Google street view image for 18615 Sandy Rd, Castro Valley, CA 94546

Off market oct 1999 for $267K

$1,011,817

Est. refi paymentEst. refi $1,827/mo

•

1,313

sq ft

18615 Sandy Rd, Castro Valley, CA 94546

About this home

Single-familyProperty Type

1949Year Built

8,003 sq ftLot Size

$771Est. Price/Sq.Ft.

1 car garageParking

Listed by Rick Capps •DRE #01084260 • COLDWELL BANKER BARTELS

Bought with Out Of Area Out • RECIPROCAL LISTING

Redfin checked: a minute ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #29031926

Redfin Estimate

$1,011,817

$745K since sold in October 1999$1,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 15.1% lower than the average sale price ($1.19M) of 6 comparable homes.

SOLD JUN 9, 2026
$982,000
A
3 beds2 baths1,596 sq ft
20048 Sapphire St, Castro Valley, CA 94546
SOLD JUL 1, 2026
$1,310,000
B
3 beds2 baths1,340 sq ft
4880 Mancini Dr, Castro Valley, CA 94546
SOLD MAY 11, 2026
$1,273,000
C
3 beds2 baths1,675 sq ft
18640 Sandy Rd, Castro Valley, CA 94546
SOLD JUN 12, 2026
$1,250,000
D
3 beds1.5 baths1,743 sq ft
4596 James Ave, 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 SEP 18, 2026
$1,138,500
F
3 beds2 baths1,502 sq ft
5034 Rahlves Dr, Castro Valley, CA 94546

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Earn from this home

Sell

$923,697

Est. take-home

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Refinance

Est. cash available

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Rent

$3,658/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

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3 beds1 bath988 sq ft
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EARLY ACCESS
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$429,000
2 beds2 baths899 sq ft
2505 Miramar Ave #114, Castro Valley, CA 94546
COMING SOON
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$1,250,000
4 beds2 baths1,860 sq ft
5032 Vannoy Ave, Castro Valley, CA 94546
See all

Provided by Redfin

Sale history for 18615 Sandy Rd

Year

Property tax

Land + Additions

Assessment*

2025

$5,754 (+2.4%)

$125,566 + $296,613

$422,179

2024

$5,619 (+1.8%)

$123,104 + $290,799

$413,903

2023

$5,518 (+2.1%)

$120,691 + $285,098

$405,789

2022

$5,403 (+2.7%)

$116,005 + $274,029

$390,034

2021

$5,262 (+2.4%)

$116,005 + $274,029

$390,034

2020

$5,141 (−1.7%)

$113,731 + $268,657

$382,388

2019

$5,230 (+2.9%)

$112,566 + $265,904

$378,470

2018

$5,082 (+2.7%)

$110,359 + $260,691

$371,050

2017

$4,948 (+5.1%)

$106,074 + $250,570

$356,644

2016

$4,708 (+7.0%)

$106,074 + $250,570

$356,644

2015

$4,401 (+1.5%)

$103,995 + $245,658

$349,653

2014

$4,338 (+1.0%)

$100,426 + $237,229

$337,655

2013

$4,295 (+2.1%)

$100,426 + $237,229

$337,655

2012

$4,205 (+1.4%)

$99,973 + $236,158

$336,131

2011

$4,148 (+0.7%)

$98,013 + $231,528

$329,541

2010

$4,118 (−0.3%)

$96,091 + $226,988

$323,079

2009

$4,131 (+3.6%)

$95,374 + $225,293

$320,667

2008

$3,986

$95,600 + $225,829

$321,429

Tax history for 18615 Sandy Rd

Year

Property tax

Land + Additions

Assessment*

2025

$5,754 (+2.4%)

$125,566 + $296,613

$422,179

2024

$5,619 (+1.8%)

$123,104 + $290,799

$413,903

2023

$5,518 (+2.1%)

$120,691 + $285,098

$405,789

2022

$5,403 (+2.7%)

$116,005 + $274,029

$390,034

2021

$5,262 (+2.4%)

$116,005 + $274,029

$390,034

2020

$5,141 (−1.7%)

$113,731 + $268,657

$382,388

2019

$5,230 (+2.9%)

$112,566 + $265,904

$378,470

2018

$5,082 (+2.7%)

$110,359 + $260,691

$371,050

2017

$4,948 (+5.1%)

$106,074 + $250,570

$356,644

2016

$4,708 (+7.0%)

