Google street view image for 21470 Rizzo Ave, Castro Valley, CA 94546

Off market feb 2004 for $385K

$799,226

Est. refi paymentEst. refi $2,579/mo

•

2 ba

•

1,072

sq ft

21470 Rizzo Ave, Castro Valley, CA 94546

About this home

21470 Rizzo Ave is a 1,072 square foot house on a 3,807 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on February 27, 2004 for $385,000. Based on Redfin's Castro Valley data, we estimate the home's value is $799,226.

Single-familyProperty Type

1958Year Built

3,807 sq ftLot Size

$746Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$799,226

$414K since sold in February 2004$1,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 17.3% lower than the average sale price ($966K) of 6 comparable homes.

SOLD SEP 24, 2026
$925,000
A
3 beds2 baths1,539 sq ft
20927 Nunes Ave, Castro Valley, CA 94546
SOLD JUL 20, 2026
$1,045,000
B
3 beds2 baths1,314 sq ft
3228 Kerr St, Castro Valley, CA 94546
SOLD FEB 20, 2026
$800,000
C
3 beds2 baths1,018 sq ft
2270 Vestal Ave, 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 APR 1, 2026
$910,000
E
3 beds2 baths1,185 sq ft
21330 Tyee St, Castro Valley, CA 94546
BOUGHT WITH REDFIN SEP 30, 2026
$1,175,000
F
3 beds2 baths1,440 sq ft
19453 Vaughn Ave, Castro Valley, CA 94546
Pacific Home Brokers

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Earn from this home

Sell

$645,826

Est. take-home

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Refinance

Est. cash available

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Rent

$3,371/mo

Redfin rental estimate

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Market trends in 94546, CA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

104.0%

+0.6% MoM

Median sale price

$1.1M

$564 MoM

Avg. days on market

29d

10 days MoM

Recently sold homes

1 MoM

New listings for sale

OPEN TODAY, 10AM TO 1PM
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4 beds2.5 baths1,896 sq ft
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4 beds2 baths1,680 sq ft
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OPEN TODAY, 10AM TO 1PM
$1,495,000
4 beds3 baths2,550 sq ft
5280 Dunnigan Ct, Castro Valley, CA 94546
(415) 655-9007
EARLY ACCESS
$550,000
2 beds2 baths1,393 sq ft
21239 Gary Dr #206, Hayward, CA 94546
OPEN SUN, 12:30PM TO 3:30PM
$796,000
2 beds1 bath906 sq ft
2247 Lessley Ave, Castro Valley, CA 94546
OPEN TODAY, 10:30AM TO 1PM
$925,000
3 beds1 bath1,088 sq ft
18482 Ogilvie Dr, Castro Valley, CA 94546
OPEN TODAY, 11AM TO 1PM
$1,198,000
3 beds2.5 baths1,823 sq ft
3466 Arcadian Dr, Castro Valley, CA 94546
VIDEO TOUR
$975,000
3 beds1.5 baths1,311 sq ft
4848 Mancini Dr, Castro Valley, CA 94546
OPEN SAT, 1PM TO 4PM
$599,000
2 beds2.5 baths866 sq ft
20115 Redwood Rd #10, Castro Valley, CA 94546
See all

Provided by Redfin

Sale history for 21470 Rizzo Ave

Date

Event

Price

Public Records

Feb 27, 2004

Sold

$385,000

$359/sq ft

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

Jan 19, 2004

Listing Removed

—

Public Records

Oct 15, 1999

Sold

$227,000

$212/sq ft

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

Sep 9, 1999

Listing Removed

—

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

Sep 9, 1999

Listing Removed

—

Public Records

Dec 4, 1998

Sold

$185,909

$173/sq ft

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

Nov 5, 1998

Listing Removed

—

Public Records

Nov 7, 1988

Sold

$138,000

$129/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$7,407 (+2.6%)

$167,491 + $390,812

$558,303

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 Rizzo Ave

Year

Property tax

Land + Additions

Assessment*

2025

$7,407 (+2.6%)

$167,491 + $390,812

$558,303

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.

