6,985 (+2.7%)

$371,182 + $90,574

$461,756

2012

$6,803 (+1.5%)

$369,506 + $90,165

$459,671

2011

$6,700 (+0.9%)

$362,262 + $88,397

$450,659

2010

$6,638 (+0.2%)

$355,161 + $86,664

$441,825

2009

$6,621 (+4.6%)

$352,508 + $86,017

$438,525

2008

$6,328

$353,346 + $86,222

$439,568

*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

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

Jun 12, 2020 • Final

Building

Install a roof-mounted solar photovoltaic system on a single-family home. The project includes new solar modules and a solar load center.

Electrical

Solar

Jun 22, 2000 • Final

Building

HVAC

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

Room Information
# of Rooms: 19

Exterior

Exterior Information
Construction Type: Wood
Building Construction Quality: Average

Property Information
Living Sq. Ft: 4,401
Building Sq. Ft: 4,401
# of Units: 5
# of Stories: 1.5

Lot Information
# of Buildings: 1
Land Sq. Ft: 22,439
Legal Lot Number: 1
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.5151
County Use Description: MULTIPLE RESIDENTIAL BUILDING

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 11
Baths: 6.0
Sq. Ft.: 4,401
Stories: 1.5
Lot Size: 0.52 acres
Style: Multi-Family (5+ Unit)
Year Built: 1940
Year Renovated: 1958
County: Alameda County
APN: 084C082500107

Home facts updated by county records on Jul 27, 2026

Around this home

Schools

Proctor Elementary School

Public K-5 • Assigned • 0.5mi

9/10

Creekside Middle School

Public 6-8 • Assigned • 1.0mi

10/10

Castro Valley High School

Public 9-12 • Assigned • 0.3mi

9/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Castro Valley's late-summer market shows a clear split. While median prices hold near $1.2M, increased inventory gives buyers leverage on older properties. However, immaculate homes still go pending in under 15 days. A strong, clean offer is key!
2 weeks ago • Castro Valley
Johnny Singh
Redfin Premier agent
146 deals
Was this helpful?
Strong buyer demand keeps the Castro Valley market moving incredibly fast. With homes frequently selling above their $1.2 million median price, decisive action is essential. To win here, buyers need to submit competitive offers quickly and minimize...
1 month ago • Castro Valley
Karan Kandel
Redfin agent
13 deals
Was this helpful?

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

3/10 Fire Factor

0.62% chance of being in a wildfire in next 30 years

4/10 Heat Factor

7 days above 88° 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

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

Is this your home?

Track this home’s value and nearby sales activity

Nearby similar homes

$1,650,000

— beds— baths5,760 sq ft

203 Sunset Blvd, Cherryland, CA 94541

$1,298,888

7 beds5 baths2,974 sq ft

26047 Gading Rd, Hayward, CA 94544

$1,584,000

7 beds7 baths4,264 sq ft

825 San Leandro Blvd, San Leandro, CA 94577

$1,999,988

5 beds— baths4,314 sq ft

882 W Tennyson Rd, Hayward, CA 94544

$1,100,000

9 beds4 baths3,277 sq ft

8117 Ney Ave, Oakland, CA 94605

VIDEO TOUR

$3,750,000

28 beds14 baths9,800 sq ft

24598 Sybil Ave, Hayward, CA 94542

New listings for sale in 94546

OPEN SUN, 1PM TO 3PM

$979,000

4 beds2.5 baths1,980 sq ft

4101 Toddika Ln, Castro Valley, CA 94546

OPEN WED, 10:30AM TO 12PM

$999,000

4 beds2 baths1,680 sq ft

20275 Stanton Ave, Castro Valley, CA 94546

OPEN SAT, 1:30PM TO 4PM

$799,000

2 beds1 bath1,122 sq ft

1540 Crescent Ave, Castro Valley, CA 94546

COMING SOON

$799,000

2 beds1 bath1,079 sq ft

18473 Apricot Way, Castro Valley, CA 94546

$1,175,000

3 beds2 baths1,440 sq ft

19453 Vaughn Ave, Castro Valley, CA 94546

Pacific Home Brokers

$695,000

2 beds1.5 baths1,207 sq ft

20279 Forest Ave, Castro Valley, CA 94546

(415) 510-8600

$870,000

3 beds1 bath1,080 sq ft

2976 Sydney, Castro Valley, CA 94546

COMING SOON

$1,550,000

3 beds1.5 baths1,851 sq ft

4618 Ewing Rd, Castro Valley, CA 94546

$699,999

3 beds1 bath1,036 sq ft

19117 Parsons Ave, Castro Valley, CA 94546

Home values near 18850 Redwood Rd

Data from public records.

Address	Redfin Estimate
18922 Redwood Road, Castro Valley, CA 4 Beds \| 2 Baths \| 1792 Sq. Ft.	$1,079,539
4310 Redwood Heights, Castro Valley, CA 3 Beds \| 3 Baths \| 2439 Sq. Ft.	$1,313,269

Address	Redfin Estimate
18864 Redwood Road, Castro Valley, CA 2 Beds \| 1 Baths \| 1294 Sq. Ft.	$863,306
18890 Redwood Road, Castro Valley, CA 2 Beds \| 2 Baths \| 1290 Sq. Ft.	$1,057,338

Address	Redfin Estimate
18878 Redwood Road, Castro Valley, CA 2 Beds \| 1.5 Baths \| 1248 Sq. Ft.	$944,056
4330 Redwood Heights, Castro Valley, CA 4 Beds \| 2.5 Baths \| 2050 Sq. Ft.	$1,331,765

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

Central homes for sale
Upper Castro Valley homes for sale
Northeast homes for sale
Northeast Castro Valley homes for sale

94541 homes for sale
94544 homes for sale
94546 homes for sale
94580 homes for sale
94583 homes for sale

Houses for rent in Castro Valley	Agents near me	Irvine, CA homes for sale	Castro Valley Housing Market
Houses for sale near me	San Diego, CA homes for sale	Fremont, CA homes for sale
Land for sale near me	San Francisco, CA homes for sale	Pasadena, CA homes for sale
Open Houses near me	Los Angeles, CA homes for sale	Castro Valley Property Records
Condos for sale near me	San Jose, CA homes for sale	CA New Listings

San Jose homes for sale
San Francisco homes for sale
Fremont homes for sale

About this home

Redfin Estimate

Market trends in 94546, CA

Sale history for 18850 Redwood Rd

Tax history for 18850 Redwood Rd

Zoning and permits

Property details

Around this home

Schools

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Is this your home?

Nearby similar homes

New listings for sale in 94546

Home values near 18850 Redwood Rd

More real estate resources