OFF MARKET

Off Market Sep 2020 for $1.3M

$1,711,814

Est. refi paymentEst. refi $6,612/mo

•

2,142

sq ft

17451 Parker Rd, Castro Valley, CA 94546

About this home

Rare, single-level home with a detached in-law unit in one of Castro Valley’s most sought after upper valley locations. This property offers 4 bedrooms, 2.5 baths with approx. 2,142 SqFt of interior living space in the main house plus an additional approx. 360 SqFt in-law unit with full bath and kitchenette. Gleaming hardwood floors in the main house, updated kitchen and baths, dual-pane windows, interior laundry area, 2 car attached garage with side yard access. Fresh interior and exterior paint, custom shutters throughout, 2 wood burning fireplaces, central heat, tankless water heater, and large storage area under detached unit. Newer stamped concrete driveway and professionally landscaped yards with a peaceful water feature. This home is a must see and is perfect for multigenerational living or optional rental income. Proctor Elementary school. Centrally located, close to freeways, BART, public transportation, Lake Chabot Regional Park, shopping, and all Bay Area job centers.

Single-familyProperty Type

1959Year Built

10,530 sq ftLot Size

$799Est. Price/Sq.Ft.

2 car garageParking

Listed by Matthew Wilhite •DRE #01828342 • Intero Real Estate Services

Bought with Jun Huang •DRE #01441009 • Bay Home Investments&Loans

Redfin checked: a minute ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40914932

Redfin Estimate

$1,711,814

$402K since sold in September 2020$17K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 21.1% higher than the average sale price ($1.41M) of 6 comparable homes.

SOLD MAY 18, 2026
$1,438,000
A
4 beds2.5 baths2,113 sq ft
17939 Lamson Rd, Castro Valley, CA 94546
SOLD MAY 29, 2026
$1,305,000
B
4 beds2.5 baths2,077 sq ft
4977 Proctor Rd, Castro Valley, CA 94546
SOLD MAY 29, 2026
$1,570,000
C
4 beds2.5 baths2,668 sq ft
4473 Hillsborough Dr, Castro Valley, CA 94546
SOLD JUN 10, 2026
$1,468,888
D
4 beds2.5 baths2,086 sq ft
19304 Barclay Rd, Castro Valley, CA 94546
SOLD MAR 20, 2026
$1,362,000
E
3 beds2.5 baths2,391 sq ft
18153 Plymouth Dr, Castro Valley, CA 94546
SOLD JAN 7, 2026
$1,335,000
F
3 beds2.5 baths2,018 sq ft
17838 Walnut Rd, Castro Valley, CA 94546

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Earn from this home

Sell

$695,944

Est. take-home

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Refinance

Est. cash available

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Rent

$4,379/mo

Redfin rental estimate

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Market trends in 94546, CA

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

105.6%

+0.7% MoM

Median sale price

$1.1M

$45K MoM

Avg. days on market

13d

1 days MoM

Recently sold homes

100

5 MoM

New listings for sale

OPEN SUN, 1PM TO 4PM
$799,000
2 beds1 bath1,122 sq ft
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COMING SOON
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18473 Apricot Way, Castro Valley, CA 94546
OPEN SUN, 12PM TO 4PM
19453 Vaughn Ave, Castro Valley, CA 94546
$1,175,000
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19453 Vaughn Ave, Castro Valley, CA 94546
Pacific Home Brokers
OPEN TODAY, 12PM TO 2PM
$695,000
2 beds1.5 baths1,207 sq ft
20279 Forest Ave, Castro Valley, CA 94546
(415) 510-8600
OPEN TODAY, 11AM TO 1PM
$870,000
3 beds1 bath1,080 sq ft
2976 Sydney, Castro Valley, CA 94546
COMING SOON
$1,550,000
3 beds1.5 baths1,851 sq ft
4618 Ewing Rd, Castro Valley, CA 94546
OPEN TODAY, 1PM TO 4PM
$699,999
3 beds1 bath1,036 sq ft
19117 Parsons Ave, Castro Valley, CA 94546
OPEN SUN, 2PM TO 4PM
$549,950
3 beds2 baths1,354 sq ft
21239 Gary Dr Unit 202E, Hayward, CA 94546
OPEN TODAY, 1PM TO 4PM
$1,235,000
3 beds2 baths1,581 sq ft
18747 Sandy Rd, Castro Valley, CA 94546
OPEN TODAY, 1PM TO 4PM
$1,095,000
4 beds2.5 baths1,988 sq ft
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See all

