For sale

$849,000

Est. $5,488/mo —

•

1,245

sq ft

21367 Rizzo Ave, Castro Valley, CA 94546

About this home

Close to the heart of Castro Valley but tucked along a quieter stretch of Rizzo Avenue, this 3-bedroom, 1-bath home offers a great mix of convenience, space and privacy. Inside, you’ll find an updated kitchen and bathroom, dual-pane windows, great natural light and an attached workspace. Solar and EV charging are already in place. The lot is one of the home’s best features, with a large front yard, backyard and side yard, giving you plenty of room to garden, entertain or create something of your own. The side yard opens for vehicle access and offer space for a carport. There may also be potential for an ADU in the front while keeping the backyard intact. Walk to downtown shops, restaurants, the farmers market and local events, with BART and freeway access nearby. Easily one of the cutest homes in the neighborhood! SEE IT THIS WEEKEND SATURDAY AND SUNDAY 2-4PM

Single-familyProperty Type

1946Year Built

6,300 sq ftLot Size

$682Price/Sq.Ft.

Listed by Ladonna Azagra •DRE #01899394 • Compass

Listed by Carlos Ramirez •DRE #01781308 • Compass

Listing updated: Sep 8, 2026 at 07:19pm

Redfin checked: 3 minutes ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #41147368

Payment calculator

$5,488 per month

Principal and interest$4,462

Property taxes

$884

HOA dues

Home insurance

$142

Utilities

Add

5 minutes to get started. No credit impact.

Mortgage resources

See this home in person

Open houses

No upcoming open houses.

Nearby open houses (10)

OPEN FRI, 2:30PM TO 4:30PM
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OPEN FRI, 5PM TO 7PM
$1,150,000
3 beds2.5 baths1,668 sq ft
38251 Eggers Cmn, Fremont, CA 94536
REDFIN OPEN SAT, 11AM TO 2PM3D WALKTHROUGH
$850,000
2 beds2.5 baths1,200 sq ft
4038 Central Ave #300, Fremont, CA 94536
REDFIN OPEN SAT, 1PM TO 4PM3D & VIDEO TOUR
$1,888,000
4 beds2.5 baths2,052 sq ft
33455 Caliban Dr, Fremont, CA 94555
OPEN SAT, 1PM TO 4PM
$899,000
3 beds2 baths2,137 sq ft
5327 Brann St, Oakland, CA 94619
OPEN SAT, 1PM TO 4PM
$1,850,000
4 beds2 baths1,770 sq ft
1760 Saint Helena Dr, Danville, CA 94526
OPEN SAT, 1PM TO 4PM3D & VIDEO TOUR
$1,050,000
2 beds2.5 baths1,317 sq ft
3423 Ellery Cmn, Fremont, CA 94538
REDFIN OPEN SAT, 2PM TO 4:30PM3D WALKTHROUGH
$1,249,000
4 beds2.5 baths2,036 sq ft
1620 Lincoln Ave, Alameda, CA 94501
OPEN SAT, 2PM TO 4:30PM
$890,000
2 beds2.5 baths1,178 sq ft
38978 Sailfish Cmn, Fremont, CA 94536
OPEN SAT, 2PM TO 4PM
$569,000
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Around this home

Schools

K - 12
Preschool & daycare

Fairview Elementary School

Public K-6 • Assigned • 1.7mi

2/10

Bret Harte Middle School

Public 7-8 • Assigned • 1.4mi

4/10

Hayward High School

Public 9-12 • Assigned • 1.5mi

5/10

Provided by GreatSchools

About

South

South, located between Lake Chabot Regional Park and the Castro Valley BART station, is a residential and hillside Castro Valley neighborhood with winding streets and bay-facing views. The neighborhood’s character concentrates around the Castro Valley Boulevard and Redwood Road junction, where independent cafes, taquerias, and small storefronts set a steady, local rhythm. Architectural lines lean mid-century ranches and split-level homes, with pockets of newer infill along busier corridors. Lake Chabot’s trails and shoreline pull daily routines outdoors, while the BART station anchors commutes toward Oakland and San Francisco. Community touchstones include the Chabot Cinema, the Castro Valley Marketplace, and the Castro Valley Arts Foundation’s gallery and events. Terrain shifts from flatter blocks near the boulevard to steeper, tree-lined slopes toward the park.

Provided by Walk Score and Local Logic

Market insights

21367 Rizzo Ave · $849,000

DAYS ON MARKET

The average home goes pending in 19 days.

SALE-TO-LIST

Most homes are selling 8% above list price.

LIST PRICE

Median sale price in this area is $1,268,994. (49% higher than this home)

PRICE DROP

15% of homes in this area have had a price drop in the past month.

Property details

Interior
Exterior
Finance

Kitchen

Bathroom

Bedroom

Living

Interior features
Workshop
Breakfast nook
Accessible full bathroom
Accessible kitchen
Crawl space
Wood-burning fireplace in the living room

Bedrooms
3 bedrooms (street level)

Bathrooms
1 full bathroom
Shower over tub
Tile finishes
Updated bath
Closet in primary bath
Window in primary bath

Kitchen
Stone counters
Eat-in kitchen with breakfast nook
Free-standing range
Dishwasher
Refrigerator

Laundry & utility
Washer
Dryer
Washer and dryer located in garage
220-volt outlet
Gas water heater

