OFF MARKET

Off Market Sep 2015 for $560K

$1,010,486

Est. refi paymentEst. refi $3,047/mo

•

1,224

sq ft

4178 Krolop Rd, Castro Valley, CA 94546

About this home

Single-familyProperty Type

1921Year Built

0.49 acresLot Size

$826Est. Price/Sq.Ft.

2 spacesParking

Listed by Andrew de Vries •DRE #DRE #01368031 • Berkshire Hathaway-Franciscan

•415-585-5200 (agent)

•andrew@probateagent.com (agent)

•415-664-9400 (broker)

Bought with Wen Da Lei •DRE #DRE #01364458 • Century 21 Masters

•415-213-1600 (broker)

•info@c21realestate.com (broker)

Redfin checked: 3 minutes ago

•Source:San Francisco MLS #436696

Redfin Estimate

$1,010,486

$450K since sold in September 2015$8,000 since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 13.5% higher than the average sale price ($890K) of 5 comparable homes.

SOLD JUN 30, 2026
18752 Carlton Ave, Castro Valley, CA 94546
$865,000
A
2 beds1 bath1,115 sq ft
18752 Carlton Ave, Castro Valley, CA 94546
SOLD APR 30, 2026
$830,000
B
2 beds1 bath1,055 sq ft
4199 Seven Hills Rd, Castro Valley, CA 94546
SOLD JUL 13, 2026
$780,000
C
2 beds1 bath924 sq ft
18926 Walnut Rd, Castro Valley, CA 94546
SOLD JUL 27, 2026
$1,064,000
D
3 beds2.5 baths1,226 sq ft
3488 Brookdale Blvd, Castro Valley, CA 94546
SOLD DEC 5, 2025
$912,000
E
2 beds1 bath1,163 sq ft
18338 Redwood Rd, Castro Valley, CA 94546

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Earn from this home

Sell

$615,435

Est. take-home

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Refinance

Est. cash available

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Rent

$3,101/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

COMING SOON
$1,550,000
3 beds1.5 baths1,851 sq ft
4618 Ewing Rd, Castro Valley, CA 94546
OPEN SAT, 1PM TO 4PM
$699,999
3 beds1 bath1,036 sq ft
19117 Parsons Ave, Castro Valley, CA 94546
OPEN SAT, 2PM TO 5PM
$549,950
3 beds2 baths1,354 sq ft
21239 Gary Dr Unit 202E, Hayward, CA 94546
OPEN SAT, 1PM TO 4PM
$1,235,000
3 beds2 baths1,581 sq ft
18747 Sandy Rd, Castro Valley, CA 94546
OPEN SAT, 1PM TO 4PM
$1,095,000
4 beds2.5 baths1,988 sq ft
16630 Cowell St, Castro Valley, CA 94578
VIDEO TOUR
$1,899,000
4 beds3.5 baths3,379 sq ft
16989 Brierly Ct, Castro Valley, CA 94546
OPEN SAT, 1PM TO 4PM
$951,800
3 beds2 baths1,509 sq ft
17494 Ehle St, Castro Valley, CA 94546
OPEN SAT, 1PM TO 4PM
$1,198,000
3 beds2 baths1,348 sq ft
2464 Mikemary Ct, Castro Valley, CA 94546
OPEN SUN, 12PM TO 3PM
$1,800,000
5 beds4 baths3,272 sq ft
3635 Corte Rubiolo, Castro Valley, CA 94546
COMING SOON
$1,075,000
3 beds2 baths1,740 sq ft
19026 Center St, Castro Valley, CA 94546
See all

Provided by Redfin

Sale history for 4178 Krolop Rd

Year

Property tax

Land + Additions

Assessment*

2025

$8,583 (+2.3%)

$198,873 + $464,037

$662,910

2024

$8,388 (+1.7%)

$198,873 + $464,037

$662,910

2023

$8,250 (+2.0%)

$194,974 + $454,939

$649,913

2022

$8,087 (+2.7%)

$187,404 + $437,276

$624,680

2021

$7,878 (+2.4%)

$187,404 + $437,276

$624,680

2020

$7,697 (−1.8%)

$183,729 + $428,702

$612,431

2019

$7,837 (+2.9%)

$181,846 + $424,308

$606,154

2018

$7,614 (+2.7%)

$178,281 + $415,990

$594,271

2017

$7,412 (+5.1%)

$171,360 + $399,840

$571,200

2016

$7,051 (+685.2%)

$171,360 + $399,840

$571,200

2015

$898 (+4.8%)

$168,000 + $392,000

$560,000

2014

$857 (+4.1%)

$20,800 + $15,400

$36,200

2013

$823 (+3.7%)

$20,800 + $15,400

$36,200

2012

$794 (+1.9%)

$20,707 + $15,331

$36,038

2011

$779 (+1.3%)

$20,301 + $15,030

$35,331

2010

$769 (+1.4%)

$19,903 + $14,735

$34,638

2009

$758 (+10.0%)

