OFF MARKET

Off Market Mar 2024 for $1.7M

$1,859,933

Est. refi paymentEst. refi $13,895/mo

•

2,579

sq ft

5275 Greenridge Rd, Castro Valley, CA 94552

About this home

A remarkable opportunity to own one of the most incredible Eichler homes in all of Greenridge, & only one with a completed ADU! 2 individual homes on one lot! Welcome to 5275 Greenridge, an iconic representation of mid-century modern architecture, with everything you'd want in an Eichler home including the signature open air atrium, & spacious open great room with high ceilings & wood burning brick fireplace. 4 bedrooms, 2 bathrooms of single level living with an updated kitchen, period flooring & lighting, mahogany paneling, & colors inspired by the most famous Eichler home the X100. System upgrades include updated electrical with 8KW solar, insulated foam roof, tankless water heater, UV safety filmed windows, & more! The ADU is an amazing structure on its own & the perfect compliment in style & design to the main house. Inspired by Mies Van Der Rohe's Farnsworth house & completed in 2022, this fully permitted 2 bedroom, 1 bathroom, 2+ year project with separate entrance & address as well as it's own storage, laundry, & private deck, gives the property an additional 750+ square feet, & an incredible opportunity for an extended family, or rental income. All this situated on a large private lot of over 14,000 square feet with newly lined heated pool & low maintenance landscaping.

Single-familyProperty Type

1960Year Built

0.33 acresLot Size

$721Est. Price/Sq.Ft.

2 car garageParking

Listed by Thomas Westfall •DRE #01833889 • Compass

Bought with Gillian Leslie •DRE #01741458 • Red Oak Realty

Redfin checked: 3 minutes ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #41046400

Redfin Estimate

$1,859,933

$90K since sold in March 2024$5,000 since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 12.5% higher than the average sale price ($1.65M) of 6 comparable homes.

SOLD JUL 13, 2026
$1,950,000
A
5 beds3 baths2,955 sq ft
4859 Beacon Hill Dr, Castro Valley, CA 94552
SOLD JUL 30, 2026
$1,350,000
B
4 beds3 baths2,645 sq ft
4592 Edwards Ln, Castro Valley, CA 94546
SOLD MAY 27, 2026
$1,495,000
C
4 beds2 baths1,986 sq ft
5354 Greenridge Rd, Castro Valley, CA 94552
SOLD JUN 17, 2026
$1,780,000
D
4 beds2 baths1,842 sq ft
5664 Greenridge Rd, Castro Valley, CA 91360
SOLD JUL 10, 2026
$1,548,000
E
4 beds3 baths2,292 sq ft
18775 E Cavendish Dr, Castro Valley, CA 94552
SOLD AUG 4, 2026
$1,795,000
F
4 beds2 baths1,901 sq ft
5842 Highwood Rd, Castro Valley, CA 94552

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Earn from this home

Sell

$408,287

Est. take-home

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Refinance

Est. cash available

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Rent

$4,871/mo

Redfin rental estimate

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Market trends in 94552, CA

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

103.0%

+1.2% MoM

Median sale price

$1.6M

$97K MoM

Avg. days on market

14d

1 days MoM

Recently sold homes

4 MoM

New listings for sale

EARLY ACCESS
$1,299,988
4 beds3 baths2,240 sq ft
22190 W Lyndon Loop, Castro Valley, CA 94552
OPEN TODAY, 1PM TO 4PM
$1,698,000
5 beds3 baths2,187 sq ft
5667 Greenridge Rd, Castro Valley, CA 94552
See all

Provided by Redfin

Redfin agents who toured

Very nicely done ADU, Good commute location
3 years ago• May not reflect the current state of the home
Gagan Singh
Redfin Premier agent

