Google street view image for 18628 Sandy Rd, Castro Valley, CA 94546

Off Market Sep 1987 for $148K

$1,145,168

Est. refi paymentEst. refi $789/mo

•

2 ba

•

1,800

sq ft

18628 Sandy Rd, Castro Valley, CA 94546

About this home

18628 Sandy Rd is a 1,800 square foot house on a 7,434 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on September 08, 1987 for $148,000. Based on Redfin's Castro Valley data, we estimate the home's value is $1,145,168.

Single-familyProperty Type

1949Year Built

7,434 sq ftLot Size

$636Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,145,168

$997K since sold in September 1987$1,000 since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 6.3% lower than the average sale price ($1.22M) of 6 comparable homes.

SOLD MAY 11, 2026
$1,273,000
A
3 beds2 baths1,675 sq ft
18640 Sandy Rd, Castro Valley, CA 94546
SOLD JUL 14, 2026
$1,150,000
B
3 beds2 baths1,681 sq ft
18650 Center St, Castro Valley, CA 94546
SOLD JUL 1, 2026
$1,310,000
C
3 beds2 baths1,340 sq ft
4880 Mancini Dr, Castro Valley, CA 94546
SOLD JUN 12, 2026
$1,150,000
D
3 beds2 baths1,576 sq ft
5239 Katrina Ct, Castro Valley, CA 94546
SOLD APR 28, 2026
$1,200,000
E
3 beds2 baths1,508 sq ft
18602 Center 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

$1,084,047

Est. take-home

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Refinance

Est. cash available

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Rent

$3,852/mo

Redfin rental estimate

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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 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
OPEN SUN, 12PM TO 4PM
19453 Vaughn Ave, Castro Valley, CA 94546
$1,175,000
3 beds2 baths1,440 sq ft
19453 Vaughn Ave, Castro Valley, CA 94546
Pacific Home Brokers
OPEN SUN, 12PM TO 2PM
$695,000
2 beds1.5 baths1,207 sq ft
20279 Forest Ave, Castro Valley, CA 94546
(415) 510-8600
OPEN SUN, 11AM TO 3PM
$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
OPEN SUN, 1PM TO 4PM
$699,999
3 beds1 bath1,036 sq ft
19117 Parsons Ave, Castro Valley, CA 94546
OPEN SUN, 2PM TO 4PM
$549,950
3 beds2 baths1,354 sq ft
21239 Gary Dr Unit 202E, Hayward, CA 94546
$1,235,000
3 beds2 baths1,581 sq ft
18747 Sandy Rd, Castro Valley, CA 94546
OPEN SUN, 1PM TO 4PM
$1,095,000
4 beds2.5 baths1,988 sq ft
16630 Cowell St, Castro Valley, CA 94578
See all

Provided by Redfin

Sale history for 18628 Sandy Rd

Year

Property tax

Land + Additions

Assessment*

2025

$4,984 (+2.5%)

$124,411 + $231,267

$355,678

2024

$4,863 (+1.9%)

$124,411 + $231,267

$355,678

2023

$4,771 (+2.2%)

$121,972 + $226,733

$348,705

2022

$4,666 (+2.7%)

$117,236 + $217,929

$335,165

2021

$4,542 (+2.4%)

$117,236 + $217,929

$335,165

2020

$4,436 (−1.6%)

$114,938 + $213,656

$328,594

2019

$4,509 (+3.0%)

$113,759 + $211,466

$325,225

2018

$4,379 (+2.8%)

$111,529 + $207,320

$318,849

2017

$4,262 (+5.1%)

$107,199 + $199,271

$306,470

2016

$4,054 (+7.0%)

$107,199 + $199,271

$306,470

2015

$3,788 (+1.6%)

$105,097 + $195,364

$300,461

2014

$3,727 (+1.1%)

$101,492 + $188,662

$290,154

2013

$3,686 (+2.2%)

$101,492 + $188,662

$290,154

2012

$3,606 (+1.4%)

$101,034 + $187,810

$288,844

2011

$3,555 (+0.8%)

$99,053 + $184,128

$283,181

2010

$3,528 (−0.3%)

$97,111 + $180,518

$277,629

2009

$3,537 (+3.9%)

$96,385 + $179,170

$275,555

2008

$3,404

$96,615 + $179,596

$276,211

Tax history for 18628 Sandy Rd

Year

Property tax

Land + Additions

Assessment*

2025

$4,984 (+2.5%)

