OFF MARKET

Off market feb 2018 for $685K

$869,673

Est. refi paymentEst. refi $4,480/mo

•

1,104

sq ft

21452 Rizzo Ave, Castro Valley, CA 94546

About this home

This absolute darling home has an open floor plan featuring 3 bedrooms, 1 bathroom and a completely remodeled kitchen. Upgraded granite countertops, tile flooring, stainless steel appliances, dual pane windows, 6 panel interior doors and an updated bathroom. The living room showcases hardwood flooring, recessed lighting, wood burning fireplace, crown molding and shiplap ceiling. This home has ample storage in the finished attic and features a 180 SqFt. storage shed with electricity. The yard is meticulously maintained and has a custom fire pit, side yard access, a beautiful pergola and raised beds. All located on a quiet street in the highly desirable Baywood area of Castro Valley.

Single-familyProperty Type

1941Year Built

5,980 sq ftLot Size

$788Est. Price/Sq.Ft.

Listed by Nick Asturias •DRE #01872321 • Coldwell Banker Realty

Bought with Nick Asturias •DRE #01872321 • Coldwell Banker Realty

Redfin checked: a minute ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40806820

Redfin Estimate

$869,673

$185K since sold in February 2018$3,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 7.9% higher than the average sale price ($806K) of 6 comparable homes.

SOLD APR 27, 2026
$768,000
A
3 beds1 bath871 sq ft
2226 Vegas 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 OCT 9, 2026
$770,000
C
3 beds2 baths1,170 sq ft
17119 Rolando Ave, Castro Valley, CA 94546
SOLD SEP 10, 2026
$749,888
D
2 beds1 bath1,018 sq ft
2293 Vestal Ave, Castro Valley, CA 94546
SOLD APR 3, 2026
$840,000
E
3 beds1 bath1,162 sq ft
2690 Watson St, Castro Valley, CA 94546
SOLD MAR 25, 2026
$860,000
F
3 beds1.5 baths1,186 sq ft
1828 Riverbank Ave, Castro Valley, CA 94546

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Earn from this home

Sell

$375,624

Est. take-home

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Refinance

Est. cash available

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Rent

$3,227/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

OPEN SAT, 12PM TO 3PM
$699,900
3 beds1 bath1,188 sq ft
2223 Lessley Ave, Castro Valley, CA 94546
NEW 10 HRS AGO
$2,600,000
5 beds6 baths4,216 sq ft
4683 Proctor Rd, Castro Valley, CA 94546
OPEN SAT, 1PM TO 4PM
$1,490,000
4 beds2 baths1,916 sq ft
4475 Hillsborough Dr, Castro Valley, CA 94546
OPEN SAT, 1:30PM TO 4PM
$949,000
3 beds2.5 baths1,918 sq ft
20061 Santa Maria Ave, Castro Valley, CA 94546
OPEN SAT, 1PM TO 4PM
$1,188,000
4 beds2.5 baths2,295 sq ft
2783 Jennifer Dr, Castro Valley, CA 94546
OPEN SAT, 12:30PM TO 2:30PM
$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
OPEN SAT, 1PM TO 4PM
$499,000
3 beds2 baths1,354 sq ft
21314 Gary Dr #108, Hayward, CA 94546
OPEN TODAY, 5PM TO 6:30PM
$1,498,000
4 beds3 baths3,275 sq ft
19912 Conrad Ct, Castro Valley, CA 94546
See all

Provided by Redfin

Sale history for 21452 Rizzo Ave

Date

Event

Price

bridgeMLS, Bay East AOR, or Contra Costa AOR #40806820

Feb 8, 2018

Sold

$685,000

$620/sq ft

Jan 17, 2018

Pending

—

Jan 8, 2018

Listed

$615,000

$557/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #40715125

Oct 23, 2015

Sold

$520,000

$471/sq ft

Sep 18, 2015

Pending

—

Sep 11, 2015

Listed

$489,000

$443/sq ft

+25

bridgeMLS, Bay East AOR, or Contra Costa AOR #40371840

Jan 16, 2009

Sold

$325,000

$294/sq ft

Dec 11, 2008

Listing Removed

—

Oct 18, 2008

Price Changed

$329,000

$298/sq ft

Sep 26, 2008

Listed

$349,000

$316/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #40209960

Nov 30, 2006

Sold

$530,000

$480/sq ft

Nov 9, 2006

Listing Removed

—

Oct 10, 2006

Price Changed

$519,900

$471/sq ft

Sep 20, 2006

Listed

$529,000

$479/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #40193501

Sep 20, 2006

Listing Removed

—

Public Records

Jan 31, 1980

Sold

$19,000

$17/sq ft

Public Records

Jun 1, 1978

Sold

$54,000

$49/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$10,165 (+2.5%)

$238,495 + $556,488

$794,983

2024

$9,916 (+1.8%)

$233,819 + $545,579

$779,398

2023

$9,738 (+2.3%)

$229,235 + $534,882

$764,117

2022

$9,522 (+1.0%)

$220,335 + $514,115

$734,450

2021

$9,424 (+1.3%)

$220,335 + $514,115

$734,450

2020

$9,304 (−0.9%)

$216,015 + $504,036

$720,051

2019

$9,393 (+32.3%)

$213,802 + $498,871

$712,673

2018

$7,099 (+2.5%)

$209,610 + $489,090

$698,700

2017

$6,923 (+6.0%)

$159,120 + $371,280

$530,400

2016

$6,534 (+42.0%)

$159,120 + $371,280

$530,400

2015

$4,602 (+5.7%)

$156,000 + $364,000

$520,000

2014

$4,355 (+1.3%)

