OFF MARKET

Off Market Sep 2021 for $1.1M

$1,091,167

Est. refi paymentEst. refi $7,110/mo

•

2 ba

•

1,836

sq ft

17936 Redwood Rd, Castro Valley, CA 94546

About this home

Excellent Duplex property on a large lot in upper Castro Valley Proctor area!! Two (over 900 sq. ft.) units! Hardwood floors in living and bedrooms!! Separate laundry room. Both units are 2 bed/1 bath. Huge (9,730 sq. ft.) lot! ADU? Central location close to everything! Walk to Proctor Elementary and CV High. Minutes to Dining, Shopping, CV Village, 580, 880, BART! Hike or bike to Proctor trail connecting to Lake Chabot. See Virtual Tour (Matterport) link above and below. Buyer to participate in 1031 exchange at no cost to Buyer. DO NOT WALK THE PROPERTY / DO NOT DISTURB TENANTS.

Multi-familyProperty Type

1951Year Built

9,730 sq ftLot Size

$594Est. Price/Sq.Ft.

1 car garageParking

Listed by Ralph Watkins Iii •DRE #00977204 • Watkins Real Estate

Bought with Out Of Area Non Member • Bay East AOR

Redfin checked: 2 minutes ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40964463

Redfin Estimate

$1,091,167

$8,833 since sold in September 2021$40K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 11.7% lower than the average sale price ($1.24M) of 6 comparable homes.

SOLD JAN 7, 2026
$1,335,000
A
3 beds2.5 baths2,018 sq ft
17838 Walnut Rd, Castro Valley, CA 94546
SOLD MAY 7, 2026
$1,229,000
B
4 beds2 baths2,155 sq ft
18616 Sandy Rd, Castro Valley, CA 94546
SOLD AUG 11, 2026
$1,300,000
C
4 beds2 baths1,525 sq ft
4486 Lawrence Dr, Castro Valley, CA 94546
SOLD MAY 11, 2026
$1,273,000
D
3 beds2 baths1,675 sq ft
18640 Sandy Rd, Castro Valley, CA 94546
SOLD MAY 12, 2026
$1,025,000
E
4 beds2 baths1,804 sq ft
18425 Pepper St, Castro Valley, CA 94546
SOLD JUN 12, 2026
$1,250,000
F
3 beds1.5 baths1,743 sq ft
4596 James Ave, Castro Valley, CA 94546

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Earn from this home

Sell

$236,881

Est. take-home

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Refinance

Est. cash available

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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

103.9%

1.3% MoM

Median sale price

$1.1M

$70K MoM

Avg. days on market

14d

1 days MoM

Recently sold homes

3 MoM

New listings for sale

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20275 Stanton Ave, Castro Valley, CA 94546
OPEN SAT, 1:30PM TO 4PM
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(415) 510-8600
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COMING SOON
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See all

Provided by Redfin

Sale history for 17936 Redwood Rd

Year

Property tax

Land + Additions

Assessment*

2025

$15,501 (+2.3%)

$350,196 + $827,528

$1,177,724

2024

$15,148 (+2.5%)

$350,196 + $827,528

$1,177,724

2023

$14,775 (+2.0%)

$343,332 + $811,308

$1,154,640

2022

$14,481 (+36.5%)

$330,000 + $770,000

$1,100,000

2021

$10,607 (+351.9%)

$330,000 + $770,000

$1,100,000

2020

$2,347 (−0.7%)

$234,908 + $548,120

$783,028

2019

$2,364 (+3.3%)

$59,633 + $37,663

$97,296

2018

$2,289 (+3.2%)

$58,464 + $36,925

$95,389

2017

$2,219 (+4.9%)

$56,194 + $35,491

$91,685

2016

$2,115 (+7.4%)

$56,194 + $35,491

$91,685

2015

$1,970 (+4.5%)

$55,092 + $34,795

$89,887

2014

$1,886 (+3.7%)

$53,202 + $33,601

$86,803

2013

$1,819 (+3.5%)

$53,202 + $33,601

$86,803

2012

$1,757 (+1.8%)

$52,962 + $33,449

$86,411

2011

$1,726 (+1.2%)

$51,923 + $32,793

$84,716

2010

$1,704 (+1.1%)

$50,905 + $32,151

$83,056

2009

$1,685 (+5.9%)

$50,525 + $31,910

$82,435

2008

$1,591

$50,645 + $31,986

$82,631

Tax history for 17936 Redwood Rd

Year

Property tax

Land + Additions

Assessment*

2025

$15,501 (+2.3%)

$350,196 + $827,528

$1,177,724

2024

$15,148 (+2.5%)

$350,196 + $827,528

$1,177,724

2023

$14,775 (+2.0%)

$343,332 + $811,308

$1,154,640

2022

$14,481 (+36.5%)

$330,000 + $770,000

$1,100,000

2021

$10,607 (+351.9%)

$330,000 + $770,000

$1,100,000

2020

$2,347 (−0.7%)