Sale history for 5275 Greenridge Rd

Date

Event

Price

bridgeMLS, Bay East AOR, or Contra Costa AOR #41046400

Mar 29, 2024

Sold

$1,770,000

$686/sq ft

Feb 23, 2024

Pending

—

Feb 6, 2024

Price Changed

$1,849,000

$717/sq ft

Jan 17, 2024

Listed

$1,999,000

$775/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #41039909

Dec 22, 2023

Listing Removed

—

Nov 11, 2023

Price Changed

Oct 5, 2023

Listed

bridgeMLS, Bay East AOR, or Contra Costa AOR #40513886

Aug 15, 2011

Sold

$505,000

$196/sq ft

May 4, 2011

Pending

—

Mar 31, 2011

Price Changed

$499,000

$193/sq ft

Mar 24, 2011

Price Changed

$529,000

$205/sq ft

Mar 14, 2011

Listed

$549,000

$213/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #40227296

Dec 28, 2006

Sold

$670,000

$260/sq ft

Dec 19, 2006

Listing Removed

—

Nov 28, 2006

Listed

$695,000

$269/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #40212501

Nov 28, 2006

Listing Removed

—

Nov 2, 2006

Price Changed

Oct 16, 2006

Price Changed

Sep 29, 2006

Listed

bridgeMLS, Bay East AOR, or Contra Costa AOR #40190899

Sep 25, 2006

Listing Removed

—

Jul 24, 2006

Listed

Year

Property tax

Land + Additions

Assessment*

2025

$22,912 (+52.3%)

$541,620 + $1,263,780

$1,805,400

2024

$15,042 (+1.7%)

$541,620 + $1,263,780

$1,805,400

2023

$14,788 (+60.3%)

$186,552 + $965,689

$1,152,241

2022

$9,226 (+21.5%)

$179,309 + $498,388

$677,697

2021

$7,592 (+2.3%)

$179,309 + $498,388

$677,697

2020

$7,417 (−1.8%)

$175,794 + $410,187

$585,981

2019

$7,551 (+2.9%)

$173,993 + $405,984

$579,977

2018

$7,336 (+2.7%)

$170,582 + $398,026

$568,608

2017

$7,143 (+5.1%)

$163,960 + $382,575

$546,535

2016

$6,796 (+7.0%)

$163,960 + $382,575

$546,535

2015

$6,351 (+1.2%)

$160,746 + $375,074

$535,820

2014

$6,273 (+0.8%)

$155,231 + $362,206

$517,437

2013

$6,224 (+2.1%)

$155,231 + $362,206

$517,437

2012

$6,098 (−15.3%)

$154,530 + $360,570

$515,100

2011

$7,203 (−2.5%)

$151,500 + $353,500

$505,000

2010

$7,385 (+3.2%)

$180,000 + $420,000

$600,000

2009

$7,154 (−11.5%)

$184,800 + $431,200

$616,000

2008

$8,084

$178,200 + $415,800

$594,000

Tax history for 5275 Greenridge Rd

Year

Property tax

Land + Additions

Assessment*

2025

$22,912 (+52.3%)

$541,620 + $1,263,780

$1,805,400

2024

$15,042 (+1.7%)

$541,620 + $1,263,780

$1,805,400

2023

$14,788 (+60.3%)

$186,552 + $965,689

$1,152,241

2022

$9,226 (+21.5%)

$179,309 + $498,388

$677,697

2021

$7,592 (+2.3%)

$179,309 + $498,388

$677,697

2020

$7,417 (−1.8%)

$175,794 + $410,187

$585,981

2019

$7,551 (+2.9%)

$173,993 + $405,984

$579,977

2018

$7,336 (+2.7%)

$170,582 + $398,026

$568,608

2017

$7,143 (+5.1%)

$163,960 + $382,575

$546,535

2016

$6,796 (+7.0%)

$163,960 + $382,575

$546,535

2015

$6,351 (+1.2%)

$160,746 + $375,074

$535,820

2014

$6,273 (+0.8%)

$155,231 + $362,206

$517,437

2013

$6,224 (+2.1%)

$155,231 + $362,206

$517,437

2012

$6,098 (−15.3%)

$154,530 + $360,570

$515,100

2011

$7,203 (−2.5%)

$151,500 + $353,500

$505,000

2010

$7,385 (+3.2%)

$180,000 + $420,000

$600,000

2009

$7,154 (−11.5%)

$184,800 + $431,200

$616,000

2008

$8,084

$178,200 + $415,800

$594,000

*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

0.33 Acres

Year renovated

1961

Sq. Ft.