$102,421 + $238,984

$341,405

2013

$4,299 (+8.6%)

$102,421 + $238,984

$341,405

2012

$3,957 (+5.8%)

$101,959 + $237,905

$339,864

2011

$3,739 (−5.2%)

$93,000 + $217,000

$310,000

2010

$3,944 (−3.8%)

$87,300 + $203,700

$291,000

2009

$4,098 (−26.8%)

$94,500 + $220,500

$315,000

2008

$5,599

$101,400 + $223,600

$325,000

Tax history for 21452 Rizzo Ave

Year

Property tax

Land + Additions

Assessment*

2025

$10,165 (+2.5%)

$238,495 + $556,488

$794,983

2024

$9,916 (+1.8%)

$233,819 + $545,579

$779,398

2023

$9,738 (+2.3%)

$229,235 + $534,882

$764,117

2022

$9,522 (+1.0%)

$220,335 + $514,115

$734,450

2021

$9,424 (+1.3%)

$220,335 + $514,115

$734,450

2020

$9,304 (−0.9%)

$216,015 + $504,036

$720,051

2019

$9,393 (+32.3%)

$213,802 + $498,871

$712,673

2018

$7,099 (+2.5%)

$209,610 + $489,090

$698,700

2017

$6,923 (+6.0%)

$159,120 + $371,280

$530,400

2016

$6,534 (+42.0%)

$159,120 + $371,280

$530,400

2015

$4,602 (+5.7%)

$156,000 + $364,000

$520,000

2014

$4,355 (+1.3%)

$102,421 + $238,984

$341,405

2013

$4,299 (+8.6%)

$102,421 + $238,984

$341,405

2012

$3,957 (+5.8%)

$101,959 + $237,905

$339,864

2011

$3,739 (−5.2%)

$93,000 + $217,000

$310,000

2010

$3,944 (−3.8%)

$87,300 + $203,700

$291,000

2009

$4,098 (−26.8%)

$94,500 + $220,500

$315,000

2008

$5,599

$101,400 + $223,600

$325,000

*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

5,980 Sq. Ft.

Year renovated

1941

Sq. Ft.

1,104

Year built

1941

Style

Single Family Residential

County

Alameda County

APN

415 006003200

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

Aug 27, 2021 • Final

Building

Install a new air conditioning add-on unit.

HVAC

Mar 9, 2009 • Final

Building

Install a new main electrical service panel and a new subpanel. Install new wiring in the laundry room.

Electrical

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

Parking

Parking Information
Parking Features: Off Street, RV/Boat Parking, Side Yard Access

Interior

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

Interior Features
Interior Features: Storage, Stone Counters, Updated Kitchen
Appliances: Dishwasher, Disposal, Plumbed For Ice Maker, Microwave, Free-Standing Range, Refrigerator, Gas Water Heater
Laundry Features: Hookups Only, Laundry Room
Street Level Features: 3 Bedrooms, 1 Bath, Laundry Facility, Main Entry
Window Features: Double Pane Windows
Fireplaces Total: 1
Has Fireplace
Flooring: Hardwood, Laminate, Tile

Room Information
Kitchen Features: Counter - Stone,Dishwasher,Garbage Disposal,Ice Maker Hookup,Microwave,Range/Oven Free Standing,Refrigerator,Updated Kitchen
Rooms Total: 8
Fireplace Features: Living Room, Wood Burning
Basement: Crawl Space

Exterior

Building Information
Construction Materials: Vinyl Siding
Building Area Total: 1,104

Exterior Features
Patio And Porch Features: Patio
Exterior Features: Back Yard, Front Yard, Side Yard, Storage
Fencing: Fenced
Roof: Shingle

Property Information
Living Area: 1104
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1941

Lot Information
Other Structures: Shed(s)
Lot Size Square Feet: 5980
Lot Size Area: 0.14
Lot Size Units: Acres
Lot Size Acres: 0.14
Lot Features: Regular

Utilities

Utility Information
Water Source: Public
Sewer: Public Sewer

Heating & Cooling
Has Heating
Heating: Forced Air
Cooling: Ceiling Fan(s)

Location

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

Public facts

Beds: 3
Baths: 1.0
Sq. Ft.: 1,104
Stories: 1.0
Lot Size: 5,980 square feet
Style: Single Family Residential
Year Built: 1941
Year Renovated: 1941
County: Alameda County
APN: 415 006003200

Home facts updated by county records on Sep 16, 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 • 1.4mi

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

Estimated sale price

$827,000 – $1.00M

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Home values near 21452 Rizzo Ave

Data from public records.

Address	Redfin Estimate
21470 Rizzo Ave, Castro Valley, CA 3 Beds \| 2 Baths \| 1050 Sq. Ft.	$798,724
21475 Rizzo Ave, Castro Valley, CA 2 Beds \| 1 Baths \| 1146 Sq. Ft.	$960,680

Address	Redfin Estimate
21446 Rizzo Ave, Castro Valley, CA 3 Beds \| 2 Baths \| 1552 Sq. Ft.	$904,228
21433 Rizzo Ave, Castro Valley, CA 3 Beds \| 1 Baths \| 1277 Sq. Ft.	$895,281

Address	Redfin Estimate
21445 Rizzo Ave, Castro Valley, CA 2 Beds \| 1 Baths \| 1356 Sq. Ft.	$845,217
21487 Rizzo Ave, Castro Valley, CA - Beds \| 3 Baths \| 2322 Sq. Ft.	$830,725

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2018. 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 21452 Rizzo Ave

Tax history for 21452 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 21452 Rizzo Ave

More real estate resources