Google street view image for 18766 Sandy Rd, Castro Valley, CA 94546

Off market dec 1995 for $190K

$1,102,619

Est. refi paymentEst. refi $1,300/mo

•

2 ba

•

1,545

sq ft

18766 Sandy Rd, Castro Valley, CA 94546

About this home

18766 Sandy Rd is a 1,545 square foot house on a 7,747 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on December 12, 1995 for $190,000. Based on Redfin's Castro Valley data, we estimate the home's value is $1,102,619.

Single-familyProperty Type

1951Year Built

7,747 sq ftLot Size

$714Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,102,619

$913K since sold in December 1995$7,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 8.4% lower than the average sale price ($1.20M) of 6 comparable homes.

SOLD JUL 1, 2026
$1,310,000
A
3 beds2 baths1,340 sq ft
4880 Mancini Dr, Castro Valley, CA 94546
SOLD MAY 11, 2026
$1,273,000
B
3 beds2 baths1,675 sq ft
18640 Sandy Rd, Castro Valley, CA 94546
SOLD SEP 18, 2026
$1,138,500
C
3 beds2 baths1,502 sq ft
5034 Rahlves Dr, Castro Valley, CA 94546
SOLD APR 28, 2026
$1,200,000
D
3 beds2 baths1,508 sq ft
18602 Center St, Castro Valley, CA 94546
SOLD JUN 12, 2026
$1,150,000
E
3 beds2 baths1,576 sq ft
5239 Katrina Ct, Castro Valley, CA 94546
SOLD JUL 14, 2026
$1,150,000
F
3 beds2 baths1,681 sq ft
18650 Center St, Castro Valley, CA 94546

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Earn from this home

Sell

$1,043,732

Est. take-home

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Refinance

Est. cash available

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Rent

$3,667/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

104.0%

+0.4% MoM

Median sale price

$1.1M

$30K MoM

Avg. days on market

15d

1 days MoM

Recently sold homes

15 MoM

New listings for sale

OPEN OCT 12, 3PM TO 5PM
$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 OCT 17, 1PM TO 4PM
$799,888
3 beds1 bath988 sq ft
2240 Lessley Ave, Castro Valley, CA 94546
$499,000
3 beds2 baths1,354 sq ft
21314 Gary Dr #108, Hayward, CA 94546
$1,498,000
4 beds3 baths3,275 sq ft
19912 Conrad Ct, Castro Valley, CA 94546
OPEN OCT 18, 1PM TO 4PM
$1,198,000
4 beds2.5 baths2,038 sq ft
3636 Arcadian Dr, Castro Valley, CA 94546
$848,888
3 beds1 bath1,288 sq ft
21968 Orange Ave, Castro Valley, CA 94546
EARLY ACCESS
$550,000
2 beds2 baths1,393 sq ft
21239 Gary Dr #206, Hayward, CA 94546
$429,000
2 beds2 baths899 sq ft
2505 Miramar Ave #114, Castro Valley, CA 94546
COMING SOON
5032 Vannoy Ave, Castro Valley, CA 94546
$1,250,000
4 beds2 baths1,860 sq ft
5032 Vannoy Ave, Castro Valley, CA 94546
See all

Provided by Redfin

Sale history for 18766 Sandy Rd

Year

Property tax

Land + Additions

Assessment*

2025

$4,538 (+2.5%)

$96,579 + $227,628

$324,207

2024

$4,426 (+2.0%)

$94,686 + $223,165

$317,851

2023

$4,339 (+2.3%)

$92,829 + $218,789

$311,618

2022

$4,242 (+2.8%)

$89,225 + $210,295

$299,520

2021

$4,128 (+2.4%)

$89,225 + $210,295

$299,520

2020

$4,031 (−1.0%)

$87,476 + $206,172

$293,648

2019

$4,071 (+3.0%)

$86,579 + $204,059

$290,638

2018

$3,954 (+2.8%)

$84,882 + $198,058

$282,940

2017

$3,847 (+5.2%)

$81,586 + $190,369

$271,955

2016

$3,659 (+7.0%)

$81,586 + $190,369

$271,955

2015

$3,420 (+1.8%)

$79,987 + $186,637

$266,624

2014

$3,361 (+1.2%)

$77,243 + $180,234

$257,477

2013

$3,321 (+2.3%)

$77,243 + $180,234

$257,477

2012

$3,247 (+1.4%)

$76,894 + $179,420

$256,314

2011

$3,201 (+0.8%)

$75,387 + $175,903

$251,290

2010

$3,176 (−0.2%)

$73,909 + $172,454

$246,363

2009

$3,183 (+4.1%)

$73,356 + $171,165

$244,521

2008

$3,058

$73,531 + $171,572

$245,103

Tax history for 18766 Sandy Rd

Year

Property tax

Land + Additions

Assessment*

2025

$4,538 (+2.5%)

$96,579 + $227,628

$324,207

2024

$4,426 (+2.0%)

$94,686 + $223,165

$317,851

2023

$4,339 (+2.3%)

$92,829 + $218,789

$311,618

2022

$4,242 (+2.8%)

$89,225 + $210,295

$299,520

2021

$4,128 (+2.4%)