$106,074 + $250,570

$356,644

2015

$4,401 (+1.5%)

$103,995 + $245,658

$349,653

2014

$4,338 (+1.0%)

$100,426 + $237,229

$337,655

2013

$4,295 (+2.1%)

$100,426 + $237,229

$337,655

2012

$4,205 (+1.4%)

$99,973 + $236,158

$336,131

2011

$4,148 (+0.7%)

$98,013 + $231,528

$329,541

2010

$4,118 (−0.3%)

$96,091 + $226,988

$323,079

2009

$4,131 (+3.6%)

$95,374 + $225,293

$320,667

2008

$3,986

$95,600 + $225,829

$321,429

*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

8,003 Sq. Ft.

Year renovated

1949

Sq. Ft.

1,313

Year built

1949

Style

Single Family Residential

County

Alameda County

APN

084C087000400

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 17, 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 11, 2010 • Final

Building

Remodel an existing in-ground swimming pool. Relocate plumbing and electrical pool equipment to the existing garage, resurface the pool interior, and replace the existing concrete pool deck.

Electrical

Plumbing

Pool and hot tub

Jul 26, 2010 • Final

Building

Install a gas line for a new fireplace insert and a gas barbecue. Install new electrical circuits for a warming oven, countertop, and low voltage lighting.

Electrical

Gas

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
Has Attached Garage
Garage Spaces: 1
Covered Spaces: 1
Parking Features: Attached

Interior

Bathroom Information
# of Bathrooms Total: 2
# of Bathrooms Full: 1
# of Bathrooms Partial: 1
Other Bathrooms Included Features: Stall Shower

Interior Features
Interior Features: Dining Area, Utility Room
Appliances: Electric Range
Laundry Features: Dryer, Washer
Street Level Features: 3 Bedrooms
Window Features: Window Coverings
Fireplaces Total: 1
Has Fireplace
Flooring: Hardwood Flrs Throughout, Linoleum, Carpet

Room Information
Kitchen Features: Electric Range/Cooktop
Rooms Total: 7
Fireplace Features: Wood Burning
Basement: Crawl Space

Exterior

Building Information
Construction Materials: Wood Siding
Building Area Total: 1,313

Exterior Features
Patio And Porch Features: Patio
Exterior Features: Front Yard, Sprinklers Front, Terraced Up
Fencing: Fenced
Roof: Shake

Pool Information
Pool Features: Gas Heat, In Ground
Has Private Pool

Property Information
Living Area: 1313
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1949

Lot Information
Lot Size Square Feet: 8003
Lot Size Area: 0.18
Lot Size Units: Acres
Lot Size Acres: 0.18
Lot Features: Regular, Sloped Up

Utilities

Utility Information
Water Source: Public

Heating & Cooling
Has Heating
Heating: Floor Furnace, Natural Gas
Cooling: No Air Conditioning

Location

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

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,313
Stories: 1.0
Lot Size: 8,003 square feet
Style: Single Family Residential
Year Built: 1949
Year Renovated: 1949
County: Alameda County
APN: 084C087000400

Home facts updated by county records on Sep 17, 2026

Around this home

Schools

Proctor Elementary School

Public K-5 • Assigned • 0.6mi

9/10

Canyon Middle School

Public 6-8 • Assigned • 0.8mi

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 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, 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

$962,000 – $1.16M

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Home values near 18615 Sandy Rd

Data from public records.

Address	Redfin Estimate
18631 Sandy Rd, Castro Valley, CA 3 Beds \| 2 Baths \| 1416 Sq. Ft.	$1,248,927
18743 Sandy Rd, Castro Valley, CA 2 Beds \| 1 Baths \| 1036 Sq. Ft.	$889,888

Address	Redfin Estimate
18619 Sandy Rd, Castro Valley, CA 3 Beds \| 1 Baths \| 1188 Sq. Ft.	$1,004,304
18632 Sandy Rd, Castro Valley, CA 3 Beds \| 2 Baths \| 1483 Sq. Ft.	$1,078,107

Address	Redfin Estimate
18616 Sandy Rd, Castro Valley, CA 4 Beds \| 2 Baths \| 2155 Sq. Ft.	$1,404,742
18623 Sandy Rd, Castro Valley, CA 2 Beds \| 1 Baths \| 1048 Sq. Ft.	$986,066

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 1999. This data may not match . Learn more.

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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 18615 Sandy Rd

Tax history for 18615 Sandy 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 18615 Sandy Rd

More real estate resources