For sale

$3,800,000

25489 Palomares Rd, Castro Valley, CA 94552

9beds

4,270sqft

$26,492/mo

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Single Family Residence, Residential

Built in 1979

14.32 Acres Lot

$3,931,100 Zestimate^®

$890/sqft

$-- HOA

What's special

Discover an exceptional opportunity at 25489 Palomares Rd, a remarkable estate set on approximately 14 acres in the scenic hills of Castro Valley. Offering approximately 6,890 sq. ft. of total living space, this expansive property features 9 bedrooms and 10 bathrooms, providing abundant room for multi-generational living, extended guests, or a variety of lifestyle possibilities. Your new home offers a unique combination of space, privacy, and flexibility, complemented by a generous six-car garage. Surrounded by beautiful natural scenery, the property provides a peaceful retreat while remaining conveniently located near local amenities and major commuter routes. With its impressive scale and expansive acreage, this one-of-a-kind property offers endless potential for those seeking space, privacy, and a distinctive East Bay lifestyle. An opportunity like this is truly rare.

4 days

798

27

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 9
Bathrooms: 10
Full bathrooms: 9
1/2 bathrooms: 1

Dining room

Features: DiningArea

Family room

Features: SeparateFamilyRoom

Heating

Central Forced Air

Cooling

Central Air

Features

Fireplace features: Gas

Interior area

Total structure area: 4,270
Total interior livable area: 4,270 sqft

Property

Parking

Total spaces: 6
Parking features: Attached, Detached
Attached garage spaces: 6

Features

Stories: 2

Lot

Size: 14.32 Acres

Details

Parcel number: 085A2901001
Zoning: AG
Special conditions: NoticeOfDefault

Construction

Type & style

Home type: SingleFamily
Property subtype: Single Family Residence, Residential

Materials

Foundation: Slab
Roof: Tile

Condition

New construction: No
Year built: 1979

Utilities & green energy

Gas: PublicUtilities
Sewer: Septic Tank
Water: Public
Utilities for property: Public Utilities, Water Public

Community & HOA

Location

Region: Castro Valley

Financial & listing details

Price per square foot: $890/sqft
Tax assessed value: $1,357,980
Date on market: 7/31/2026
Listing agreement: ExclusiveRightToSell

Foreclosure details

Estimated market value

$3,931,100

$3.07M - $5.03M

$5,370/mo

Price history

Date	Event	Price
7/31/2026	Listed for sale	$3,800,000+375.6%$890/sqft
Source: MLSListings Inc #ML82056195 Report a problem
6/13/1994	Sold	$799,000$187/sqft
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	--	$1,357,980 +2%
2024	$16,660 +2.3%	$1,331,357 +2%
2023	$16,281 +0.7%	$1,305,254 +2%
2022	$16,174 +2.4%	$1,279,661 +2%
2021	$15,790 +2.7%	$1,254,573 +1%
2020	$15,381 -1.6%	$1,241,709 +2%
2019	$15,638 +9.6%	$1,217,364 +2%
2018	$14,273	$1,193,497 +2%
2017	$14,273 +5.1%	$1,170,103 +2%
2016	$13,582 +7.6%	$1,147,163 +1.5%
2015	$12,622	$1,129,937 +2%
2014	$12,622	$1,107,805 +0.5%
2013	--	$1,102,803 +2%
2012	--	$1,081,182 +2%
2011	--	$1,059,985 +0.8%
2010	--	$1,052,067 -0.2%
2009	--	$1,054,567 +2%
2008	--	$1,033,897 +2%
2007	--	$1,013,626 +2%
2006	--	$993,755 +2%
2005	--	$974,276 +2%
2004	--	$955,181 +1.9%
2003	--	$937,674 +2%
2002	--	$919,290 +2%
2001	$9,518	$901,264

Find assessor info on the county website

Monthly payment

Est. payment

Payment breakdown

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Principal & interest
$1,547
Mortgage insurance
$0
Property taxes
$170
Home insurance
$105
HOA fees
$0
Utilities
Not included

All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.

HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.

Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.

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Climate risks

Neighborhood: 94552

Getting around

0 / 100

Car-Dependent

0 / 100

No Nearby Transit

3 / 100

Somewhat Bikeable

Nearby schools

GreatSchools rating

9/10
Palomares Elementary School
Grades: K-5Distance: 0.8 mi
7/10
Canyon Middle School
Grades: 6-8Distance: 2.3 mi
9/10
Castro Valley High School
Grades: 9-12Distance: 3.3 mi

Schools provided by the listing agent

District: CastroValleyUnified

Source: MLSListings Inc. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.