Provided by Redfin

Sale history for 17451 Parker Rd

Year

Property tax

Land + Additions

Assessment*

2025

$17,519 (+2.2%)

$425,391 + $992,579

$1,417,970

2024

$17,143 (+1.5%)

$425,391 + $992,579

$1,417,970

2023

$16,892 (+1.8%)

$417,051 + $973,120

$1,390,171

2022

$16,587 (+2.6%)

$400,860 + $935,340

$1,336,200

2021

$16,170 (+167.6%)

$400,860 + $935,340

$1,336,200

2020

$6,043 (−1.7%)

$393,000 + $917,000

$1,310,000

2019

$6,149 (+2.9%)

$140,668 + $321,886

$462,554

2018

$5,973 (+2.7%)

$137,910 + $315,575

$453,485

2017

$5,815 (+5.1%)

$132,555 + $303,321

$435,876

2016

$5,532 (+7.0%)

$132,555 + $303,321

$435,876

2015

$5,170 (+1.4%)

$129,957 + $297,375

$427,332

2014

$5,099 (+0.9%)

$125,498 + $287,172

$412,670

2013

$5,054 (+2.1%)

$125,498 + $287,172

$412,670

2012

$4,949 (+1.4%)

$124,932 + $285,876

$410,808

2011

$4,881 (+0.7%)

$122,482 + $280,272

$402,754

2010

$4,846 (−0.4%)

$120,081 + $274,778

$394,859

2009

$4,864 (+3.5%)

$119,184 + $272,725

$391,909

2008

$4,701

$119,468 + $273,374

$392,842

Tax history for 17451 Parker Rd

Year

Property tax

Land + Additions

Assessment*

2025

$17,519 (+2.2%)

$425,391 + $992,579

$1,417,970

2024

$17,143 (+1.5%)

$425,391 + $992,579

$1,417,970

2023

$16,892 (+1.8%)

$417,051 + $973,120

$1,390,171

2022

$16,587 (+2.6%)

$400,860 + $935,340

$1,336,200

2021

$16,170 (+167.6%)

$400,860 + $935,340

$1,336,200

2020

$6,043 (−1.7%)

$393,000 + $917,000

$1,310,000

2019

$6,149 (+2.9%)

$140,668 + $321,886

$462,554

2018

$5,973 (+2.7%)

$137,910 + $315,575

$453,485

2017

$5,815 (+5.1%)

$132,555 + $303,321

$435,876

2016

$5,532 (+7.0%)

$132,555 + $303,321

$435,876

2015

$5,170 (+1.4%)

$129,957 + $297,375

$427,332

2014

$5,099 (+0.9%)

$125,498 + $287,172

$412,670

2013

$5,054 (+2.1%)

$125,498 + $287,172

$412,670

2012

$4,949 (+1.4%)

$124,932 + $285,876

$410,808

2011

$4,881 (+0.7%)

$122,482 + $280,272

$402,754

2010

$4,846 (−0.4%)

$120,081 + $274,778

$394,859

2009

$4,864 (+3.5%)

$119,184 + $272,725

$391,909

2008

$4,701

$119,468 + $273,374

$392,842

*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

10,530 Sq. Ft.

Year renovated

1960

Sq. Ft.

2,142

Year built

1959

Style

Single Family Residential

County

Alameda County

APN

084D114500115

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 18, 2020 • Final

Building

Tear off and install a new built-up roofing system on a rear detached residential unit.

