21470 S Rizzo Ave, Castro Valley, CA 94546

Off Market Feb 2004 for $385K

$851,598

Est. refi paymentEst. refi $2,501/mo

•

1,050

sq ft

21470 S Rizzo Ave, Castro Valley, CA 94546

About this home

Single-familyProperty Type

1958Year Built

3,807 sq ftLot Size

$811Est. Price/Sq.Ft.

Listed by Carol Garcia •DRE #01020745 • RE/MAX Accord

Bought with Andrew Chan • UNKNOWN

Redfin checked: a minute ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #11217367

Redfin Estimate

$851,598

$467K since sold in February 2004$1,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 3% lower than the average sale price ($878K) of 6 comparable homes.

SOLD JUL 20, 2026
$1,045,000
A
3 beds2 baths1,314 sq ft
3228 Kerr St, Castro Valley, CA 94546
SOLD FEB 20, 2026
$800,000
B
3 beds2 baths1,018 sq ft
2270 Vestal Ave, Castro Valley, CA 94546
SOLD APR 1, 2026
$910,000
C
3 beds2 baths1,185 sq ft
21330 Tyee St, Castro Valley, CA 94546
SOLD AUG 28, 2026
$940,000
D
3 beds2 baths1,262 sq ft
2337 Bentley Ct, Castro Valley, CA 94546
SOLD JUL 28, 2026
$844,500
E
3 beds2 baths1,586 sq ft
2305 Star Ave, Hayward, CA 94546
SOLD APR 30, 2026
$730,000
F
3 beds1.5 baths1,109 sq ft
2272 Kelly St, Hayward, CA 94541

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

Earn from this home

Sell

$693,485

Est. take-home

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Refinance

Est. cash available

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Rent

$3,362/mo

Redfin rental estimate

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Market trends in 94546, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

103.9%

1.3% MoM

Median sale price

$1.1M

$70K MoM

Avg. days on market

14d

1 days MoM

Recently sold homes

3 MoM

New listings for sale

OPEN SUN, 11:30AM TO 1:30PM
$899,950
3 beds2 baths1,282 sq ft
21905 Betlen Way, Castro Valley, CA 94546
OPEN SAT, 1PM TO 4PM
$799,000
2 beds1 bath1,188 sq ft
2220 Farley St, Castro Valley, CA 94546
OPEN SAT, 2PM TO 4PM
$849,000
3 beds1 bath1,245 sq ft
21367 Rizzo Ave, Castro Valley, CA 94546
OPEN SAT, 1PM TO 4PM
$1,225,000
4 beds2.5 baths2,440 sq ft
4561 Edwards Ln, Castro Valley, CA 94546
COMING SOON
$878,000
3 beds1 bath1,092 sq ft
19656 San Miguel Ave, Castro Valley, CA 94546
OPEN SUN, 1PM TO 4:30PM
$1,075,000
3 beds2 baths1,740 sq ft
19026 Center St, Castro Valley, CA 94546
COMING SOON
$599,950
2 beds2.5 baths866 sq ft
20115 Redwood Rd #15, Castro Valley, CA 94546
$1,550,000
3 beds1.5 baths1,851 sq ft
4618 Ewing Rd, Castro Valley, CA 94546
COMING SOON
$975,000
3 beds1.5 baths1,311 sq ft
4848 Mancini Dr, Castro Valley, CA 94546
$699,000
2 beds1 bath1,079 sq ft
18473 Apricot Way, Castro Valley, CA 94546
See all

Provided by Redfin

Sale history for 21470 S Rizzo Ave

Date

Event

Price

bridgeMLS, Bay East AOR, or Contra Costa AOR #11217367

Feb 27, 2004

Sold

$385,000

$367/sq ft

Jan 19, 2004

Listing Removed

—

Jan 12, 2004

Listed

$368,000

$350/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #29029854

Oct 15, 1999

Sold

$237,000

$226/sq ft

Sep 9, 1999

Listing Removed

—

Sep 3, 1999

Listed

$224,950

$214/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #11028665

Oct 18, 1999

Sold

$227,000

$216/sq ft

Sep 9, 1999

Listing Removed

—

Sep 2, 1999

Listed

$224,950

$214/sq ft

Public Records

Dec 4, 1998

Sold

$185,909

$177/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #10521362

Dec 5, 1998

Sold

$185,297

$176/sq ft

Oct 13, 1998

Listed

$185,297

$176/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #28521362

Dec 4, 1998

Sold

$185,297

$176/sq ft

Nov 5, 1998

Listing Removed

—

Oct 13, 1998

Listed

$186,000

$177/sq ft

Public Records

Nov 7, 1988

Sold

$138,000

$131/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$7,407 (+2.6%)

