21325 Rizzo Ave, Castro Valley, CA 94546

Off market sep 2000 for $292K

$798,620

Est. refi paymentEst. refi $1,998/mo

•

1,100

sq ft

21325 Rizzo Ave, Castro Valley, CA 94546

About this home

Single-familyProperty Type

1946Year Built

5,000 sq ftLot Size

$726Est. Price/Sq.Ft.

1 car garageParking

Listed by Billy Brumley • BEST REALTY SERVICE

Bought with Nicholas Ferreira •DRE #01166455 • COLDWELL BANKER

Redfin checked: 2 minutes ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #20033037

Redfin Estimate

$798,620

$507K since sold in September 2000$9,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 4.7% higher than the average sale price ($763K) of 6 comparable homes.

SOLD SEP 10, 2026
$749,888
A
2 beds1 bath1,018 sq ft
2293 Vestal Ave, Castro Valley, CA 94546
SOLD AUG 7, 2026
$850,000
B
2 beds1 bath1,018 sq ft
2107 Lessley Ave, Castro Valley, CA 94546
SOLD MAY 28, 2026
$745,000
C
2 beds1 bath1,192 sq ft
2329 Vestal Ave, Castro Valley, CA 94546
SOLD JUN 5, 2026
$738,000
D
2 beds1 bath825 sq ft
21146 Elm St, Castro Valley, CA 94546
SOLD OCT 23, 2025
$725,000
E
2 beds1 bath1,048 sq ft
21284 Tyee St, Castro Valley, CA 94546
SOLD APR 27, 2026
$768,000
F
3 beds1 bath871 sq ft
2226 Vegas Ave, Castro Valley, CA 94546

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$707,251

Est. take-home

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Refinance

Est. cash available

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Rent

$3,192/mo

Redfin rental estimate

List your home for rent

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

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OPEN SUN, 12PM TO 3PM
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3D WALKTHROUGH
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3D & VIDEO TOUR
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OPEN SAT, 2PM TO 4PM
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See all

Provided by Redfin

Sale history for 21325 Rizzo Ave

Date

Event

Price

bridgeMLS, Bay East AOR, or Contra Costa AOR #20033037

Sep 28, 2000

Sold

$292,000

$265/sq ft

Sep 12, 2000

Listing Removed

—

Sep 8, 2000

Listed

$279,950

$255/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #11065998

Sep 28, 2000

Sold

$292,000

$265/sq ft

Sep 12, 2000

Listing Removed

—

Sep 6, 2000

Listed

$279,950

$255/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$6,131 (+2.6%)

$134,628 + $314,134

$448,762

2024

$5,975 (+2.0%)

$131,989 + $307,975

$439,964

2023

$5,858 (+2.4%)

$129,401 + $301,937

$431,338

2022

$5,720 (+1.2%)

$124,377 + $290,215

$414,592

2021

$5,653 (+1.4%)

$124,377 + $290,215

$414,592

2020

$5,576 (−0.7%)

$121,939 + $284,524

$406,463

2019

$5,615 (+6.3%)

$120,689 + $281,608

$402,297

2018

$5,280 (+2.6%)

$118,323 + $276,087

$394,410

2017

$5,148 (+6.1%)

$113,729 + $265,368

$379,097

2016

$4,853 (+2.7%)

$113,729 + $265,368

$379,097

2015

$4,724 (+5.7%)

$111,499 + $260,166

$371,665

2014

$4,469 (+1.3%)

$107,675 + $251,242

$358,917

2013

$4,412 (+2.2%)

$107,675 + $251,242

$358,917

2012

$4,318 (+1.8%)

$107,189 + $250,107

$357,296

2011

$4,242 (+2.2%)

$105,087 + $245,204

$350,291

2010

$4,150 (−1.3%)

$103,027 + $240,396

$343,423

2009

$4,205 (+4.1%)

$102,258 + $238,602

$340,860

2008

$4,040

$102,501 + $239,170

$341,671

Tax history for 21325 Rizzo Ave

Year

Property tax

Land + Additions

Assessment*

2025

$6,131 (+2.6%)

$134,628 + $314,134

$448,762

2024

$5,975 (+2.0%)

$131,989 + $307,975

$439,964

2023

$5,858 (+2.4%)

$129,401 + $301,937

$431,338

2022

$5,720 (+1.2%)

$124,377 + $290,215

$414,592

2021

$5,653 (+1.4%)

$124,377 + $290,215

$414,592

2020

$5,576 (−0.7%)

$121,939 + $284,524

$406,463

2019

$5,615 (+6.3%)

