OFF MARKET

Off Market Aug 2008 for $805K

$1,639,030

Est. refi paymentEst. refi $3,782/mo

•

2,877

sq ft

18138 Lamson Rd, Castro Valley, CA 94546

About this home

Single-familyProperty Type

1993Year Built

10,233 sq ftLot Size

$570Est. Price/Sq.Ft.

3 car garageParking

Listed by Peter Wardhana •DRE #01006078 • Keller Williams Tri-Valley

Bought with Claudia Bowman •DRE #00911870 • Coldwell Banker Realty

Redfin checked: 2 minutes ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40347138

Redfin Estimate

$1,639,030

$834K since sold in August 2008$7,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 19.9% higher than the average sale price ($1.37M) of 6 comparable homes.

SOLD MAR 20, 2026
$1,362,000
A
3 beds2.5 baths2,391 sq ft
18153 Plymouth Dr, Castro Valley, CA 94546
SOLD AUG 10, 2026
$1,330,000
B
4 beds2 baths2,864 sq ft
4515 Ewing Rd, Castro Valley, CA 94546
SOLD AUG 27, 2026
$1,301,000
C
3 beds2 baths2,003 sq ft
16982 Hinton St, Castro Valley, CA 94546
SOLD JAN 7, 2026
$1,335,000
D
3 beds2.5 baths2,018 sq ft
17838 Walnut Rd, Castro Valley, CA 94546
SOLD MAY 29, 2026
$1,570,000
E
4 beds2.5 baths2,668 sq ft
4473 Hillsborough Dr, Castro Valley, CA 94546
SOLD MAY 29, 2026
$1,305,000
F
4 beds2.5 baths2,077 sq ft
4977 Proctor Rd, Castro Valley, CA 94546

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Earn from this home

Sell

$1,203,981

Est. take-home

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Refinance

Est. cash available

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Rent

$4,603/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

$750,000
2 beds1 bath906 sq ft
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OPEN SAT, 1PM TO 4PM
$1,899,900
4 beds2.5 baths3,064 sq ft
4571 Ewing Rd, Castro Valley, CA 94546
OPEN SAT, 1PM TO 4PM
$1,090,000
3 beds2 baths1,371 sq ft
3443 Brookdale Blvd, Castro Valley, CA 94546
$769,000
5 beds2 baths1,920 sq ft
16871 Ehle St, Castro Valley, CA 94578
OPEN SUN, 2PM TO 4:30PM
$1,499,000
5 beds4 baths2,687 sq ft
18977 Patton Dr, Castro Valley, CA 94546
OPEN SAT, 1PM TO 4PM
$795,000
3 beds1 bath1,104 sq ft
22341 N 6th St, Castro Valley, CA 94546
OPEN SAT, 1PM TO 4PM
$599,950
2 beds2.5 baths866 sq ft
20115 Redwood Rd #15, Castro Valley, CA 94546
HOT HOME
$878,000
3 beds1 bath1,092 sq ft
19656 San Miguel Ave, Castro Valley, CA 94546
OPEN SAT, 1:30PM TO 4PM
$999,000
3 beds2.5 baths1,960 sq ft
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OPEN SUN, 12PM TO 1PM
$899,950
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See all

Provided by Redfin

Sale history for 18138 Lamson Rd

Year

Property tax

Land + Additions

Assessment*

2025

$13,018 (+2.2%)

$310,972 + $725,602

$1,036,574

2024

$12,734 (+1.6%)

$310,972 + $725,602

$1,036,574

2023

$12,540 (+1.9%)

$304,876 + $711,379

$1,016,255

2022

$12,307 (+2.6%)

$293,040 + $683,762

$976,802

2021

$11,995 (+2.3%)

$293,040 + $683,762

$976,802

2020

$11,723 (−1.9%)

$287,295 + $670,356

$957,651

2019

$11,944 (+2.9%)

$284,351 + $663,487

$947,838

2018

$11,607 (+2.7%)

$278,777 + $650,481

$929,258

2017

$11,303 (+5.1%)

$267,953 + $625,225

$893,178

2016

$10,755 (+9.2%)

$267,953 + $625,225

$893,178

2015

$9,847 (+3.6%)

$262,701 + $612,969

$875,670

2014

$9,504 (+5.4%)

$241,800 + $564,200

$806,000

2013

$9,016 (+8.8%)

$241,800 + $564,200

$806,000

2012

$8,289 (−5.0%)

$229,200 + $534,800

$764,000

2011

$8,730 (−4.4%)

$210,000 + $490,000

$700,000

2010

$9,130 (+8.6%)

$220,500 + $514,500

$735,000

2009

$8,406 (+43.1%)

$231,000 + $539,000

$770,000

2008

$5,875

$211,200 + $492,800

$704,000

Tax history for 18138 Lamson Rd

Year

Property tax

Land + Additions

Assessment*

2025

$13,018 (+2.2%)

$310,972 + $725,602

$1,036,574

2024

$12,734 (+1.6%)

$310,972 + $725,602

$1,036,574

2023

$12,540 (+1.9%)

$304,876 + $711,379

$1,016,255

2022

$12,307 (+2.6%)

$293,040 + $683,762

$976,802

2021

$11,995 (+2.3%)

$293,040 + $683,762

$976,802

2020

$11,723 (−1.9%)

$287,295 + $670,356

$957,651

2019

$11,944 (+2.9%)