$164,207 + $383,150

$547,357

2024

$7,222 (+1.9%)

$164,207 + $383,150

$547,357

2023

$7,086 (+2.3%)

$160,988 + $375,639

$536,627

2022

$6,923 (+1.1%)

$154,737 + $361,054

$515,791

2021

$6,846 (+1.3%)

$154,737 + $361,054

$515,791

2020

$6,756 (−0.7%)

$151,704 + $353,977

$505,681

2019

$6,805 (+6.4%)

$150,150 + $350,350

$500,500

2018

$6,393 (+2.5%)

$147,205 + $343,480

$490,685

2017

$6,234 (+6.0%)

$141,489 + $330,142

$471,631

2016

$5,881 (+15.2%)

$141,489 + $330,142

$471,631

2015

$5,106 (+11.3%)

$138,715 + $323,669

$462,384

2014

$4,589 (+19.4%)

$111,000 + $259,000

$370,000

2013

$3,844 (+9.8%)

$111,000 + $259,000

$370,000

2012

$3,500 (+0.4%)

$91,500 + $213,500

$305,000

2011

$3,485 (−3.1%)

$82,500 + $192,500

$275,000

2010

$3,596 (−2.5%)

$82,500 + $192,500

$275,000

2009

$3,689 (−25.3%)

$87,000 + $203,000

$290,000

2008

$4,937

$88,500 + $206,500

$295,000

Tax history for 21470 S Rizzo Ave

Year

Property tax

Land + Additions

Assessment*

2025

$7,407 (+2.6%)

$164,207 + $383,150

$547,357

2024

$7,222 (+1.9%)

$164,207 + $383,150

$547,357

2023

$7,086 (+2.3%)

$160,988 + $375,639

$536,627

2022

$6,923 (+1.1%)

$154,737 + $361,054

$515,791

2021

$6,846 (+1.3%)

$154,737 + $361,054

$515,791

2020

$6,756 (−0.7%)

$151,704 + $353,977

$505,681

2019

$6,805 (+6.4%)

$150,150 + $350,350

$500,500

2018

$6,393 (+2.5%)

$147,205 + $343,480

$490,685

2017

$6,234 (+6.0%)

$141,489 + $330,142

$471,631

2016

$5,881 (+15.2%)

$141,489 + $330,142

$471,631

2015

$5,106 (+11.3%)

$138,715 + $323,669

$462,384

2014

$4,589 (+19.4%)

$111,000 + $259,000

$370,000

2013

$3,844 (+9.8%)

$111,000 + $259,000

$370,000

2012

$3,500 (+0.4%)

$91,500 + $213,500

$305,000

2011

$3,485 (−3.1%)

$82,500 + $192,500

$275,000

2010

$3,596 (−2.5%)

$82,500 + $192,500

$275,000

2009

$3,689 (−25.3%)

$87,000 + $203,000

$290,000

2008

$4,937

$88,500 + $206,500

$295,000

*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

3,807 Sq. Ft.

Year renovated

1959

Sq. Ft.

1,072

Year built

1958

Style

Single Family Residential

County

Alameda County

APN

415 006003000

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

Jun 24, 2024 • Final

Building

Remove and replace windows with new windows of the same size and style.

Remodel

Sep 4, 2018 • Final

Building

Tear off existing wood shake roofing and install new OSB and lifetime composition shingles.

