For sale

$1,235,000

18747 Sandy Rd, Castro Valley, CA 94546

3beds

1,581sqft

$8,479/mo

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Residential, Single Family Residence

Built in 1968

5,280 Square Feet Lot

$1,200,900 Zestimate^®

$781/sqft

$-- HOA

What's special

Central air and heat

Beautifully updated, move in ready home, located on one of Castro Valley's most sought-after streets. Enjoy close proximity to shopping, scenic parks, nature trails and award-winning schools. A unique feature of the home is the converted garage, originally designed as an art studio for the world-renowned photorealist artist, Richard Maclean, who once resided here. During Halloween, Sandy Rd becomes one of Castro Valley's most popular destinations, attracting hundreds of trick-or- treaters each year and creating a fun, festive neighborhood atmosphere. This home features lots of upgrades, central air and heat and an open floorplan with an abundance of light. The bonus room can be easily converted back to a garage if desired.

17 days
1,103
43

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 3
Bathrooms: 2
Full bathrooms: 2

Rooms

Room types: 3 Bedrooms, 2 Baths, Bonus Room

Kitchen

Features: Stone Counters

Heating

Central

Cooling

Central Air

Appliances

Included: Dryer, Washer
Laundry: In Kitchen

Features

Flooring: Hardwood
Number of fireplaces: 1
Fireplace features: Family Room

Interior area

Total structure area: 1,581
Total interior livable area: 1,581 sqft

Property

Parking

Parking features: See Remarks

Features

Levels: One
Stories: 1
Patio & porch: Front Porch
Pool features: None

Lot

Size: 5,280 Square Feet
Features: Street Light(s), Back Yard, Front Yard, Side Yard

Details

Parcel number: 84C87018
Special conditions: Standard

Construction

Type & style

Home type: SingleFamily
Architectural style: Ranch
Property subtype: Residential, Single Family Residence

Materials

Wood Siding
Roof: Shingle

Condition

Existing
New construction: No
Year built: 1968

Utilities & green energy

Electric: No Solar
Sewer: Public Sewer
Water: Public

Community & HOA

Community

Subdivision: Upper Valley

HOA

Has HOA: No

Location

Region: Castro Valley

Financial & listing details

Price per square foot: $781/sqft
Tax assessed value: $780,860
Price range: $1.2M - $1.2M
Date on market: 8/27/2026
Listing agreement: Excl Right
Listing terms: Cash,Conventional

Estimated market value

$1,200,900

$1.14M - $1.26M

$3,898/mo

Price history

Date	Event	Price
8/27/2026	Listed for sale	$1,235,000-1.1%$781/sqft
Source: Bay East AOR #41146369 Report a problem
8/21/2026	Listing removed	$1,249,000$790/sqft
Source: Bay East AOR #41141832 Report a problem
7/16/2026	Listed for sale	$1,249,000+175.9%$790/sqft
Source: Bay East AOR #41141832 Report a problem
3/4/2009	Sold	$452,750+0.8%$286/sqft
Source: Bay East AOR #40390889 Report a problem
1/24/2009	Listed for sale	$449,000+21.7%$284/sqft
Source: Alain Pinel Realtors #40390889 Report a problem
9/5/2008	Sold	$369,000-25.6%$233/sqft
Source: Public Record Report a problem
10/30/2006	Sold	$496,000-7.5%$314/sqft
Source: Public Record Report a problem
4/26/2004	Sold	$536,000+146.4%$339/sqft
Source: Bay East AOR #11222082 Report a problem
2/21/1997	Sold	$217,500+64.2%$138/sqft
Source: Bay East AOR #10586957 Report a problem
9/5/1996	Sold	$132,500$84/sqft
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2026	--	$780,860 +2%
2025	$9,820 +2.3%	$765,551 +2%
2024	$9,601 +1.6%	$750,542 +2%
2023	$9,447 +2%	$735,828 +2%
2022	$9,266 +2.6%	$721,404 +2%
2021	$9,028 +2.3%	$707,260 +1%
2020	$8,822 -1.8%	$700,013 +34%
2019	$8,984 +35.9%	$522,578 +2%
2018	$6,612	$512,333 +2%
2017	$6,612 +5.1%	$502,288 +2%
2016	$6,291 +8.4%	$492,441 +1.5%
2015	$5,804	$485,049 +2%
2014	$5,804	$475,552 +0.5%
2013	--	$473,406 +2%
2012	--	$464,125 +2%
2011	--	$455,026 +0.8%
2010	--	$451,626 +6.8%
2009	--	$423,000 -30.9%
2008	--	$612,407 +2%
2007	--	$600,401 +7.7%
2006	--	$557,654 +2%
2005	--	$546,720 +119.4%
2004	--	$249,153 +1.9%
2003	--	$244,587 +2%
2002	--	$239,792 +2%
2001	$2,711	$235,089