$234,908 + $548,120

$783,028

2019

$2,364 (+3.3%)

$59,633 + $37,663

$97,296

2018

$2,289 (+3.2%)

$58,464 + $36,925

$95,389

2017

$2,219 (+4.9%)

$56,194 + $35,491

$91,685

2016

$2,115 (+7.4%)

$56,194 + $35,491

$91,685

2015

$1,970 (+4.5%)

$55,092 + $34,795

$89,887

2014

$1,886 (+3.7%)

$53,202 + $33,601

$86,803

2013

$1,819 (+3.5%)

$53,202 + $33,601

$86,803

2012

$1,757 (+1.8%)

$52,962 + $33,449

$86,411

2011

$1,726 (+1.2%)

$51,923 + $32,793

$84,716

2010

$1,704 (+1.1%)

$50,905 + $32,151

$83,056

2009

$1,685 (+5.9%)

$50,525 + $31,910

$82,435

2008

$1,591

$50,645 + $31,986

$82,631

*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

9,730 Sq. Ft.

Year renovated

1951

Sq. Ft.

1,836

Year built

1951

Style

Multi-Family (2-4 Unit)

County

Alameda County

APN

084C093500802

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 27, 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

Aug 9, 2023 • Final

Building

Remodel the kitchen and two bathrooms in a single-family home. All work is to be completed like-for-like.

Bathroom

Kitchen

Remodel

Mar 15, 2023 • Final

Building

Upgrade the main electrical panel to 100 amps. Remodel the kitchen and bathroom in the main house. Convert an existing laundry room into a half bathroom and laundry area, and relocate the water heater.

ADU

Bathroom

Electrical

Kitchen

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

Parking

Parking Information
Total # of Parking Spaces: 4
Parking Features: Space Per Unit - 2, Tandem, Garage Faces Front

Interior

Virtual Tour

Interior Features
Laundry Features: Laundry Room, In Unit
Flooring: Hardwood, Linoleum

Unit 1 Information
Unit 1 # of Bathrooms: 1
Unit 1 Parking Spaces: 2

Unit 2 Information
Unit 2 # of Bathrooms: 1
Unit 2 # of Parking Spaces: 2

Multi-Unit Information
Number Of Units Total: 2

Exterior

Building Information
Construction Materials: Aluminum Siding, Wood Siding
Building Area Total: 1,836

Exterior Features
Exterior Features: Back Yard, Front Yard
Fencing: Fenced

Property Information
Living Area: 1836
Living Area Units: Square Feet
Property Type: Residential Income
Property Sub Type: DUPLEX
Year Built: 1951

Lot Information
Other Structures: Shed(s)
Lot Size Square Feet: 9730
Lot Size Area: 0.22
Lot Size Units: Acres
Lot Size Acres: 0.22
Lot Features: Back Yard, Front Yard

Utilities

Utility Information
Separate Meter: Electric, Gas
Utilities: All Public Utilities, Natural Gas Connected, Individual Electric Meter, Individual Gas Meter

Heating & Cooling
Has Heating
Heating: Forced Air
Cooling: No Air Conditioning

Location

School Information
High School District: Castro Valley (510) 537-3000

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 1,836
Stories: 1.0
Lot Size: 9,730 square feet
Style: Multi-Family (2-4 Unit)
Year Built: 1951
Year Renovated: 1951
County: Alameda County
APN: 084C093500802

Home facts updated by county records on Jul 27, 2026

Around this home

Schools

Proctor Elementary School

Public K-5 • Assigned • 0.1mi

9/10

Creekside Middle School

Public 6-8 • Assigned • 1.3mi

10/10

Castro Valley High School

Public 9-12 • Assigned • 0.7mi

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

0.77% chance of being in a wildfire in next 30 years

3/10 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

Estimated sale price

$1.04M – $1.25M

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Home values near 17936 Redwood Rd

Data from public records.

Address	Redfin Estimate
17735 Redwood Road, Castro Valley, CA 3 Beds \| 2.5 Baths \| 2412 Sq. Ft.	$1,033,028
17956 Redwood Road, Castro Valley, CA 2 Beds \| 2 Baths \| 1325 Sq. Ft.	$1,010,657

Address	Redfin Estimate
17847 Redwood Road, Castro Valley, CA 4 Beds \| 3 Baths \| 2349 Sq. Ft.	$1,371,773
17944 Redwood Road, Castro Valley, CA 3 Beds \| 2 Baths \| 1031 Sq. Ft.	$916,923

Address	Redfin Estimate
17943 Redwood Road, Castro Valley, CA 4 Beds \| 2 Baths \| 1610 Sq. Ft.	$1,105,041
17961 Redwood Road, Castro Valley, CA 3 Beds \| 1 Baths \| 1344 Sq. Ft.	$836,911

Property information provided by undefined .

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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 17936 Redwood Rd

Tax history for 17936 Redwood 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 17936 Redwood Rd

More real estate resources