Google street view image for 21636 Lake Chabot Rd, Castro Valley, CA 94546

Off Market Sep 1977 for $51K

$942,174

Est. refi paymentEst. refi $332/mo

•

2 ba

•

1,772

sq ft

21636 Lake Chabot Rd, Castro Valley, CA 94546

About this home

21636 Lake Chabot Rd is a 1,772 square foot house on a 7,533 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on September 02, 1977 for $51,000. Based on Redfin's Castro Valley data, we estimate the home's value is $942,174.

Single-familyProperty Type

1942Year Built

7,533 sq ftLot Size

$532Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$942,174

$891K since sold in September 1977$6,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 2.5% lower than the average sale price ($967K) of 6 comparable homes.

SOLD JUL 9, 2026
$984,777
A
3 beds2 baths1,650 sq ft
21451 Rizzo Ave, Castro Valley, CA 94546
SOLD JUL 21, 2026
$880,000
B
3 beds2 baths1,476 sq ft
20872 /74 Wilbeam Ave, Castro Valley, CA 94546
SOLD JUL 28, 2026
$844,500
C
3 beds2 baths1,586 sq ft
2305 Star Ave, Hayward, CA 94546
SOLD NOV 17, 2025
$990,000
D
3 beds2 baths1,689 sq ft
1553 Stafford Ave, Hayward, CA 94541
SOLD MAR 27, 2026
$825,000
E
3 beds2 baths1,557 sq ft
1516 Grove Way, Hayward, CA 94546
SOLD APR 10, 2026
$1,275,000
F
3 beds2.5 baths2,239 sq ft
21928 Baywood Ave, Castro Valley, CA 94546

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Earn from this home

Sell

$892,369

Est. take-home

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Refinance

Est. cash available

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Rent

$3,888/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

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OPEN TODAY, 1PM TO 3PM
$695,000
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20279 Forest Ave, Castro Valley, CA 94546
(415) 510-8600
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See all

Provided by Redfin

Sale history for 21636 Lake Chabot Rd

Year

Property tax

Land + Additions

Assessment*

2025

$3,571 (+2.8%)

$85,483 + $139,104

$224,587

2024

$3,475 (+2.3%)

$85,483 + $139,104

$224,587

2023

$3,396 (+2.7%)

$83,807 + $136,377

$220,184

2022

$3,307 (+1.5%)

$80,553 + $131,082

$211,635

2021

$3,259 (+1.5%)

$80,553 + $131,082

$211,635

2020

$3,211 (−0.6%)

$78,973 + $128,512

$207,485

2019

$3,228 (+5.9%)

$78,164 + $127,195

$205,359

2018

$3,049 (+2.6%)

$76,631 + $124,702

$201,333

2017

$2,972 (+6.5%)

$73,656 + $119,861

$193,517

2016

$2,791 (+3.1%)

$73,656 + $119,861

$193,517

2015

$2,706 (+5.8%)

$72,212 + $117,511

$189,723

2014

$2,558 (+1.8%)

$69,734 + $113,479

$183,213

2013

$2,514 (+2.4%)

$69,734 + $113,479

$183,213

2012

$2,455 (+37.0%)

$69,419 + $112,966

$182,385

2011

$1,792 (+5.2%)

$68,058 + $110,752

$178,810

2010

$1,703 (+18.6%)

$66,724 + $55,247

$121,971

2009

$1,436 (+6.5%)

$66,226 + $50,058

$116,284

2008

$1,348

$66,383 + $25,118

$91,501

Tax history for 21636 Lake Chabot Rd

Year

Property tax

Land + Additions

Assessment*

2025

$3,571 (+2.8%)

$85,483 + $139,104

$224,587

2024

$3,475 (+2.3%)

$85,483 + $139,104

$224,587

2023

$3,396 (+2.7%)

$83,807 + $136,377

$220,184

2022

$3,307 (+1.5%)

$80,553 + $131,082

$211,635

2021

$3,259 (+1.5%)

$80,553 + $131,082

$211,635

2020

$3,211 (−0.6%)

$78,973 + $128,512

$207,485

2019

$3,228 (+5.9%)

