25489 Palomares RD, Castro Valley, CA 94552

$3,800,000 Active

9 Beds·10 Baths·4,270 sqft·623,779 sqft lot·Built 1979

25489 Palomares RD, Castro Valley, CA 94552

Listed 3 days ago · July 31, 2026 | MLS# ML82056195

$889/sqft +34% vs Castro Valley avg

What this means: Priced above the Castro Valley per-sqft average. Compare to recent sales below for context.

Est. $23,938/moP&I $19,717 · Tax $3,958 · Insurance $262 · HOA $0Assumes 20% down ($760,000) at 6.75% · Contact Timothy for a lender referralAegis Luxury Real Estate is a licensed California real estate brokerage (DRE# 01328224) and is not a mortgage lender, mortgage broker, or loan originator. The figures shown are estimates for general reference only and do not constitute a loan offer, pre-approval, pre-qualification, or commitment to lend. Estimates use the applicable county average property tax rate of 1.25% of home price annually. Actual rates, payments, taxes, and insurance vary by lender and borrower qualifications. Contact Timothy for a referral to one of our preferred lending partners.

Single Family Price Position in Castro Valley

Average $1.2M

Above typical range

$750K$1.5M

Why This Home Stands Out

📍

Castro Valley Location

Active listing in Castro Valley, Santa Clara County. Convenient access to schools, parks, and Bay Area employment centers.

⚡

Just Listed, 3 Days on Market

Castro Valley avg is 49 days. Early showings often see the most competition.

🏠

9 Bed / 10 Bath / 4,270 sqft on 623,779 sqft Lot

Spec sheet at a glance. See full details below for interior, exterior, and lot features.

🌱

OPEN FRI, 1PM TO 4PM

Tour the property in person. No appointment needed.

💰

Listed at $3.8M vs City Average $1.3M

$889/sqft compared to Castro Valley avg $663/sqft (+34.2%).

Best fit forActive BuyersCastro Valley SearchersMove-Up / Move-In

About This Home

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.

MLS ID #ML82056195, Blanca Medellin. Listing provided by eXp Realty of California Inc · MLSListings Inc.

Interested in 25489 Palomares RD?

Get a personalized analysis with comp data, offer strategy, and neighborhood context.

Property Details

Property Type

Single Family Residence

Year Built

1979

Bedrooms

Bathrooms

9 Full, 1 Half

Living Area

4,270 sqft

Lot Size

623,779 sqft

Garage

6 Spaces

Price/sqft

$889

County

Alameda

MLS Number

ML82056195

Status

Active

Stories

N/A

HOA

None

Interior Features

CentralForcedAir

Exterior & Lot

Tile Roof6-Car Garage14.32 Acres

Location

This HomeActive ListingNew (3 days or less)Price ReducedOpen HouseSold

25489 Palomares RD, Castro Valley, CA 94552 · Alameda County

Market Context

Price Positioning

$ Price context: Listed at $889/sqft vs Castro Valley avg $663/sqft (+34.2% above).

$ Sale-to-list: Castro Valley homes selling at 104.6% of asking.

⏲ Velocity: City avg 49 days. This home: 3 days.

🏠 Inventory: 1 9-bedroom homes currently available in Castro Valley.

Source: MLSListings Inc. Timothy Alston, Broker, DRE# 01328224.

Want to know what this home will actually sell for? Get a data-backed offer range based on recent comparable sales.

Get My Offer Range →

Straight from the MLS · Updated every 15 min

Timothy Alston

Broker · Over 23 Years Experience

The Listings Other Buyers See 6 Hours Late

Get a data-backed offer strategy for 25489 Palomares RD before the next showing window closes.

Your Analysis Includes:

✓ What 3 similar homes sold for this month

✓ Recommended offer range based on comps

✓ Current competition and showing activity

✓ Renovation ROI estimate for this property

✓ Whether the asking price aligns with value

Get My Offer Strategy →

or call (408) 207-4593 now

✓ No spam
✓ No calls unless you ask
✓ Your timeline
✓ One-click unsubscribe

Market Snapshot

$1,333,837Average Price-9.9% vs Last Year

49Avg DOM-10.9 days vs Last Year

15Active Listings+114.3% vs Last Year

104.6%Sale-to-List+5.5% vs Last Year

Full Market Snapshot →

Timothy Alston

Broker · DRE# 01328224

Aegis Luxury Real Estate

(408) 207-4593 [email protected]

For Homeowners

What would your Castro Valley home sell for today?

Homes in Castro Valley are selling at 104.6% of asking in 49 days.

104.6%Sale-to-List

49Avg Days

Get My Home's Value

Free. No obligation. Takes 30 seconds.

More in Castro Valley

3818-3818A Northridge AVE$1,159,9904bd/4ba/1,714sf

3832-3832A Norbridge AVE$1,159,8404bd/4ba/1,714sf

19054 Vannoy CT$1,349,9503bd/2ba/1,603sf

View All Listings →

25489 Palomares RD is located in the CastroValley area of Castro Valley, California. This 9-bedroom, 10-bathroom single-family home is listed for $3,800,000. Homes in CastroValley average $663 per square foot with an average of 49 days on market, making this one of the most actively watched markets in 94552.

9-Bedroom Homes for Sale in Castro Valley 94552

Browse 9-bedroom single-family home listings in the CastroValley area of Castro Valley. Properties in 94552 are currently averaging $663 per square foot with 49 days on market.