Zoning and permits

Zoning
Permits

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

Heating & Cooling
Heating Type: Wall Furnace

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Room Information
# of Rooms: 6

Exterior

Exterior Information
Physical Condition: Good
Building Style Type: Rectangular Design
Construction Type: Wood
Building Construction Quality: Average
Exterior Wall: Stucco
Building Type: Detached

Property Information
Living Sq. Ft: 1,072
Building Sq. Ft: 1,072
# of Units: 1
# of Stories: 1
Legal Description: TR 635

Lot Information
# of Buildings: 1
Land Sq. Ft: 3,807
Legal Lot Number: 5
Municipality Name: HAYWARD UNINCORP
Acres: 0.0874
County Use Description: SINGLE FAMILY RESIDENTIAL HOME

Utility Information
Sewer Type: Public
Water Service Type: Public

Financial

Assessor Information
Assessment Year: 2026

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 Sep 16, 2026

Around this home

Schools

K - 12
Preschool & daycare

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 remains a highly competitive market. On average, homes are selling for 103.7% of their asking price, with nearly 60% of properties closing above list price.
3 weeks ago • Castro Valley
Karan Kandel
Redfin agent
12 deals
Was this helpful?
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...
1 month ago • Castro Valley
Johnny Singh
Redfin Premier agent
139 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

$760,000 – $920,000

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Home values near 21470 Rizzo Ave

Data from public records.

Address	Redfin Estimate
21446 Rizzo Ave, Castro Valley, CA 3 Beds \| 2 Baths \| 1552 Sq. Ft.	$883,549
21475 Rizzo Ave, Castro Valley, CA 2 Beds \| 1 Baths \| 1146 Sq. Ft.	$957,775
21440 Rizzo Ave, Castro Valley, CA 2 Beds \| 1 Baths \| 834 Sq. Ft.	$579,732
21463 Rizzo Ave, Castro Valley, CA 2 Beds \| 1 Baths \| 1070 Sq. Ft.	$664,203
21476 Orange Ave, Castro Valley, CA 3 Beds \| 2.5 Baths \| 1197 Sq. Ft.	$1,130,363
21480 Orange Ave, Castro Valley, CA 3 Beds \| 1 Baths \| 1288 Sq. Ft.	$854,230
21483 Orange Ave, Castro Valley, CA 5 Beds \| 3 Baths \| 2490 Sq. Ft.	$1,115,224

Address	Redfin Estimate
21452 Rizzo Ave, Castro Valley, CA 3 Beds \| 1 Baths \| 1104 Sq. Ft.	$869,834
21487 Rizzo Ave, Castro Valley, CA - Beds \| 3 Baths \| 2322 Sq. Ft.	$836,305
21451 Rizzo Ave, Castro Valley, CA 3 Beds \| 2 Baths \| 1650 Sq. Ft.	$1,153,945
21457 Rizzo Ave, Castro Valley, CA 2 Beds \| 1 Baths \| 1104 Sq. Ft.	$837,458
21478 Orange Ave, Castro Valley, CA 3 Beds \| 2 Baths \| 1200 Sq. Ft.	$872,041
21475 Orange Ave, Castro Valley, CA 3 Beds \| 2 Baths \| 1485 Sq. Ft.	$914,443
21556 Lake Chabot Rd, Castro Valley, CA 2 Beds \| 1 Baths \| 972 Sq. Ft.	$823,372

Address	Redfin Estimate
21445 Rizzo Ave, Castro Valley, CA 2 Beds \| 1 Baths \| 1356 Sq. Ft.	$839,902
21469 Rizzo Ave, Castro Valley, CA 2 Beds \| 1 Baths \| 834 Sq. Ft.	$751,272
21488 Rizzo Ave, Castro Valley, CA 2 Beds \| 1 Baths \| 834 Sq. Ft.	$774,917
21460 Rizzo Ave, Castro Valley, CA 2 Beds \| 1 Baths \| 1104 Sq. Ft.	$877,420
21586 Orange Ave, Castro Valley, CA 3 Beds \| 1 Baths \| 1222 Sq. Ft.	$855,018
21484 Orange Ave, Castro Valley, CA 3 Beds \| 2 Baths \| 1200 Sq. Ft.	$887,949
21588 Orange Ave, Castro Valley, CA 3 Beds \| 1 Baths \| 1197 Sq. Ft.	$760,997

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About this home

Redfin Estimate

Earn from this home

Market trends in 94546, CA

Sale history for 21470 Rizzo Ave

Tax history for 21470 Rizzo Ave

Zoning and permits

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 Rizzo Ave

More real estate resources