$78,164 + $127,195

$205,359

2018

$3,049 (+2.6%)

$76,631 + $124,702

$201,333

2017

$2,972 (+6.5%)

$73,656 + $119,861

$193,517

2016

$2,791 (+3.1%)

$73,656 + $119,861

$193,517

2015

$2,706 (+5.8%)

$72,212 + $117,511

$189,723

2014

$2,558 (+1.8%)

$69,734 + $113,479

$183,213

2013

$2,514 (+2.4%)

$69,734 + $113,479

$183,213

2012

$2,455 (+37.0%)

$69,419 + $112,966

$182,385

2011

$1,792 (+5.2%)

$68,058 + $110,752

$178,810

2010

$1,703 (+18.6%)

$66,724 + $55,247

$121,971

2009

$1,436 (+6.5%)

$66,226 + $50,058

$116,284

2008

$1,348

$66,383 + $25,118

$91,501

*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

Sep 23, 2011 • Final

Building

Complete a single-family home addition and interior remodel. The project includes adding a bedroom, bathroom, and walk-in closet, extending existing bedrooms, and installing new bay windows. The existing garage will be converted into a kitchen, nook, and utility room, while the residence undergoes a non-structural remodel with new plumbing, electrical, mechanical, insulation, drywall, windows, stucco, a furnace, a water heater, and an electrical service upgrade. Additional work includes installing a new roof overhang and reroofing the house with asphalt shingles.

Addition

Remodel

Dec 17, 2008 • Final

Building

Construct a single-family home addition and perform an interior remodel. The project includes adding a bedroom, bathroom, and walk-in closet, extending existing bedrooms, installing new bay windows, and creating a new entry. Convert the existing garage into a kitchen, nook, and utility room, and perform a non-structural remodel with new plumbing, electrical, mechanical, insulation, drywall, windows, stucco, furnace, water heater, and electrical service upgrade. Install a new roof overhang and reroof the house with asphalt shingles.

Addition

Remodel

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: Floor Furnace

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Room Information
# of Rooms: 7

Exterior

Exterior Information
Physical Condition: Good
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Exterior Wall: Wood Siding
Building Type: Detached

Property Information
Living Sq. Ft: 1,772
Building Sq. Ft: 1,772
# of Units: 1
# of Stories: 1

Parking & Garage Information
# of Parking Spaces: 1

Lot Information
# of Buildings: 1
Land Sq. Ft: 7,533
Legal Lot Number: 24
Municipality Name: HAYWARD UNINCORP
Acres: 0.1729
County Use Description: SINGLE FAMILY RESIDENTIAL HOME

Utility Information
Sewer Type: Public
Water Service Type: Public

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,772
Stories: 1.0
Lot Size: 7,533 square feet
Style: Single Family Residential
Year Built: 1942
Year Renovated: 1979
County: Alameda County
APN: 415 006007700

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 • 1.2mi

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...
4 days 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
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Climate risks

4/10 Flood Factor

Estimated 19-29% chance 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

$896,000 – $1.08M

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Home values near 21636 Lake Chabot Rd

Data from public records.

Address	Redfin Estimate
21612 Lake Chabot Rd, Castro Valley, CA 3 Beds \| 2 Baths \| 1568 Sq. Ft.	$1,011,878
21665 Lake Chabot Rd, Castro Valley, CA 2 Beds \| 1 Baths \| 848 Sq. Ft.	$785,257

Address	Redfin Estimate
21571 Lake Chabot Rd, Castro Valley, CA 2 Beds \| 2 Baths \| 1125 Sq. Ft.	$884,653
21586 Lake Chabot Rd, Castro Valley, CA 3 Beds \| 2 Baths \| 1195 Sq. Ft.	$836,116

Address	Redfin Estimate
21651 Lake Chabot Rd, Castro Valley, CA 5 Beds \| 3 Baths \| 2096 Sq. Ft.	$1,065,471
21637 Lake Chabot Rd, Castro Valley, CA 2 Beds \| 1 Baths \| 1104 Sq. Ft.	$813,132

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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 21636 Lake Chabot Rd

Tax history for 21636 Lake Chabot Rd

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 21636 Lake Chabot Rd

More real estate resources