$19,754 + $14,625

$34,379

2008

$689

$19,801 + $14,660

$34,461

Tax history for 4178 Krolop Rd

Year

Property tax

Land + Additions

Assessment*

2025

$8,583 (+2.3%)

$198,873 + $464,037

$662,910

2024

$8,388 (+1.7%)

$198,873 + $464,037

$662,910

2023

$8,250 (+2.0%)

$194,974 + $454,939

$649,913

2022

$8,087 (+2.7%)

$187,404 + $437,276

$624,680

2021

$7,878 (+2.4%)

$187,404 + $437,276

$624,680

2020

$7,697 (−1.8%)

$183,729 + $428,702

$612,431

2019

$7,837 (+2.9%)

$181,846 + $424,308

$606,154

2018

$7,614 (+2.7%)

$178,281 + $415,990

$594,271

2017

$7,412 (+5.1%)

$171,360 + $399,840

$571,200

2016

$7,051 (+685.2%)

$171,360 + $399,840

$571,200

2015

$898 (+4.8%)

$168,000 + $392,000

$560,000

2014

$857 (+4.1%)

$20,800 + $15,400

$36,200

2013

$823 (+3.7%)

$20,800 + $15,400

$36,200

2012

$794 (+1.9%)

$20,707 + $15,331

$36,038

2011

$779 (+1.3%)

$20,301 + $15,030

$35,331

2010

$769 (+1.4%)

$19,903 + $14,735

$34,638

2009

$758 (+10.0%)

$19,754 + $14,625

$34,379

2008

$689

$19,801 + $14,660

$34,461

*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

0.49 Acres

Year renovated

1928

Sq. Ft.

1,224

Year built

1921

Style

Single Family Residential

County

Alameda County

APN

084D114000301

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

Oct 10, 2025 • Final

Building

Remove existing built-up roofing and install a new built-up roof on a residential building. Use the existing roof deck.

Roofing

Aug 23, 2019 • Final

Building

Repair the weatherhead and reconnect the electrical service.

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: On Site (Single Family Only)
# of Parking Total: 2

Interior

Bedrooms Information
# of Bedrooms: 2

Bathroom Information
Count of Bathrooms: 1
# of Full Bathrooms: 1

Interior Features
Has Heating
Heating: Wall Furnace
Flooring: Vinyl, Wood

Exterior

Exterior Features
Entry Level: 0

Building Information
Living Area: 1224
Living Area Units: Square Feet
Living Area Source: Assessor Auto-Fill
Building Area Total: 1224
Building Area Units: Square Feet
Building Area Source: Assessor Auto-Fill
Construction Materials: Wood, Wood Siding
Architectural Style: Cottage
Year Built: 1921
Roof: Shingle
Foundation Details: Concrete Perimeter

Mobile Home Information
Mobile Dim Units: Feet

Property Type
Property Type: Residential
Property SubType: Single Family Residence

Lot Information
Lot Features: Secluded, Shape Regular
Lot Size Sq. Ft.: 21267
Lot Size Acres: 0.4882
Lot Size Area: 21267
Lot Size Units: SqFt
Lot Size Units: Square Feet
Elevation: 0
Elevation Units: Feet

Utilities

Utility Information
Sewer: Public Sewer
Water Source: Public

Location

HOA Information
Association Fee: 0

Public facts

Beds: 2
Baths: 1.0
Sq. Ft.: 1,224
Stories: 1.0
Lot Size: 0.49 acres
Style: Single Family Residential
Year Built: 1921
Year Renovated: 1928
County: Alameda County
APN: 084D114000301

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!
1 week 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

$960,000 – $1.16M

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New listings for sale in 94546

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OPEN SAT, 2PM TO 5PM

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21239 Gary Dr Unit 202E, Hayward, CA 94546

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VIDEO TOUR

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16989 Brierly Ct, Castro Valley, CA 94546

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Home values near 4178 Krolop Rd

Data from public records.

Address	Redfin Estimate
4194 Krolop Road, Castro Valley, CA 3 Beds \| 2 Baths \| 2010 Sq. Ft.	$1,545,729
4150 Krolop Road, Castro Valley, CA 3 Beds \| 2 Baths \| 2713 Sq. Ft.	$1,599,605

Address	Redfin Estimate
4157 Krolop Road, Castro Valley, CA 3 Beds \| 2 Baths \| 1408 Sq. Ft.	$1,299,458
4156 Krolop Road, Castro Valley, CA 4 Beds \| 3.5 Baths \| 2920 Sq. Ft.	$1,667,735

Address	Redfin Estimate
4165 Krolop Road, Castro Valley, CA 3 Beds \| 2.5 Baths \| 1842 Sq. Ft.	$1,554,862
4179 Krolop Road, Castro Valley, CA 3 Beds \| 3 Baths \| 2032 Sq. Ft.	$1,527,064

Property information provided by San Francisco MLS when last listed in 2015. 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 4178 Krolop Rd

Tax history for 4178 Krolop 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 4178 Krolop Rd

More real estate resources