Google street view image for 16643 Kildare Rd, Castro Valley, CA 94578

Off Market Sep 1977 for $80K

$1,004,539

Est. refi paymentEst. refi $536/mo

•

3 ba

•

1,874

sq ft

16643 Kildare Rd, Castro Valley, CA 94578

About this home

16643 Kildare Rd is a 1,874 square foot house on a 5,200 square foot lot with 3 bedrooms and 3 bathrooms. - it last sold on September 30, 1977 for $80,000. Based on Redfin's Castro Valley data, we estimate the home's value is $1,004,539.

Single-familyProperty Type

1966Year Built

5,200 sq ftLot Size

$536Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,004,539

$925K since sold in September 1977$31K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 2.7% lower than the average sale price ($1.03M) of 6 comparable homes.

SOLD DEC 15, 2025
$850,000
A
4 beds2 baths1,884 sq ft
16543 Hannah Dr, Castro Valley, CA 94578
SOLD AUG 31, 2026
$1,200,000
B
3 beds2.5 baths1,887 sq ft
2761 Stanton Heights Ct, Castro Valley, CA 94546
SOLD AUG 31, 2026
$1,100,000
C
3 beds2 baths2,008 sq ft
19574 Stanton Ave, Castro Valley, CA 94546
SOLD AUG 13, 2026
$1,122,000
D
3 beds2.5 baths1,700 sq ft
19435 Yuma St, Castro Valley, CA 94546
SOLD MAR 17, 2026
$975,000
E
3 beds3 baths2,124 sq ft
20024 Zeno St, Castro Valley, CA 94546
Professional Realty Associates
SOLD OCT 7, 2025
$945,000
F
3 beds3 baths1,821 sq ft
2362 Somerset Ave, Castro Valley, CA 94546

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Earn from this home

Sell

$950,801

Est. take-home

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Refinance

Est. cash available

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Rent

$3,901/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

104.3%

+0.4% MoM

Median sale price

$1.1M

$27K MoM

Avg. days on market

15d

1 days MoM

Recently sold homes

14 MoM

New listings for sale

OPEN SAT, 1PM TO 4PM
$515,000
2 beds2 baths1,060 sq ft
385 Caliente Cir, San Leandro, CA 94578
OPEN SUN, 1PM TO 4PM
$750,000
3 beds1 bath1,135 sq ft
3477 Alvarado St, San Leandro, CA 94578
(888) 584-9427
COMING SOON
$999,000
3 beds2.5 baths1,770 sq ft
2121 166th Ave, Castro Valley, CA 94578
$370,000
2 beds1 bath749 sq ft
1430 Thrush Ave #12, Ashland, CA 94578
Capitol Realty Center Inc.
See all

Provided by Redfin

Sale history for 16643 Kildare Rd

Year

Property tax

Land + Additions

Assessment*

2025

$2,720 (+2.8%)

$71,168 + $95,911

$167,079

2024

$2,645 (+2.5%)

$69,772 + $94,031

$163,803

2023

$2,581 (+2.7%)

$68,404 + $92,187

$160,591

2022

$2,513 (+2.9%)

$65,748 + $88,608

$154,356

2021

$2,442 (+2.5%)

$65,748 + $88,608

$154,356

2020

$2,383 (−1.3%)

$64,459 + $86,871

$151,330

2019

$2,414 (+3.0%)

$63,799 + $85,980

$149,779

2018

$2,343 (+2.9%)

$62,548 + $84,294

$146,842

2017

$2,278 (+5.2%)

$60,119 + $81,021

$141,140

2016

$2,165 (+7.0%)

$60,119 + $81,021

$141,140

2015

$2,024 (+2.5%)

$58,940 + $79,433

$138,373

2014

$1,974 (+1.9%)

$56,918 + $76,708

$133,626

2013

$1,938 (+2.6%)

$56,918 + $76,708

$133,626

2012

$1,889 (+1.5%)

$56,661 + $76,361

$133,022

2011

$1,860 (+0.9%)

$55,550 + $74,864

$130,414

2010

$1,844 (+0.2%)

$54,461 + $73,397

$127,858

2009

$1,841 (+5.4%)

