Off market jan 2020 for $1.1M

$1,555,768

•

3,200

sq ft

4831 Proctor, Castro Valley, CA 94546

About this home

Massive Opportunity at the " top of the hill" in Castro Valley. A well located 3BD/2BA home with separate 2 car garage/Shed on the front lot with two additional developable lots! Totals nearly an acre of land (41,676 Sq. Ft.) combined for endless possibilities. Turn this into a development project with three single family homes plus an ADU (On largest rear lot) or a private family estate as you see fit. Gorgeous views and plenty of space to roam or build. Close to Lake Chabot Regional Park trails and the wonderful Castro Valley schools. These opportunities do not come up often so act now!

Single-familyProperty Type

$486Est. Price/Sq.Ft.

2 garage spacesParking

Listed by Karen Knox •DRE #01049881 • A.C. Goldt Realty

Bought with Gilbert Dair •DRE #01329409 • Vanguard Properties

Bought with Karen Knox •DRE #01049881 • A.C. Goldt Realty

Redfin checked: 3 minutes ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40868632

Redfin Estimate

$1,555,768

$456K since sold in January 2020$1,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 26.4% higher than the average sale price ($1.23M) of 6 comparable homes.

SOLD AUG 11, 2026
$1,300,000
A
4 beds2 baths1,525 sq ft
4486 Lawrence Dr, Castro Valley, CA 94546
SOLD JUL 1, 2026
$1,310,000
B
3 beds2 baths1,340 sq ft
4880 Mancini Dr, Castro Valley, CA 94546
SOLD APR 1, 2026
$1,100,000
C
4 beds2 baths1,414 sq ft
18320 Pepper St, Castro Valley, CA 94546
SOLD MAR 27, 2026
18028 Almond Rd, Castro Valley, CA 94546
$1,178,000
D
3 beds2 baths2,146 sq ft
18028 Almond Rd, Castro Valley, CA 94546
SOLD MAY 12, 2026
$1,430,000
E
3 beds2 baths1,528 sq ft
19113 San Miguel Ave, Castro Valley, CA 94546
SOLD NOV 3, 2025
$1,068,000
F
3 beds2 baths1,415 sq ft
4859 Seaview Ave, Castro Valley, CA 94546

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Earn from this home

Sell

$711,090

Est. take-home

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Rent

$5,494/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

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

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See all

Provided by Redfin

Sale history for 4831 Proctor

Year

Property tax

Land + Additions

Assessment*

2025

$14,042 (−1.4%)

$234,255 + $886,030

$1,120,285

2024

$14,245 (+13.7%)

$229,662 + $868,660

$1,098,322

2023

$12,526 (+19.7%)

$225,159 + $894,368

$1,119,527

2022

$10,463 (+15.9%)

$216,417 + $547,974

$764,391

2021

$9,028 (+644.0%)

$216,417 + $547,974

$764,391

2020

$1,214 (−0.6%)

$212,175 + $495,076

$707,251

2019

$1,221 (+3.5%)

$16,016 + $33,851

$49,867

2018

$1,180 (+2.8%)

$15,702 + $33,187

$48,889

2017

$1,148 (+5.3%)

$15,092 + $31,899

$46,991

2016

$1,090 (+7.0%)

$15,092 + $31,899

$46,991

2015

$1,019 (+4.4%)

$14,796 + $31,273

$46,069

2014

$976 (+3.6%)

$14,289 + $30,201

$44,490

2013

$942 (+3.4%)

$14,289 + $30,201

$44,490

2012

$911 (+1.8%)

$14,224 + $30,064

$44,288

2011

$895 (+1.2%)

$13,945 + $29,475

$43,420

2010

$885 (−7.3%)

$13,672 + $28,897

$42,569

2009

$954

$13,570 + $28,681

$42,251

2008

$13,602 + $28,749

$42,351

Tax history for 4831 Proctor

Year

Property tax

Land + Additions

Assessment*

2025

$14,042 (−1.4%)

$234,255 + $886,030

$1,120,285

2024

$14,245 (+13.7%)

$229,662 + $868,660

$1,098,322

2023

$12,526 (+19.7%)

$225,159 + $894,368

$1,119,527

2022

$10,463 (+15.9%)

$216,417 + $547,974

$764,391

2021

$9,028 (+644.0%)

$216,417 + $547,974

$764,391

2020

$1,214 (−0.6%)

$212,175 + $495,076

$707,251

2019

$1,221 (+3.5%)