Roofing

Aug 29, 2005 • Final

Building

Tear off the existing roof and install new plywood and 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

Parking

Parking Information
Has Attached Garage
Garage Spaces: 2
Covered Spaces: 2
Parking Features: Attached, RV/Boat Parking, Side Yard Access, Garage Door Opener

Interior

Virtual Tour

Bathroom Information
# of Bathrooms Total: 3
# of Bathrooms Full: 2
# of Bathrooms Partial: 1
Other Bathrooms Included Features: Shower Over Tub, Solid Surface
Primary Bathroom Included Features: Stall Shower, Tile, Updated Baths

Interior Features
Interior Features: Dining Area, In-Law Floorplan, Counter - Solid Surface, Eat-in Kitchen, Updated Kitchen
Appliances: Dishwasher, Disposal, Gas Range, Plumbed For Ice Maker, Microwave, Free-Standing Range
Laundry Features: Hookups Only, Laundry Room
Upper Level Features: Main Entry
Street Level Features: 4 Bedrooms, 2.5 Baths
Window Features: Window Coverings
Fireplaces Total: 2
Has Fireplace
Flooring: Hardwood Flrs Throughout, Tile, Carpet

Room Information
Kitchen Features: Counter - Solid Surface,Dishwasher,Eat In Kitchen,Garbage Disposal,Gas Range/Cooktop,Ice Maker Hookup,Microwave,Range/Oven Free Standing,Updated Kitchen
Rooms Total: 7
Fireplace Features: Dining Room, Living Room, Wood Burning

Exterior

Building Information
Construction Materials: Stucco
Building Area Total: 2,142
Foundation Details: Raised

Exterior Features
Patio And Porch Features: Patio
Exterior Features: Back Yard, Front Yard, Side Yard, Sprinklers Automatic, Storage Area
Roof: Shingle

Property Information
Living Area: 2142
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1959

Lot Information
Other Structures: Guest House
Lot Size Square Feet: 10530
Lot Size Area: 0.24
Lot Size Units: Acres
Lot Size Acres: 0.24
Lot Features: Level, Sloped Up

Utilities

Utility Information
Water Source: Public
Sewer: Public Sewer

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

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 2,142
Stories: 1.0
Lot Size: 10,530 square feet
Style: Single Family Residential
Year Built: 1959
Year Renovated: 1960
County: Alameda County
APN: 084D114500115

Home facts updated by county records on Jul 27, 2026

Around this home

Schools

Proctor Elementary School

Public K-5 • Assigned • 1.0mi

9/10

Creekside Middle School

Public 6-8 • Assigned • 2.2mi

10/10

Castro Valley High School

Public 9-12 • Assigned • 1.3mi

9/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Castro Valley's late-summer market shows a clear split. While median prices hold near $1.2M, increased inventory gives buyers leverage on older properties. However, immaculate homes still go pending in under 15 days. A strong, clean offer is key!
2 weeks 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...
1 month 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

0.62% 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 • 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

$1.63M – $1.97M

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New listings for sale in 94546

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Pacific Home Brokers

OPEN TODAY, 12PM TO 2PM

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OPEN TODAY, 11AM TO 1PM

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COMING SOON

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4618 Ewing Rd, Castro Valley, CA 94546

OPEN TODAY, 1PM TO 4PM

$699,999

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19117 Parsons Ave, Castro Valley, CA 94546

OPEN SUN, 2PM TO 4PM

$549,950

3 beds2 baths1,354 sq ft

21239 Gary Dr Unit 202E, Hayward, CA 94546

OPEN TODAY, 1PM TO 4PM

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3 beds2 baths1,581 sq ft

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Home values near 17451 Parker Rd

Data from public records.

Address	Redfin Estimate
17523 Parker Rd, Castro Valley, CA 3 Beds \| 2 Baths \| 2402 Sq. Ft.	$1,751,844
17456 Parker Rd, Castro Valley, CA 3 Beds \| 2 Baths \| 2100 Sq. Ft.	$1,331,000

Address	Redfin Estimate
17400 Parker Rd, Castro Valley, CA 4 Beds \| 3 Baths \| 2844 Sq. Ft.	$1,602,272
17485 Parker Rd, Castro Valley, CA 4 Beds \| 3 Baths \| 2650 Sq. Ft.	$1,739,280

Address	Redfin Estimate
17510 Parker Rd, Castro Valley, CA 2 Beds \| 2 Baths \| 1878 Sq. Ft.	$1,384,588
17468 Parker Rd, Castro Valley, CA 4 Beds \| 2.5 Baths \| 2250 Sq. Ft.	$1,473,685

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2020. 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 17451 Parker Rd

Tax history for 17451 Parker Rd

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 17451 Parker Rd

More real estate resources