$54,054 + $72,848

$126,902

2008

$1,747

$54,183 + $73,022

$127,205

Tax history for 16643 Kildare Rd

Year

Property tax

Land + Additions

Assessment*

2025

$2,720 (+2.8%)

$71,168 + $95,911

$167,079

2024

$2,645 (+2.5%)

$69,772 + $94,031

$163,803

2023

$2,581 (+2.7%)

$68,404 + $92,187

$160,591

2022

$2,513 (+2.9%)

$65,748 + $88,608

$154,356

2021

$2,442 (+2.5%)

$65,748 + $88,608

$154,356

2020

$2,383 (−1.3%)

$64,459 + $86,871

$151,330

2019

$2,414 (+3.0%)

$63,799 + $85,980

$149,779

2018

$2,343 (+2.9%)

$62,548 + $84,294

$146,842

2017

$2,278 (+5.2%)

$60,119 + $81,021

$141,140

2016

$2,165 (+7.0%)

$60,119 + $81,021

$141,140

2015

$2,024 (+2.5%)

$58,940 + $79,433

$138,373

2014

$1,974 (+1.9%)

$56,918 + $76,708

$133,626

2013

$1,938 (+2.6%)

$56,918 + $76,708

$133,626

2012

$1,889 (+1.5%)

$56,661 + $76,361

$133,022

2011

$1,860 (+0.9%)

$55,550 + $74,864

$130,414

2010

$1,844 (+0.2%)

$54,461 + $73,397

$127,858

2009

$1,841 (+5.4%)

$54,054 + $72,848

$126,902

2008

$1,747

$54,183 + $73,022

$127,205

*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

Nov 17, 2022 • Final

Building

Remove and replace an existing residential water heater with a new unit of the same capacity in the basement.

Plumbing

Water heater

May 2, 2007 • Final

Building

Replace the furnace and install a new air conditioning system.

HVAC

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

Room Information
# of Rooms: 6

Exterior

Exterior Information
Building Style Type: Rectangular Design
Construction Type: Wood
Building Construction Quality: Average

Property Information
Living Sq. Ft: 1,874
Building Sq. Ft: 1,874
# of Units: 1
# of Stories: 1

Lot Information
# of Buildings: 1
Land Sq. Ft: 5,200
Legal Lot Number: 9
Legal Block Number: A
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.1194
County Use Description: SINGLE FAMILY RESIDENTIAL HOME

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 3.0
Sq. Ft.: 1,874
Stories: 1.0
Lot Size: 5,200 square feet
Style: Single Family Residential
Year Built: 1966
Year Renovated: 1967
County: Alameda County
APN: 084B031000400

Home facts updated by county records on Sep 17, 2026

Around this home

Schools

Stanton Elementary School

Public K-5 • Assigned • 0.2mi

6/10

Creekside Middle School

Public 6-8 • Assigned • 2.1mi

10/10

Castro Valley High School

Public 9-12 • Assigned • 1.2mi

9/10

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...
2 weeks ago • Castro Valley
Johnny Singh
Redfin Premier agent
147 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

3/10 Fire Factor

0.31% chance of being in a wildfire in next 30 years

3/10 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 • 94578

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

$955,000 – $1.16M

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Home values near 16643 Kildare Rd

Data from public records.

Address	Redfin Estimate
16615 Kildare Road, Castro Valley, CA 3 Beds \| 2 Baths \| 1832 Sq. Ft.	$990,490
16659 Kildare Road, Castro Valley, CA 3 Beds \| 2.5 Baths \| 1659 Sq. Ft.	$1,110,382

Address	Redfin Estimate
16608 Kildare Road, Castro Valley, CA 3 Beds \| 2 Baths \| 1444 Sq. Ft.	$956,504
16644 Kildare Road, Castro Valley, CA 3 Beds \| 3 Baths \| 2030 Sq. Ft.	$1,072,014

Address	Redfin Estimate
16683 Kildare Road, Castro Valley, CA 4 Beds \| 2.5 Baths \| 2528 Sq. Ft.	$1,235,764
16636 Kildare Road, Castro Valley, CA 4 Beds \| 2.5 Baths \| 1760 Sq. Ft.	$927,515

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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 16643 Kildare Rd

Tax history for 16643 Kildare 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 94578

Home values near 16643 Kildare Rd

More real estate resources