$120,689 + $281,608

$402,297

2018

$5,280 (+2.6%)

$118,323 + $276,087

$394,410

2017

$5,148 (+6.1%)

$113,729 + $265,368

$379,097

2016

$4,853 (+2.7%)

$113,729 + $265,368

$379,097

2015

$4,724 (+5.7%)

$111,499 + $260,166

$371,665

2014

$4,469 (+1.3%)

$107,675 + $251,242

$358,917

2013

$4,412 (+2.2%)

$107,675 + $251,242

$358,917

2012

$4,318 (+1.8%)

$107,189 + $250,107

$357,296

2011

$4,242 (+2.2%)

$105,087 + $245,204

$350,291

2010

$4,150 (−1.3%)

$103,027 + $240,396

$343,423

2009

$4,205 (+4.1%)

$102,258 + $238,602

$340,860

2008

$4,040

$102,501 + $239,170

$341,671

*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

5,000 Sq. Ft.

Year renovated

1946

Sq. Ft.

1,100

Year built

1946

Style

Single Family Residential

County

Alameda County

APN

415 006005300

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 16, 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: 1
Covered Spaces: 1
Parking Features: Attached, Workshop in Garage

Interior

Bathroom Information
# of Bathrooms Total: 1
# of Bathrooms Full: 1
Other Bathrooms Included Features: Shower Over Tub, Stall Shower, Tile, Updated Baths

Interior Features
Interior Features: Bonus/Plus Room, Formal Dining Room, Workshop, Laminate Counters, Updated Kitchen
Appliances: Dishwasher, Disposal, Free-Standing Range, Refrigerator, Gas Water Heater
Laundry Features: 220 Volt Outlet, Dryer, In Garage, Washer
Street Level Features: 2 Bedrooms, 1 Bath, No Steps to Entry
Fireplaces Total: 1
Has Fireplace
Flooring: Hardwood Flrs Throughout, Linoleum, Tile

Room Information
Kitchen Features: Counter - Laminate,Dishwasher,Garbage Disposal,Range/Oven Free Standing,Refrigerator,Updated Kitchen,Other
Rooms Total: 5
Fireplace Features: Brick, Living Room, Wood Burning
Basement: Crawl Space

Exterior

Building Information
Construction Materials: Composition Shingles
Building Area Total: 1,100

Exterior Features
Exterior Features: Back Yard, Front Yard, Garden/Play, Sprinklers Front
Fencing: Fenced
Roof: Shingle

Property Information
Living Area: 1100
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1946

Lot Information
Other Structures: Shed(s)
Lot Size Square Feet: 5000
Lot Size Area: 0.11
Lot Size Units: Acres
Lot Size Acres: 0.11
Lot Features: Regular

Utilities

Utility Information
Water Source: Public
Sewer: Public Sewer

Heating & Cooling
Has Heating
Heating: Floor Furnace, Natural Gas
Cooling: Ceiling Fan(s), Wall/Window Unit(s)

Location

School Information
High School District: Hayward (510) 784-2600

Public facts

Beds: 3
Baths: 1.0
Sq. Ft.: 1,100
Stories: 1.0
Lot Size: 5,000 square feet
Style: Single Family Residential
Year Built: 1946
Year Renovated: 1946
County: Alameda County
APN: 415 006005300

Home facts updated by county records on Sep 16, 2026

Around this home

Schools

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

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...
3 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

Estimated sale price

$759,000 – $919,000

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Home values near 21325 Rizzo Ave

Data from public records.

Address	Redfin Estimate
21348 Rizzo Ave, Castro Valley, CA 2 Beds \| 1 Baths \| 1100 Sq. Ft.	$829,537
21319 Rizzo Ave, Castro Valley, CA 3 Beds \| 1 Baths \| 1100 Sq. Ft.	$822,001

Address	Redfin Estimate
21342 Rizzo Ave, Castro Valley, CA 2 Beds \| 1 Baths \| 1100 Sq. Ft.	$764,496
21337 Rizzo Ave, Castro Valley, CA 3 Beds \| 1 Baths \| 1100 Sq. Ft.	$899,408

Address	Redfin Estimate
21331 Rizzo Ave, Castro Valley, CA 3 Beds \| 2 Baths \| 2224 Sq. Ft.	$1,093,126
21367 Rizzo Ave, Castro Valley, CA 3 Beds \| 1 Baths \| 1245 Sq. Ft.	$883,375

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2000. 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 94546, CA

Sale history for 21325 Rizzo Ave

Tax history for 21325 Rizzo Ave

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 94546

Home values near 21325 Rizzo Ave

More real estate resources