Flooring
Hardwood floors throughout
Tile flooring

Heating & cooling
Gravity heating
Central air conditioning

Sale and tax history for 21367 Rizzo Ave

Sale History
Tax History

Date

Event

Price

bridgeMLS, Bay East AOR, or Contra Costa AOR #41147368

Sep 8, 2026

Listed

$849,000

$682/sq ft

Sep 7, 2026

Coming Soon

$849,000

$682/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #40956836

Sep 10, 2021

Sold

$850,000

$683/sq ft

Aug 11, 2021

Pending

—

Jul 1, 2021

Listed

$849,950

$683/sq ft

+35

From the moment you step onto the wisteria-covered front deck and into this lovely one-level home, you'll experience the true quality of pride of ownership. Multiple updates and upgrades include a completely remodeled chef's kitchen in 2018 with high-end stainless appliances, upgraded electrical, newer HVAC system, double pane windows, new water heater, sump pump, and original red oak hardwood floors throughout. Extra large lot professionally landscaped ($35k) with mature trees providing lots of natural shade. Stunning backyard garden oasis with dramatic lighting, pergola with grapevines, gorgeous flora; ideal for relaxation and entertaining! The extra-wide driveway provides plenty of off-street parking, including dual side access. And all of this is within walking distance to BART and Trader Joes!

Public Records

Feb 14, 2002

Sold

$311,000

$250/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #11121899

Feb 16, 2002

Sold

$329,950

$265/sq ft

Jan 16, 2002

Listing Removed

—

Nov 30, 2001

Listed

$329,950

$265/sq ft

Public Records

Jun 11, 1992

Sold

$184,000

$148/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$11,705 (+2.5%)

$270,606 + $631,414

$902,020

2024

$11,423 (+1.8%)

$270,606 + $631,414

$902,020

2023

$11,223 (+2.2%)

$265,302 + $619,038

$884,340

2022

$10,979 (+84.2%)

$255,000 + $595,000

$850,000

2021

$5,962 (+1.4%)

$255,000 + $595,000

$850,000

2020

$5,882 (−0.7%)

$127,328 + $304,871

$432,199

2019

$5,923 (+6.4%)

$126,023 + $301,746

$427,769

2018

$5,569 (+2.6%)

$123,552 + $295,830

$419,382

2017

$5,430 (+6.1%)

$118,755 + $284,346

$403,101

2016

$5,120 (+4.4%)

$118,755 + $284,346

$403,101

2015

$4,906 (+5.7%)

$116,428 + $278,772

$395,200

2014

$4,641 (+8.5%)

$112,433 + $262,345

$374,778

2013

$4,278 (+8.7%)

$112,433 + $262,345

$374,778

2012

$3,935 (+4.6%)

$103,500 + $241,500

$345,000

2011

$3,761 (−7.9%)

$94,500 + $220,500

$315,000

2010

$4,086 (−0.8%)

$90,000 + $210,000

$300,000

2009

$4,120 (−1.9%)

$100,500 + $234,500

$335,000

2008

$4,202

$100,200 + $233,800

$334,000

Public record

Public record
Zoning
Permits

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

6,300 Sq. Ft.

Year renovated

1960

Finished Sq. Ft.

1,245

Unfinished Sq. Ft.

—

Total Sq. Ft.

1,245

Year built

1946

Style

Single Family Residential

County

Alameda County

APN

415 006005800

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

May 25, 2023 • Final

Building

Install a roof-mounted solar photovoltaic system on a residential building.

Battery

Electrical

Solar

May 25, 2023 • Final

Building

Install a new electric vehicle charger.

Electrical

Ev charger

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.

Local insights from Redfin agents

Castro Valley is moving at a brisk pace this summer! Median prices are holding steady around $1.2M, but well-priced, turnkey homes are flying off the market in under 15 days, often over asking. Inventory is moving fast, so buyers must come prepared...
1 week 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...
2 months 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

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

Redfin Estimate for 21367 Rizzo Ave

$903,341

$54K over list price of $849K

Nearby comparable homes

The Redfin Estimate uses 6 recent nearby sales, priced between $745K to $1.0M.

SOLD JUL 28, 2026
$844,500 Last sold price
3 beds2 baths1,586 sq ft
2305 Star Ave, Hayward, CA 94546
$150/sq ft
smaller lot
1 year newer
SOLD JUL 20, 2026
$1,045,000 Last sold price
3 beds2 baths1,314 sq ft
3228 Kerr St, Castro Valley, CA 94546
$113/sq ft
smaller lot
10 years newer
SOLD MAR 25, 2026
$860,000 Last sold price
3 beds1.5 baths1,186 sq ft
1828 Riverbank Ave, Castro Valley, CA 94546
$43/sq ft
smaller lot
1 year newer
SOLD MAR 13, 2026
$778,000 Last sold price
3 beds2 baths1,293 sq ft
21259 Hobert St, Castro Valley, CA 94546
$80/sq ft
smaller lot
1 year newer
SOLD JUL 17, 2026
$900,000 Last sold price
3 beds2 baths1,319 sq ft
20556 Forest Ave, Castro Valley, CA 94546
smaller lot
14 years older
SOLD MAR 19, 2026
$745,000 Last sold price
2 beds1 bath1,272 sq ft
22079 Queen St, Castro Valley, CA 94546
$96/sq ft
1 year newer

Rental earnings

Est. $3,329 per month, based on comparable rentals

Tour for free, no strings attached

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(510) 661-3577

Early Access listings

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3D WALKTHROUGH

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New listings for sale in 94546

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21367 Rizzo Ave, Castro Valley, CA 94546

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Details provided by bridgeMLS, Bay East AOR, or Contra Costa AOR and may not match the public record. Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Payment calculator

Mortgage resources

See this home in person

Nearby open houses (10)

Around this home

Schools

Market insights

Property details

Sale and tax history for 21367 Rizzo Ave

Public record

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Redfin Estimate for 21367 Rizzo Ave

Early Access listings

Nearby similar homes

New listings for sale in 94546

More real estate resources