$124,411 + $231,267

$355,678

2024

$4,863 (+1.9%)

$124,411 + $231,267

$355,678

2023

$4,771 (+2.2%)

$121,972 + $226,733

$348,705

2022

$4,666 (+2.7%)

$117,236 + $217,929

$335,165

2021

$4,542 (+2.4%)

$117,236 + $217,929

$335,165

2020

$4,436 (−1.6%)

$114,938 + $213,656

$328,594

2019

$4,509 (+3.0%)

$113,759 + $211,466

$325,225

2018

$4,379 (+2.8%)

$111,529 + $207,320

$318,849

2017

$4,262 (+5.1%)

$107,199 + $199,271

$306,470

2016

$4,054 (+7.0%)

$107,199 + $199,271

$306,470

2015

$3,788 (+1.6%)

$105,097 + $195,364

$300,461

2014

$3,727 (+1.1%)

$101,492 + $188,662

$290,154

2013

$3,686 (+2.2%)

$101,492 + $188,662

$290,154

2012

$3,606 (+1.4%)

$101,034 + $187,810

$288,844

2011

$3,555 (+0.8%)

$99,053 + $184,128

$283,181

2010

$3,528 (−0.3%)

$97,111 + $180,518

$277,629

2009

$3,537 (+3.9%)

$96,385 + $179,170

$275,555

2008

$3,404

$96,615 + $179,596

$276,211

*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, 2025 • Final

Building

Remove and replace an existing residential water heater in the same location.

Plumbing

Water heater

Mar 30, 2020 • Final

Building

Install a roof-mounted solar photovoltaic system on a single-family home.

Electrical

Solar

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

Heating & Cooling
Heating Type: Floor Furnace

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Room Information
# of Rooms: 8

Exterior

Exterior Information
Physical Condition: Good
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Exterior Wall: Stucco
Building Type: Detached

Property Information
Living Sq. Ft: 1,800
Building Sq. Ft: 1,800
# of Units: 1
# of Stories: 1
Legal Description: TRACT 863 BLK 7 PART OF LOT 15,16

Parking & Garage Information
# of Parking Spaces: 1

Lot Information
# of Buildings: 1
Land Sq. Ft: 7,434
Legal Lot Number: 15
Legal Block Number: 7
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.1707
County Use Description: SINGLE FAMILY RESIDENTIAL HOME

Utility Information
Sewer Type: Public
Water Service Type: Public

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,800
Stories: 1.0
Lot Size: 7,434 square feet
Style: Single Family Residential
Year Built: 1949
Year Renovated: 1967
County: Alameda County
APN: 084C086500800

Home facts updated by county records on Jul 27, 2026

Around this home

Schools

Proctor Elementary School

Public K-5 • Assigned • 0.6mi

9/10

Canyon Middle School

Public 6-8 • Assigned • 0.7mi

7/10

Castro Valley High School

Public 9-12 • Assigned • 0.8mi

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

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

Estimated sale price

$1.09M – $1.32M

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Nearby similar homes

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Pacific Home Brokers

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OPEN SUN, 11AM TO 3PM

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COMING SOON

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OPEN SUN, 1PM TO 4PM

$699,999

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19117 Parsons Ave, Castro Valley, CA 94546

OPEN SUN, 2PM TO 4PM

$549,950

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Home values near 18628 Sandy Rd

Data from public records.

Address	Redfin Estimate
18631 Sandy Road, Castro Valley, CA 3 Beds \| 2 Baths \| 1416 Sq. Ft.	$1,260,484
18615 Sandy Road, Castro Valley, CA 3 Beds \| 1.5 Baths \| 1313 Sq. Ft.	$977,016

Address	Redfin Estimate
18619 Sandy Road, Castro Valley, CA 3 Beds \| 1 Baths \| 1188 Sq. Ft.	$1,058,711
18743 Sandy Road, Castro Valley, CA 2 Beds \| 1 Baths \| 1036 Sq. Ft.	$898,873

Address	Redfin Estimate
18616 Sandy Road, Castro Valley, CA 4 Beds \| 2 Baths \| 2155 Sq. Ft.	$1,405,748
18632 Sandy Road, Castro Valley, CA 3 Beds \| 2 Baths \| 1483 Sq. Ft.	$1,097,788

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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 18628 Sandy Rd

Tax history for 18628 Sandy 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 18628 Sandy Rd

More real estate resources