Roofing

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

Bathroom Information
# of Bathrooms Total: 2
# of Bathrooms Full: 2
Other Bathrooms Included Features: Tub

Interior Features
Interior Features: Dining Area
Appliances: Dishwasher, Electric Range, Range
Laundry Features: Laundry Room
Street Level Features: 3 Bedrooms, 2 Baths
Window Features: Window Coverings
Fireplaces Total: 1
Has Fireplace
Flooring: Laminate

Room Information
Kitchen Features: Dishwasher,Electric Range/Cooktop,Range/Oven Built-in
Rooms Total: 6
Fireplace Features: Living Room

Exterior

Building Information
Construction Materials: Stucco
Building Area Total: 1,050

Exterior Features
Patio And Porch Features: Deck
Roof: Shake

Property Information
Living Area: 1050
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1958

Lot Information
Lot Size Square Feet: 3807
Lot Size Area: 0.08
Lot Size Units: Acres
Lot Size Acres: 0.08
Lot Features: Regular

Utilities

Utility Information
Water Source: Public
Sewer: Public Sewer

Heating & Cooling
Has Heating
Heating: Gravity
Cooling: Central Air

Location

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

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,072
Stories: 1.0
Lot Size: 3,807 square feet
Style: Single Family Residential
Year Built: 1958
Year Renovated: 1959
County: Alameda County
APN: 415 006003000

Home facts updated by county records on Jul 27, 2026

Around this home

Schools

Fairview Elementary School

Public K-6 • Assigned • 1.6mi

2/10

Bret Harte Middle School

Public 7-8 • Assigned • 1.3mi

4/10

Hayward High School

Public 9-12 • Assigned • 1.3mi

5/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

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

Estimated sale price

$810,000 – $980,000

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New listings for sale in 94546

OPEN SUN, 11:30AM TO 1:30PM

$899,950

3 beds2 baths1,282 sq ft

21905 Betlen Way, Castro Valley, CA 94546

OPEN SAT, 1PM TO 4PMVIDEO TOUR

$799,000

2 beds1 bath1,188 sq ft

2220 Farley St, Castro Valley, CA 94546

OPEN SAT, 2PM TO 4PM

$849,000

3 beds1 bath1,245 sq ft

21367 Rizzo Ave, Castro Valley, CA 94546

OPEN SAT, 1PM TO 4PM

$1,225,000

4 beds2.5 baths2,440 sq ft

4561 Edwards Ln, Castro Valley, CA 94546

COMING SOON

$878,000

3 beds1 bath1,092 sq ft

19656 San Miguel Ave, Castro Valley, CA 94546

OPEN SUN, 1PM TO 4:30PM

$1,075,000

3 beds2 baths1,740 sq ft

19026 Center St, Castro Valley, CA 94546

COMING SOON

$599,950

2 beds2.5 baths866 sq ft

20115 Redwood Rd #15, Castro Valley, CA 94546

$1,550,000

3 beds1.5 baths1,851 sq ft

4618 Ewing Rd, Castro Valley, CA 94546

COMING SOON

$975,000

3 beds1.5 baths1,311 sq ft

4848 Mancini Dr, Castro Valley, CA 94546

Home values near 21470 S Rizzo Ave

Data from public records.

Address	Redfin Estimate
21446 Rizzo Ave, Castro Valley, CA 3 Beds \| 2 Baths \| 1552 Sq. Ft.	$915,230
21475 Rizzo Ave, Castro Valley, CA 2 Beds \| 1 Baths \| 1146 Sq. Ft.	$999,867

Address	Redfin Estimate
21452 Rizzo Ave, Castro Valley, CA 3 Beds \| 1 Baths \| 1104 Sq. Ft.	$898,037
21487 Rizzo Ave, Castro Valley, CA 3 Beds \| 1 Baths \| 1118 Sq. Ft.	$773,578

Address	Redfin Estimate
21445 Rizzo Ave, Castro Valley, CA 2 Beds \| 1 Baths \| 1356 Sq. Ft.	$845,183
21469 Rizzo Ave, Castro Valley, CA 2 Beds \| 1 Baths \| 834 Sq. Ft.	$777,775

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2004. 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 21470 S Rizzo Ave

Tax history for 21470 S 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 21470 S Rizzo Ave

More real estate resources