OFF MARKET

Off market jan 2007 for $557K

$898,042

Est. refi paymentEst. refi $3,760/mo

•

1,234

sq ft

3831 Modesto St, Castro Valley, CA 94546

About this home

Single-familyProperty Type

1950Year Built

5,100 sq ftLot Size

$728Est. Price/Sq.Ft.

1 car garageParking

Listed by Catherine Brent •DRE #01088138 • The Prudential California

Listed by Jessica Brent •DRE #01465608 • Coldwell Banker Realty

Bought with Donald Huey •DRE #01440404 • Coldwell Banker Realty

Redfin checked: a minute ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40216370

Redfin Estimate

$898,042

$341K since sold in January 2007$3,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 5.6% lower than the average sale price ($951K) of 6 comparable homes.

SOLD APR 1, 2026
$910,000
A
3 beds2 baths1,185 sq ft
21330 Tyee St, Castro Valley, CA 94546
BOUGHT WITH REDFIN SEP 30, 2026
$1,175,000
B
3 beds2 baths1,440 sq ft
19453 Vaughn Ave, Castro Valley, CA 94546
Pacific Home Brokers
SOLD SEP 24, 2026
$925,000
C
3 beds2 baths1,539 sq ft
20927 Nunes Ave, Castro Valley, CA 94546
SOLD OCT 6, 2026
$785,000
D
2 beds1.5 baths1,279 sq ft
4256 Seven Hills Rd, Castro Valley, CA 94546
SOLD MAY 18, 2026
$998,888
E
3 beds2 baths1,510 sq ft
4352 Gem Ave, Castro Valley, CA 94546
SOLD MAY 20, 2026
$915,000
F
2 beds2 baths1,081 sq ft
20024 Leroy Dr, Castro Valley, CA 94546

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Earn from this home

Sell

$636,523

Est. take-home

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Refinance

Est. cash available

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Rent

$3,384/mo

Redfin rental estimate

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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

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NEW 19 HRS AGO
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OPEN OCT 25, 12PM TO 3PM
$895,000
3 beds2 baths1,509 sq ft
17494 Ehle St, Castro Valley, CA 94546
3D WALKTHROUGH
$699,900
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$2,600,000
5 beds6 baths4,216 sq ft
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$1,490,000
4 beds2 baths1,916 sq ft
4475 Hillsborough Dr, Castro Valley, CA 94546
3D & VIDEO TOUR
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3 beds2.5 baths1,918 sq ft
20061 Santa Maria Ave, Castro Valley, CA 94546
3D & VIDEO TOUR
$1,188,000
4 beds2.5 baths2,295 sq ft
2783 Jennifer Dr, Castro Valley, CA 94546
OPEN TODAY, 3PM TO 5PM
$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
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See all

Provided by Redfin

Sale history for 3831 Modesto St

Year

Property tax

Land + Additions

Assessment*

2025

$9,592 (+2.3%)

$228,337 + $532,786

$761,123

2024

$9,378 (+1.6%)

$223,860 + $522,341

$746,201

2023

$9,227 (+2.0%)

$219,472 + $512,102

$731,574

2022

$9,049 (+2.6%)

$210,952 + $492,221

$703,173

2021

$8,817 (+2.3%)

$210,952 + $492,221

$703,173

2020

$8,615 (−1.8%)

$206,816 + $482,571

$689,387

2019

$8,773 (+2.9%)

$204,695 + $477,623

$682,318

2018

$8,524 (+2.7%)

$200,683 + $468,262

$668,945

2017

$8,300 (+5.1%)

$192,893 + $450,084

$642,977

2016

$7,897 (+18.7%)

$192,893 + $450,084

$642,977

2015

$6,652 (+5.6%)

$189,112 + $441,261

$630,373

2014

$6,301 (+26.3%)

$156,000 + $364,000

$520,000

2013

$4,989 (+3.8%)

$156,000 + $364,000

$520,000

2012

$4,806 (−1.6%)

$121,500 + $283,500

$405,000

2011

$4,883 (+4.9%)

$117,000 + $273,000

$390,000

2010

$4,655 (−22.3%)

$118,500 + $276,500

$395,000

2009

$5,987 (−10.0%)

$112,500 + $262,500

$375,000

2008

$6,650

$147,400 + $344,100

$491,500

Tax history for 3831 Modesto St

Year

Property tax

Land + Additions

Assessment*

2025

$9,592 (+2.3%)

$228,337 + $532,786

$761,123

2024

$9,378 (+1.6%)

$223,860 + $522,341

$746,201

2023

$9,227 (+2.0%)

$219,472 + $512,102

$731,574

2022

$9,049 (+2.6%)

$210,952 + $492,221

$703,173

2021

$8,817 (+2.3%)

$210,952 + $492,221

$703,173

2020

$8,615 (−1.8%)

$206,816 + $482,571

$689,387

2019

$8,773 (+2.9%)