2,579

Year built

1960

Style

Single Family Residential

County

Alameda County

APN

085 160201802

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 27, 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

Property details

Parking

Parking Information
Has Attached Garage
Garage Spaces: 2
Covered Spaces: 2
Parking Features: Attached, Int Access From Garage, Off Street, Side Yard Access, Workshop in Garage, Parking Lot, Garage Faces Front, Side By Side

Interior

Virtual Tour

Bathroom Information
# of Bathrooms Total: 3
# of Bathrooms Full: 3
ADU Baths Full: 1

Interior Features
Interior Features: Atrium, Dining Area, Family Room, Laminate Counters, Kitchen Island, Updated Kitchen
Appliances: Dishwasher, Electric Range, Disposal, Plumbed For Ice Maker, Range, Refrigerator, Dryer, Washer, Gas Water Heater, Tankless Water Heater
Laundry Features: Dryer, Washer, Cabinets, Electric, Inside
Street Level Features: 6+ Bedrooms, 3 Baths, Laundry Facility, No Steps to Entry, Main Entry
Window Features: Window Coverings
Fireplaces Total: 1
Has Fireplace
Flooring: Tile, Vinyl

Room Information
Kitchen Features: Counter - Laminate,Dishwasher,Electric Range/Cooktop,Garbage Disposal,Ice Maker Hookup,Island,Range/Oven Built-in,Refrigerator,Updated Kitchen
ADU Has Kitchen
Rooms Total: 12
Fireplace Features: Brick, Wood Burning

Exterior

Building Information
Construction Materials: Wood Siding
Building Area Total: 2,579
Builder Name: Eichler
Foundation Details: Slab

Exterior Features
Exterior Features: Side Yard, Entry Gate, Low Maintenance, Private Entrance

Pool Information
Pool Features: In Ground, Outdoor Pool
Has Private Pool

Property Information
Living Area: 2579
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1960
Has ADU

Lot Information
Other Structures: Guest House
Lot Size Square Feet: 14274
Lot Size Area: 0.33
Lot Size Units: Acres
Lot Size Acres: 0.33
Lot Features: 2 Houses / 1 Lot, Corner Lot, Premium Lot

Utilities

Green Features Information
Green Water Conservation: Low Flow Toilet
Green Energy Generation: Solar Power On Grid
Green Energy Efficient: Water Heater

Utility Information
Water Source: Public
Electric: Photovoltaics Seller Owned
Sewer: Public Sewer
Utilities: All Public Utilities

Heating & Cooling
Has Heating
Heating: Radiant

Location

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

Public facts

Beds: —
Baths: 3.0
Sq. Ft.: 2,579
Stories: 1.0
Lot Size: 0.33 acres
Style: Single Family Residential
Year Built: 1960
Year Renovated: 1961
County: Alameda County
APN: 085 160201802

Home facts updated by county records on Jul 27, 2026

Around this home

Schools

Independent Elementary School

Public K-5 • Assigned • 0.4mi

9/10

Canyon Middle School

Public 6-8 • Assigned • 0.3mi

7/10

Castro Valley High School

Public 9-12 • Assigned • 1.6mi

9/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Castro Valley's late-summer market shows a clear split. While median prices hold near $1.2M, increased inventory gives buyers leverage on older properties. However, immaculate homes still go pending in under 15 days. A strong, clean offer is key!
2 weeks ago • Castro Valley
Johnny Singh
Redfin Premier agent
146 deals
Was this helpful?
Strong buyer demand keeps the Castro Valley market moving incredibly fast. With homes frequently selling above their $1.2 million median price, decisive action is essential. To win here, buyers need to submit competitive offers quickly and minimize...
1 month ago • Castro Valley
Karan Kandel
Redfin agent
13 deals
Was this helpful?

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

3/10 Heat Factor

7 days above 90° 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 • 94552

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

$1.77M – $2.14M

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Home values near 5275 Greenridge Rd

Data from public records.

Address	Redfin Estimate
5305 Greenridge Road, Castro Valley, CA 4 Beds \| 2 Baths \| 1870 Sq. Ft.	$1,541,268
5293 Greenridge Road, Castro Valley, CA 4 Beds \| 2 Baths \| 1812 Sq. Ft.	$1,588,053

Address	Redfin Estimate
5310 Greenridge Road, Castro Valley, CA 4 Beds \| 2 Baths \| 1842 Sq. Ft.	$1,494,561
5306 Greenridge Road, Castro Valley, CA 4 Beds \| 2 Baths \| 1986 Sq. Ft.	$1,381,849

Address	Redfin Estimate
5281 Greenridge Road, Castro Valley, CA 4 Beds \| 2 Baths \| 1834 Sq. Ft.	$1,481,833
5317 San Simeon Place, Castro Valley, CA 3 Beds \| 3 Baths \| 1546 Sq. Ft.	$900,934

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2024. 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 94552, CA

Redfin agents who toured

Sale history for 5275 Greenridge Rd

Tax history for 5275 Greenridge 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 94552

Home values near 5275 Greenridge Rd

More real estate resources