$16,016 + $33,851

$49,867

2018

$1,180 (+2.8%)

$15,702 + $33,187

$48,889

2017

$1,148 (+5.3%)

$15,092 + $31,899

$46,991

2016

$1,090 (+7.0%)

$15,092 + $31,899

$46,991

2015

$1,019 (+4.4%)

$14,796 + $31,273

$46,069

2014

$976 (+3.6%)

$14,289 + $30,201

$44,490

2013

$942 (+3.4%)

$14,289 + $30,201

$44,490

2012

$911 (+1.8%)

$14,224 + $30,064

$44,288

2011

$895 (+1.2%)

$13,945 + $29,475

$43,420

2010

$885 (−7.3%)

$13,672 + $28,897

$42,569

2009

$954

$13,570 + $28,681

$42,251

2008

$13,602 + $28,749

$42,351

*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

0.25 Acres

Year renovated

2022

Sq. Ft.

3,200

Year built

1948

Style

Single Family Residential

County

Alameda County

APN

084D119001900

Parking Spaces

Basement

Accessible

HOA Dues

—

Garage

Yes

Features

—

Last updated by owner on Jan 6, 2025.

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 22, 2021 • Final

Building

Convert an existing detached garage into an accessory dwelling unit consisting of one bedroom and one bathroom. Construct a new covered front porch with retaining walls.

ADU

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

Parking

Parking Information
Garage Spaces: 2
Covered Spaces: 2
Parking Features: Detached

Interior

Bathroom Information
# of Bathrooms Total: 2
# of Bathrooms Full: 2

Interior Features
Interior Features: Storage, Workshop
Appliances: Dishwasher, Disposal, Gas Range, Refrigerator
Laundry Features: Dryer, Washer
Fireplaces Total: 1
Has Fireplace
Flooring: Laminate, Linoleum, Wood

Room Information
Kitchen Features: Dishwasher,Garbage Disposal,Gas Range/Cooktop,Refrigerator
Rooms Total: 5

Exterior

Building Information
Building Area Total: 1,430

Exterior Features
Patio And Porch Features: Patio, Covered
Exterior Features: Back Yard, Front Yard, Garden/Play, Storage
Fencing: Fenced

Property Information
Living Area: 1430
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1948

Lot Information
Other Structures: Shed(s)
Lot Size Square Feet: 41676
Lot Size Area: 0.9567
Lot Size Units: Acres
Lot Size Acres: 0.9567
Lot Features: Premium Lot

Utilities

Utility Information
Sewer: Public Sewer

Heating & Cooling
Has Heating
Heating: Electric

Public facts

Beds: 7
Baths: 5.0
Sq. Ft.: 3,200
Stories: 1.5
Parking Spaces: 7
Basement: No
Accessible: No
Lot Size: 0.25 acres
Style: Single Family Residential
Year Built: 1948
Year Renovated: 2022
County: Alameda County
APN: 084D119001900
HOA Dues: —
Garage: Yes
Features: —

Home facts updated by owner on Jan 6, 2025

Around this home

Schools

Proctor Elementary School

Public K-5 • Assigned • 0.3mi

9/10

Creekside Middle School

Public 6-8 • Assigned • 1.6mi

10/10

Castro Valley High School

Public 9-12 • Assigned • 0.9mi

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 days 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

0.62% 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

$1.48M – $1.79M

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Home values near 4831 Proctor

Data from public records.

Address	Redfin Estimate
4788 Proctor Rd, Castro Valley, CA 3 Beds \| 1 Baths \| 1044 Sq. Ft.	$1,269,266
4869 Proctor Rd, Castro Valley, CA 3 Beds \| 1 Baths \| 1462 Sq. Ft.	$968,900

Address	Redfin Estimate
4822 Proctor Rd, Castro Valley, CA 5 Beds \| 3.5 Baths \| 2929 Sq. Ft.	$1,431,563
4853 Proctor Rd, Castro Valley, CA 3 Beds \| 2.5 Baths \| 2599 Sq. Ft.	$1,562,079

Address	Redfin Estimate
4793 Proctor Rd, Castro Valley, CA 3 Beds \| 2 Baths \| 1527 Sq. Ft.	$1,172,295
4845 Proctor Rd, Castro Valley, CA 3 Beds \| 2 Baths \| 1402 Sq. Ft.	$1,302,637

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2019. This data may not show owner updates. 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 4831 Proctor

Tax history for 4831 Proctor

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 4831 Proctor

More real estate resources