$204,695 + $477,623

$682,318

2018

$8,524 (+2.7%)

$200,683 + $468,262

$668,945

2017

$8,300 (+5.1%)

$192,893 + $450,084

$642,977

2016

$7,897 (+18.7%)

$192,893 + $450,084

$642,977

2015

$6,652 (+5.6%)

$189,112 + $441,261

$630,373

2014

$6,301 (+26.3%)

$156,000 + $364,000

$520,000

2013

$4,989 (+3.8%)

$156,000 + $364,000

$520,000

2012

$4,806 (−1.6%)

$121,500 + $283,500

$405,000

2011

$4,883 (+4.9%)

$117,000 + $273,000

$390,000

2010

$4,655 (−22.3%)

$118,500 + $276,500

$395,000

2009

$5,987 (−10.0%)

$112,500 + $262,500

$375,000

2008

$6,650

$147,400 + $344,100

$491,500

*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

5,100 Sq. Ft.

Year renovated

1954

Sq. Ft.

1,234

Year built

1950

Style

Single Family Residential

County

Alameda County

APN

084C076800400

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 19, 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

Feb 28, 2025 • Final

Building

Install a roof-mounted solar photovoltaic system with an energy storage system. Upgrade the meter main electrical panel to 200 amps.

Battery

Electrical

Solar

Nov 5, 2020 • Final

Reroof - single family residential

Tear off and replace the existing roof on a residential building with new asphalt shingles. Install a new roof deck and recycle the old roofing material.

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: 1
Covered Spaces: 1
Parking Features: Attached, Int Access From Garage, Off Street, Garage Door Opener

Interior

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

Interior Features
Interior Features: Dining Area, Family Room, Utility Room, Tile Counters, Eat-in Kitchen, Updated Kitchen
Appliances: Dishwasher, Electric Range, Free-Standing Range, Gas Water Heater
Laundry Features: Hookups Only, Laundry Room
Street Level Features: 2 Bedrooms, 2 Baths, Laundry Facility, Main Entry
Fireplaces Total: 1
Has Fireplace
Flooring: Hardwood Flrs Throughout, Linoleum

Room Information
Kitchen Features: 220 Volt Outlet,Counter - Tile,Dishwasher,Eat In Kitchen,Electric Range/Cooktop,Range/Oven Free Standing,Updated Kitchen
Rooms Total: 5
Fireplace Features: Brick, Living Room, Wood Burning
Basement: Crawl Space

Exterior

Building Information
Construction Materials: Stucco
Building Area Total: 1,234
Foundation Details: Raised

Exterior Features
Patio And Porch Features: Deck, Patio
Exterior Features: Back Yard, Front Yard, Garden/Play
Door Features: Mirrored Closet Door(s)
Fencing: Fenced
Roof: Shingle

Property Information
Living Area: 1234
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1950

Lot Information
Lot Size Square Feet: 5100
Lot Size Units: Acres
Lot Features: Level

Utilities

Utility Information
Water Source: Public
Electric: 220 Volts in Kitchen
Sewer: Public Sewer

Heating & Cooling
Has Heating
Heating: Floor Furnace, Natural Gas

Location

School Information
High School District: Castro Valley (510) 537-3000

Public facts

Beds: 2
Baths: 2.0
Sq. Ft.: 1,234
Stories: 1.0
Lot Size: 5,100 square feet
Style: Single Family Residential
Year Built: 1950
Year Renovated: 1954
County: Alameda County
APN: 084C076800400

Home facts updated by county records on Sep 19, 2026

Around this home

Schools

Marshall Elementary School

Public K-5 • Assigned • 0.3mi

9/10

Creekside Middle School

Public 6-8 • Assigned • 0.8mi

10/10

Castro Valley High School

Public 9-12 • Assigned • 0.5mi

9/10

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

3/10 Fire Factor

0.46% chance of being 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

$854,000 – $1.03M

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Home values near 3831 Modesto St

Data from public records.

Address	Redfin Estimate
3872 Modesto St, Castro Valley, CA 3 Beds \| 2 Baths \| 1653 Sq. Ft.	$1,048,461
3855 Modesto St, Castro Valley, CA 3 Beds \| 2 Baths \| 1476 Sq. Ft.	$937,821

Address	Redfin Estimate
3856 Modesto St, Castro Valley, CA 3 Beds \| 2 Baths \| 1575 Sq. Ft.	$1,078,140
3807 Modesto St, Castro Valley, CA 2 Beds \| 1 Baths \| 1059 Sq. Ft.	$670,562

Address	Redfin Estimate
3847 Modesto St, Castro Valley, CA 2 Beds \| 1 Baths \| 1059 Sq. Ft.	$790,153
3839 Modesto St, Castro Valley, CA 3 Beds \| 2 Baths \| 1392 Sq. Ft.	$950,272

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2006. 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 3831 Modesto St

Tax history for 3831 Modesto St

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 3831 Modesto St

More real estate resources