What to Expect When Buying in CastroValley

The CastroValley market in Castro Valley features a mix of single-family home properties ranging from starter homes to luxury estates. Current inventory levels suggest moderate conditions for buyers in this area.

Explore Castro Valley real estate

Castro Valley homes for sale Buying a home in Castro Valley Search all listings Schools in Castro Valley Castro Valley market trends

Recently Sold in Castro Valley

No recent sold comps found in this segment.

For Homeowners

Your neighbors are selling. Should you?

In the last 3 months, 13 homes sold in Castro Valley at an average of $1,063,096. The average sale closed at 104.6% of asking price.

13Sold (Last 3 Months)

$1,063,096Average Sale Price

104.6%Sale-to-List

What is my home worth?Talk to Timothy

What happens when the right home lists and nobody knows you are looking for it?

In Castro Valley, Data pending new listings hit the MLS this week. By the time most search sites update, the window has already narrowed.

Get Alerts for Castro Valley Homes Like This →

Nearby Castro Valley Homes for Sale View All 13 →

3818-3818A Northridge AVE, CastroValley 94546

New

$1,159,990

3818-3818A Northridge AVE, Castro Valley

4 bed4 bath1,714 sqft

MLS ID #ML82026309, Theresa Mejia. Listing provided by KB Home Sales -Northern California Inc · MLSListings Inc.

3832-3832A Norbridge AVE, CastroValley 94546

New

$1,159,840

3832-3832A Norbridge AVE, Castro Valley

4 bed4 bath1,714 sqft

MLS ID #ML82053906, Theresa Mejia. Listing provided by KB Home Sales -Northern California Inc · MLSListings Inc.

New

$1,349,950

19054 Vannoy CT, Castro Valley

3 bed2 bath1,603 sqft

MLS ID #ML82054699, Paul Burdick. Listing provided by KW Bay Area Estates · MLSListings Inc.

Nearby Open Houses See All →

OPEN SAT, 2PM TO 4PM

$1,599,888

17529 Mayflower DR, Castro Valley

4 bd · 2.5 ba · 2,486 sqft

MLS ID #ML82046540, Laxmi Penupothula. Listing provided by Intero Real Estate Services · MLSListings Inc.

See All Open Houses This Weekend →

Castro Valley Market Overview Full Stats →

$1,063,096Avg Sale Price-9.9% vs Last Year

49Avg DOM-10.9% vs Last Year

15Active Listings

104.6%Sale-to-List

$663Price/sqft

3.5Months Inventory

13Closed (Last Mo)

Data pendingNew Listings/Mo

Source: MLSListings Inc. · August 2026

Frequently Asked Questions

Listed at $3,800,000 ($889/sqft). Castro Valley avg is $663/sqft, placing this +34.2% above. Comparable recent sales help frame the value.

Listed 3 days (as of July 31, 2026). Castro Valley average is 49 days.

Est. $23,938/mo with 20% down ($760,000) at 6.75%. Includes principal & interest ($19,717), property tax ($3,958), and insurance ($262). HOA: None. Aegis Luxury Real Estate is a licensed California real estate brokerage (DRE# 01328224) and is not a mortgage lender, mortgage broker, or loan originator. The figures shown are estimates for general reference only and do not constitute a loan offer, pre-approval, pre-qualification, or commitment to lend. Estimates use the applicable county average property tax rate of 1.25% of home price annually. Actual rates, payments, taxes, and insurance vary by lender and borrower qualifications. Contact Timothy for a referral to one of our preferred lending partners.

There are 15 active listings in Castro Valley (1 are 9-bedroom). At $3,800,000 this is positioned against the city average of $1,333,837. Similar homes have sold at 104.6% of asking.

9-bedroom homes in Castro Valley (94552) are currently averaging $663 per square foot. Market activity shows homes spending an average of 49 days on market in this area.

25489 Palomares RD in Castro Valley is currently listed at $3,800,000. This 9-bedroom, 10-bathroom single-family home is located in the CastroValley area.

Property Information © 2026 MLSListings Inc. All rights reserved. Certain information contained herein is derived from information which is the licensed property of, and copyrighted by, MLSListings Inc.

The data relating to real estate for sale on this display comes in part from the Internet Data Exchange program of the MLSListings™ MLS system. Real estate listings held by brokerage firms other than Aegis Luxury Real Estate are marked with the Internet Data Exchange icon (a stylized house) and detailed information about them includes the names of the listing brokers and listing agents.

Based on information from the MLSListings MLS as of Aug 3, 2026 9:45 PM PT. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

These statistics are generated using information from the MLSListings Inc. multiple listing service, but have not been verified and are not guaranteed. MLSListings Inc. disclaims any responsibility for the accuracy and reliability of these statistics. This information should not be relied upon for real estate transaction decisions.

Data updated every 15 minutes. Visit www.MLSListings.com for more information.

Information provided is for general informational purposes only. Equal Housing Opportunity. If you are currently working with a real estate agent, this is not intended as a solicitation.

Timothy Alston, Broker, DRE# 01328224, Aegis Luxury Real Estate, 10080 N. Wolfe Rd Ste SW3-200, Cupertino CA 95014. (408) 207-4593.

Last updated: Aug 3, 2026 9:45 PM PT | Source: MLSListings Inc.

All content on this page is the property of Aegis Luxury Real Estate (DRE# 01328224). Automated scraping, downloading, or republication is strictly prohibited.

Why This Home Stands Out

About This Home

Property Details

Interior Features

Exterior & Lot

Location

Market Context