$284,351 + $663,487

$947,838

2018

$11,607 (+2.7%)

$278,777 + $650,481

$929,258

2017

$11,303 (+5.1%)

$267,953 + $625,225

$893,178

2016

$10,755 (+9.2%)

$267,953 + $625,225

$893,178

2015

$9,847 (+3.6%)

$262,701 + $612,969

$875,670

2014

$9,504 (+5.4%)

$241,800 + $564,200

$806,000

2013

$9,016 (+8.8%)

$241,800 + $564,200

$806,000

2012

$8,289 (−5.0%)

$229,200 + $534,800

$764,000

2011

$8,730 (−4.4%)

$210,000 + $490,000

$700,000

2010

$9,130 (+8.6%)

$220,500 + $514,500

$735,000

2009

$8,406 (+43.1%)

$231,000 + $539,000

$770,000

2008

$5,875

$211,200 + $492,800

$704,000

*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

10,233 Sq. Ft.

Year renovated

2000

Sq. Ft.

2,877

Year built

1993

Style

Single Family Residential

County

Alameda County

APN

084D117304600

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

Dec 7, 2023 • Final

Building

Remodel a single-family home according to plans and calculations. Replace and reconfigure the rear deck, and replace windows and a sliding door.

Remodel

Aug 16, 2023 • Final

Building

Install a roof-mounted solar photovoltaic system with solar modules, inverters, and a battery storage system. The project includes the installation of a backup gateway, AC combiner, disconnect switch, and a battery load center.

Battery

Electrical

Solar

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: 3
Covered Spaces: 3
Parking Features: Attached, Int Access From Garage, Side Yard Access, Garage Door Opener

Interior

Virtual Tour

Bathroom Information
# of Bathrooms Total: 3
# of Bathrooms Full: 3
Other Bathrooms Included Features: Shower Over Tub, Stall Shower, Tile
Primary Bathroom Included Features: Stall Shower, Tile, Tub

Interior Features
Interior Features: Bonus/Plus Room, Den, Formal Dining Room, Workshop, Breakfast Bar, Stone Counters, Tile Counters, Kitchen Island, Pantry, Updated Kitchen
Appliances: Dishwasher, Double Oven, Gas Range, Oven, Trash Compactor, Gas Water Heater
Laundry Features: Laundry Room
Upper Level Features: 3 Bedrooms, 2 Baths, Primary Bedrm Suite - 1, Laundry Facility
Street Level Features: 1 Bath, Main Entry
Window Features: Window Coverings
Fireplaces Total: 3
Has Fireplace
Flooring: Hardwood, Tile, Carpet

Room Information
Kitchen Features: Breakfast Bar,Counter - Stone,Counter - Tile,Dishwasher,Double Oven,Gas Range/Cooktop,Island,Oven Built-in,Pantry,Trash Compactor,Updated Kitchen
Rooms Total: 9
Fireplace Features: Brick, Den, Living Room

Exterior

Building Information
Construction Materials: Wood Shingles, Wood Siding
Building Area Total: 2,877
Foundation Details: Raised

Exterior Features
Patio And Porch Features: Deck, Patio
Exterior Features: Back Yard, Front Yard, Side Yard
Fencing: Fenced
Roof: Shingle

Property Information
Living Area: 2877
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1993

Lot Information
Lot Size Square Feet: 10233
Lot Size Area: 0.23
Lot Size Units: Acres
Lot Size Acres: 0.23
Lot Features: Premium Lot, Secluded
Zoning: 1001

Utilities

Utility Information
Water Source: Public
Sewer: Public Sewer

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

Location

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

Public facts

Beds: 3
Baths: 3.0
Sq. Ft.: 2,877
Stories: 2.0
Lot Size: 10,233 square feet
Style: Single Family Residential
Year Built: 1993
Year Renovated: 2000
County: Alameda County
APN: 084D117304600

Home facts updated by county records on Jul 27, 2026

Around this home

Schools

Chabot Elementary School

Public K-5 • Assigned • 0.6mi

9/10

Creekside Middle School

Public 6-8 • Assigned • 1.7mi

10/10

Castro Valley High School

Public 9-12 • Assigned • 0.8mi

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
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...
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

0.46% 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

$1.56M – $1.89M

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Home values near 18138 Lamson Rd

Data from public records.

Address	Redfin Estimate
18240 Lamson Road, Castro Valley, CA 3 Beds \| 2 Baths \| 1316 Sq. Ft.	$1,096,915
18134 Lamson Road, Castro Valley, CA 5 Beds \| 4 Baths \| 3534 Sq. Ft.	$1,924,533

Address	Redfin Estimate
18255 Lamson Road, Castro Valley, CA 3 Beds \| 2 Baths \| 2150 Sq. Ft.	$1,324,350
18248 Lamson Road, Castro Valley, CA 3 Beds \| 3 Baths \| 1696 Sq. Ft.	$1,314,187

Address	Redfin Estimate
18131 Lamson Road, Castro Valley, CA 3 Beds \| 1 Baths \| 1187 Sq. Ft.	$952,465
18129 Lamson Road, Castro Valley, CA 5 Beds \| 4 Baths \| 2865 Sq. Ft.	$1,616,108

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2008. 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 18138 Lamson Rd

Tax history for 18138 Lamson 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 18138 Lamson Rd

More real estate resources