Google street view image for 22447 Ruby St, Castro Valley, CA 94546

Off market

—

188

•

72 ba

•

80,884

sq ft

22447 Ruby St, Castro Valley, CA 94546

About this home

22447 Ruby St is a 80,884 square foot property on a 2.95 acre lot with 188 bedrooms and 72 bathrooms.

2025Year Built

2.95 acresLot Size

Source:Public Records

Redfin Estimate

Unfortunately, we don't have enough data to generate an accurate Estimate at this time.

Market trends in 94546, CA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

103.4%

0.6% MoM

Median sale price

$1.1M

$823 MoM

Avg. days on market

18d

3 days MoM

Recently sold homes

7 MoM

New listings for sale

OPEN TODAY, 3PM TO 5PM
$1,175,000
3 beds2 baths1,795 sq ft
19563 Helen Pl, Castro Valley, CA 94546
$1,200,000
4 beds3 baths1,897 sq ft
18153 Judy St, Castro Valley, CA 94546
OPEN SAT, 1PM TO 4PM
$799,888
3 beds1 bath988 sq ft
2240 Lessley Ave, Castro Valley, CA 94546
$499,000
3 beds2 baths1,354 sq ft
21314 Gary Dr #108, Hayward, CA 94546
$1,498,000
4 beds3 baths3,275 sq ft
19912 Conrad Ct, Castro Valley, CA 94546
OPEN SUN, 1PM TO 4PM
$1,198,000
4 beds2.5 baths2,038 sq ft
3636 Arcadian Dr, Castro Valley, CA 94546
$848,888
3 beds1 bath1,288 sq ft
21968 Orange Ave, Castro Valley, CA 94546
EARLY ACCESS
$550,000
2 beds2 baths1,393 sq ft
21239 Gary Dr #206, Hayward, CA 94546
$429,000
2 beds2 baths899 sq ft
2505 Miramar Ave #114, Castro Valley, CA 94546
COMING SOON
5032 Vannoy Ave, Castro Valley, CA 94546
$1,250,000
4 beds2 baths1,860 sq ft
5032 Vannoy Ave, Castro Valley, CA 94546
See all

Provided by Redfin

Sale history for 22447 Ruby St

Tax history for 22447 Ruby St

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning and permits

Zoning
Permits

Suburban Residence Districts

Suburban residence districts, hereinafter designated as R-S districts, are established to regulate and control the development in appropriate areas of relatively large building sites at various densities in harmony with the character of existing or proposed development in the neighborhood, and to assure the provision of light, air and privacy, and the maintenance of usable open space in amounts appropriate to the specific types and numbers of dwellings permitted. Adherence to a specified site development review plan is required for the disposition of buildings, the relationship between living areas and those needed for vehicular access, circulation and parking in order to assure the optimum utilization of the building site.

Permitted uses

Include but are not limited to:

Agriculture-Other
Housing-Group
Housing-Single unit
Housing-Multiple units
Housing-Senior
Agriculture-Cropland
Agriculture-Grove / orchard / vineyard

Apr 5, 2026 • Final

Building

Install an outdoor fitness area along an existing walking path.

Grading

Apr 3, 2025 • Final

Building

Construct a four-story multifamily residential building with seventy-two dwelling units. The project includes community rooms, management offices, bike storage, two parking lots, and a rooftop solar photovoltaic system. Site improvements include new sidewalks and accessible ramps.

New construction

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

Interior

Room Information
# of Rooms: 192

Exterior

Exterior Information
Construction Type: Wood
Building Construction Quality: Good

Property Information
Subdivision Name: LORENZO CRK
Living Sq. Ft: 80,884
Building Sq. Ft: 80,884
# of Units: 72
# of Stories: 4

Lot Information
# of Buildings: 1
Land Sq. Ft: 128,576
Legal Lot Number: 11-14
Legal Block Number: M
Municipality Name: HAYWARD UNINCORP
Acres: 2.9517
County Use Description: RESTRICTED RESIDENTIAL INCOME

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 188
Baths: 72.0
Sq. Ft.: 80,884
Stories: 4.0
Lot Size: 2.95 acres
Style: Other
Year Built: 2025
Year Renovated: 2025
County: Alameda County
APN: 415 023008100

Home facts updated by county records on Sep 16, 2026

Around this home

Schools

Fairview Elementary School

Public K-6 • Assigned • 1.4mi

2/10

Bret Harte Middle School

Public 7-8 • Assigned • 0.8mi

4/10

Hayward High School

Public 9-12 • Assigned • 0.8mi

5/10

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...
2 weeks 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

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

4/10 Heat Factor

7 days above 88° 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 • 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

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Home values near 22447 Ruby St

Data from public records.

Address	Redfin Estimate
22426 Ruby St, Castro Valley, CA 2 Beds \| 1 Baths \| 812 Sq. Ft.	$652,576
22434 Ruby St, Castro Valley, CA 3 Beds \| 1.5 Baths \| 1270 Sq. Ft.	$854,934

Address	Redfin Estimate
22442 Ruby St, Castro Valley, CA 6 Beds \| 3 Baths \| 2320 Sq. Ft.	$1,008,848
22474 Ruby St, Castro Valley, CA 1 Beds \| 1 Baths \| 602 Sq. Ft.	$630,551

Address	Redfin Estimate
22490 Ruby St, Castro Valley, CA 2 Beds \| 1 Baths \| 1104 Sq. Ft.	$721,970
22431 Ruby St, Castro Valley, CA 2 Beds \| 1 Baths \| 777 Sq. Ft.	$691,354

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GreatSchools Ratings provided by GreatSchools.org.

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