Alameda County  »  18240 Lamson Rd

18240 Lamson Road, Castro Valley, CA 94546 Property Information

18240 Lamson Road, Castro Valley, CA 94546 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Photo & Map Show Hide

18240 Lamson Road, Castro Valley, CA 94546
static Mapbox map

Address

Primary address 18240 Lamson Road, Castro Valley
Zip code 94546
County Alameda
Parcel ID 84D-1173-27

Sales & Tax Overview for 18240 Lamson Road, Castro Valley

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Current property tax $2,132

Lot & Building Information for 18240 Lamson Road, Castro Valley

Building sqft 1,316
Building class Single Family Residential Homes Used as Such (1100)
Acreage 0.31
Units 1
Year built 1939
Stories 2
Bedrooms 3
Bathrooms 2
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now

Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Single Family Residential (R1-BE-CSU-R)
School district Castro Vly Unif SCH

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 18240 Lamson Road, Castro Valley

Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:

  • • Improvements for 18240 Lamson Road, Castro Valley , including their type, square footage, grade and when they were built.
  • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
Unlock all property data with a free account.
Sign up

About 18240 Lamson Road, Castro Valley

What is the year built & the total sq. ft. for 18240 Lamson Road, Castro Valley, CA 94546?

18240 Lamson Road, Castro Valley, CA 94546 was built in 1939 and has a total of 1,316 square feet.

What is the assessed value of 18240 Lamson Road, Castro Valley, CA 94546 and the property tax paid?

Assessed at $190,192, the tax amount paid for 18240 Lamson Road, Castro Valley, CA 94546 is $2,213.

When was 18240 Lamson Road, Castro Valley, CA 94546 last sold?

18240 Lamson Road, Castro Valley, CA 94546 was last sold in 02/05/2015.

Ownership Information

View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.

Real Estate Reports:
Lucian Alixandrescu, May 27, 2026 NYC Office Market Ahead of National Curve: Manhattan Q1 Vacancy Drops to 13.1% 
New York City’s office market outpaced the U.S. on several major metrics in Q1, with Manhattan vacancy nearly 5 percentage points below the national benchmark, asking rents climbing against a downward national trend and flex inventory crossing 15 million square feet.
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Past Sales & Property History for 18240 Lamson Road, Castro Valley

Create a free account to view the complete sales history for 18240 Lamson Road, Castro Valley, including title documents, transfer conditions, mortgages and liens.

No recorded sales for this property.

Title Documents for 18240 Lamson Road, Castro Valley

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2 Maturity Document Doc image
03/30/2021 Deed of trust 04/01/2036
02/05/2015 Grant Deed
12/05/2014 Affidavit of Death
               
               
Unlock title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 18240 Lamson Road, Castro Valley

Access detailed property tax data for 18240 Lamson Road, Castro Valley, CA 94546. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Base tax $2,214
Current property tax $2,132
Market value $190,192

Assessment History for 18240 Lamson Road, Castro Valley

Here's the assessment & property tax history for 18240 Lamson Road, Castro Valley, including the evolution of the total tax rate and corresponding property tax.

Year Assessment value Total tax rate Property tax Year over year change
2025-2026 $190,192 1.164 $2,214 +0.69%
2024-2025 $186,463 1.1791 $2,199 -48.84%
2023-2024 $182,807 2.3508 $4,297 +101.36%
2022-2023 $179,223 1.1908 $2,134 +2.51%
2021-2022 $175,709 1.1848 $2,082 +2.30%

Permits for 18240 Lamson Road, Castro Valley

The complete history of permits filed for 18240 Lamson Road, Castro Valley, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Data not available for this property.

Castro Valley residential market stats

Median Sale Price
$989,000
-8.4% YoY
Median Price/Sqft
$669
3.4% YoY
Alameda County Median Sale Price
$965,000
-7.1% YoY

Access a detailed real estate market overview of Castro Valley so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Castro Valley and compare it to other neighborhoods in Alameda County.

Check out recently sold homes in Castro-Valley and see how their prices compare.

Risk

Create a free account to unlock extended information for 18240 Lamson Road, Castro Valley, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

FEMA flood zone(s) X (See more on map)
Fire hazard zone See more on map
Faults and tsunami inundation zone map
Landslides and liquefaction map

Transportation

Access the detailed traffic volume map for 18240 Lamson Road, Castro Valley to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

View daily traffic map

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Castro Valley Virtual Academy 7 Public K-12 67 0.43
The Montessori Giving Tree NR Private K-6 7 0.45
Chabot Elementary School 8 Public K-5 470 0.59
Proctor Elementary School 8 Public K-5 584 0.61
Anchor Education, Inc. NR Private 3-12 18 0.66

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Castro Valley Virtual Academy 7 Public K-12 67 0.43
Anchor Education, Inc. NR Private 3-12 18 0.66
Sterling West San Francisco Campus NR Private 3-11 27 0.67
Anchor Education, Inc. School NR Private 3-12 0 0.67
Redwood Christian Schools NR Private K-12 706 0.77

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Castro Valley Virtual Academy 7 Public K-12 67 0.43
Redwood Continuation High School 3 Public 9-12 122 0.43
Roy A. Johnson High School NR Public 9-12 24 0.43
Anchor Education, Inc. NR Private 3-12 18 0.66
Sterling West San Francisco Campus NR Private 3-11 27 0.67

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 18240 Lamson Road, Castro Valley

Here are the neighbors for 18240 Lamson Road, Castro Valley.

Address Square feet Purchase date Purchase price
18624 Capricorn CT, Castro Valley 2,344 10/20/2015 $949,500
18646 Capricorn CT, Castro Valley 1,974 03/15/2019 $875,000
18690 Capricorn CT, Castro Valley 2,077 05/22/2018 $987,500
18137 Almond Rd, Castro Valley 1,452 01/31/2022 $1,006,000
18775 Almond Rd, Castro Valley 1,082 02/23/2005
18128 Lamson Rd, Castro Valley 1,127
18558 Capricorn CT, Castro Valley 2,429 05/05/2008
18712 Capricorn CT, Castro Valley 1,872 09/04/2025
18823 Almond Rd, Castro Valley 3,844 06/06/2008 $650,000
18610 Lamson Rd, Castro Valley 3,451 11/05/2018
18463 Almond Rd, Castro Valley 2,156 04/15/2016 $900,000
3712 Seven Hills Rd, Castro Valley 1,774 05/14/2024 $1,550,000
18138 Lamson Rd, Castro Valley 2,877 08/20/2008 $805,000
18248 Lamson Rd, Castro Valley 1,696 01/13/2020 $840,000
18580 Capricorn CT, Castro Valley 1,614 05/31/2022 $1,360,000
18601 Capricorn CT, Castro Valley 2,077 02/27/2014
18681 Almond Rd, Castro Valley 3,205 10/17/2023
18779 Almond Rd, Castro Valley 2,094 08/22/2007
18536 Capricorn CT, Castro Valley 2,243 08/28/1998
18602 Capricorn CT, Castro Valley 2,356 07/26/2018

Nearby ZIP Codes for 18240 Lamson Road, Castro Valley

Not sure if we cover all the data-points you need? View sample full report View sample full report