$89,225 + $210,295

$299,520

2020

$4,031 (−1.0%)

$87,476 + $206,172

$293,648

2019

$4,071 (+3.0%)

$86,579 + $204,059

$290,638

2018

$3,954 (+2.8%)

$84,882 + $198,058

$282,940

2017

$3,847 (+5.2%)

$81,586 + $190,369

$271,955

2016

$3,659 (+7.0%)

$81,586 + $190,369

$271,955

2015

$3,420 (+1.8%)

$79,987 + $186,637

$266,624

2014

$3,361 (+1.2%)

$77,243 + $180,234

$257,477

2013

$3,321 (+2.3%)

$77,243 + $180,234

$257,477

2012

$3,247 (+1.4%)

$76,894 + $179,420

$256,314

2011

$3,201 (+0.8%)

$75,387 + $175,903

$251,290

2010

$3,176 (−0.2%)

$73,909 + $172,454

$246,363

2009

$3,183 (+4.1%)

$73,356 + $171,165

$244,521

2008

$3,058

$73,531 + $171,572

$245,103

*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

Apr 18, 2024 • Final

Building

Replace a furnace with a similar unit.

HVAC

Feb 2, 2022 • Final

Residential roof-mounted solar pv, ess & electrical

Install a roof-mounted solar photovoltaic system on a residential building.

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

Room Information
# of Rooms: 5

Exterior

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

Property Information
Living Sq. Ft: 1,545
Building Sq. Ft: 1,545
# of Units: 1
# of Stories: 1
Legal Description: TRACT 865 BLK 7 LOT 6

Lot Information
# of Buildings: 1
Land Sq. Ft: 7,747
Legal Lot Number: 6
Legal Block Number: 7
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.1778
County Use Description: SINGLE FAMILY RESIDENTIAL HOME

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,545
Stories: 1.0
Lot Size: 7,747 square feet
Style: Single Family Residential
Year Built: 1951
Year Renovated: 1951
County: Alameda County
APN: 084C086501700

Home facts updated by county records on Sep 17, 2026

Around this home

Schools

Proctor Elementary School

Public K-5 • Assigned • 0.7mi

9/10

Canyon Middle School

Public 6-8 • Assigned • 0.7mi

7/10

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 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...
1 week 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

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, 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

$1.05M – $1.27M

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Nearby similar homes

$1,199,999

3 beds2 baths1,581 sq ft

18747 Sandy Rd, Castro Valley, CA 94546

$1,299,000

4 beds3 baths2,084 sq ft

19430 Solitaire Ct, Castro Valley, CA 94546

$979,000

4 beds2.5 baths1,980 sq ft

4101 Toddika Ln, Castro Valley, CA 94546

3D & VIDEO TOUR

$1,180,000

5 beds4 baths1,934 sq ft

3270 Keith Ave, Castro Valley, CA 94546

$1,200,000

4 beds3 baths1,897 sq ft

18153 Judy St, Castro Valley, CA 94546

$1,495,000

4 beds2.5 baths2,406 sq ft

3265 Hertlein Pl, Castro Valley, CA 94546

New listings for sale in 94546

OPEN OCT 12, 3PM TO 5PM

$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 OCT 17, 1PM TO 4PM

$799,888

3 beds1 bath988 sq ft

2240 Lessley Ave, Castro Valley, CA 94546

$499,000

3 beds2 baths1,354 sq ft

21314 Gary Dr #108, Hayward, CA 94546

$1,498,000

4 beds3 baths3,275 sq ft

19912 Conrad Ct, Castro Valley, CA 94546

OPEN OCT 18, 1PM TO 4PMHOT HOME

$1,198,000

4 beds2.5 baths2,038 sq ft

3636 Arcadian Dr, Castro Valley, CA 94546

$848,888

3 beds1 bath1,288 sq ft

21968 Orange Ave, Castro Valley, CA 94546

EARLY ACCESSCOMPASS COMING SOON

$550,000

2 beds2 baths1,393 sq ft

21239 Gary Dr #206, Hayward, CA 94546

$429,000

2 beds2 baths899 sq ft

2505 Miramar Ave #114, Castro Valley, CA 94546

Home values near 18766 Sandy Rd

Data from public records.

Address	Redfin Estimate
18748 Sandy Rd, Castro Valley, CA 2 Beds \| 1 Baths \| 1169 Sq. Ft.	$1,000,807
18778 Sandy Rd, Castro Valley, CA 4 Beds \| 2.5 Baths \| 1789 Sq. Ft.	$1,455,742

Address	Redfin Estimate
18772 Sandy Rd, Castro Valley, CA 1 Beds \| 2 Baths \| 1518 Sq. Ft.	$1,018,754
18760 Sandy Rd, Castro Valley, CA 3 Beds \| 2 Baths \| 1212 Sq. Ft.	$1,149,947

Address	Redfin Estimate
18790 Sandy Rd, Castro Valley, CA 3 Beds \| 2 Baths \| 1332 Sq. Ft.	$967,582
18794 Sandy Rd, Castro Valley, CA 3 Beds \| 2 Baths \| 1403 Sq. Ft.	$1,084,182

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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 18766 Sandy Rd

Tax history for 18766 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 18766 Sandy Rd

More real estate resources