Alameda County property record for 18083 Lamson Rd, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,550 sqft · built 1957 |
| Lot Size | 0.178 acres (7,735 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $2,328 (2025) |
| Deeds & Mortgages | Feb 2019 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 84D-1241-2 |
| Primary APN | 84D-1241-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,550 sqft Living Area |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1958 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 7,735 sqft (0.178 acres) |
| Street Address | 18083 LAMSON RD |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-1347 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00002 BLK: TR: 1653 |
| Legal Tract | 1653 |
| Legal Lot Number | 2 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 430300 |
18083 Lamson Rd is owner-occupied and held in a trust since January 2019.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 4618 EWING RD, CASTRO VALLEY, CA 94546-1016 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jan 24, 2019 |
| Transfer Doc | 0000026773 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Feb 8, 2019 |
| Property Address | 18083 LAMSON RD, CASTRO VALLEY, CA 94546-1347 |
| Document Number | 0000026773 |
| Instrument Date | Jan 24, 2019 |
| Instrument | 26773 |
| Transaction Type | Transfer |
| Record Updated | Mar 1, 2019 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 4618 EWING RD CASTRO VALLEY CA 945461016, CASTRO VALLEY, CA 94546-1016 |
The 2025 property tax bill for 18083 Lamson Rd was $2,328 with a homeowner's exemption.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | Castro Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $126,289 (-3.36%) Land $68,646 Building $64,643 | ||
| 2025 | $2,328.00 Homeowner's exemption | $130,676 Land $67,301 Building $63,375 | |
| 2023 | $2,203.00 Homeowner's exemption | $125,603 Land $64,688 Building $60,915 | $1,024,110 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 18083 Lamson Rd in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 1 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 18083 Lamson Rd is moderate, ranking above 46% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 46% of the US · lower than 72% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 666 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Networks, T-Mobile, Unwired.
5G (outdoors only) and 4G LTE
Search by:
By searching, you agree to: Terms • Privacy • Disclosures