Santa Clara County property record for 587 Lassen St, Los Altos, CA 94022
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 2.5 ba · 1,363 sqft · built 1985 |
| Lot Size | 0.031 acres (1,350 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,770,000 (May 2023) |
| Tax Bill | $23,036 (2025) |
| Deeds & Mortgages | May 2023 Transfer May 2023 Sale |
| Flood Zone | Zone X (moderate risk) |
| APN | 170-38-070 |
| Primary APN | 170-38-070 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 4 Rooms |
| Stories | 2 Stories |
| Building Area | 1,363 sqft Living Area |
| 1st Floor Area | 621 sqft |
| 2nd Floor Area | 742 sqft |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 1,350 sqft (0.031 acres) |
| Lot Dimensions | 45 ft deep x 30 ft wide |
| Garage Area | 246 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Heating System | HVAC |
|---|
| Street Address | 587 LASSEN ST |
|---|---|
| City | LOS ALTOS |
| State | CA |
| Zip | 94022-3911 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | R318 |
| Legal Description | TRACT 7755 BOOK 554 PAGE 34 PAGE 36 |
| Legal Tract | 7755 |
| Legal Lot Number | A |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 2 |
| Census Block | 2042 |
| Census Tract | 510300 |
Source: Santa Clara County records, as of July 27, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 587 LASSEN ST, LOS ALTOS, CA 94022-3911 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| May 31, 2023 | Affidavit of Death of Joint Tenant, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| May 31, 2023 | Grant Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 31, 2023 · Amount on Record |
| Deed Sale | May 31, 2023 · Amount on Record |
| Prior Sale | May 26, 2006 · Amount on Record |
| Deed Document Number | 202325481413 |
| Prior Transfer Date | Dec 6, 1993 |
| Prior Transfer Doc | 0012305671 |
| Record Updated | Oct 29, 2026 |
| Document Type | Affidavit of Death of Joint Tenant |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Recording Date | May 31, 2023 |
| Property Address | 587 LASSEN ST, LOS ALTOS, CA 94022-3911 |
| Document Number | 0025481412 |
| Map Reference | MB 554 PG 34-36 |
| Instrument Date | May 26, 2023 |
| Instrument | 25481412 |
| Transaction Type | Transfer |
| Record Updated | Jun 8, 2023 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 877 MADISON ST, MONTEREY, CA 93940-2279 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Recording Date | May 31, 2023 |
| Property Address | 587 LASSEN ST, LOS ALTOS, CA 94022-3911 |
| Document Number | 0025481413 |
| Map Reference | MB 554 PG 34-36 |
| Instrument Date | May 24, 2023 |
| Instrument | 25481413 |
| Transaction Type | Transfer |
| Record Updated | Jun 8, 2023 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 587 LASSEN ST, LOS ALTOS, CA 94022-3911 |
Source: Santa Clara County assessment roll, as of July 27, 2026
| Type | Name |
|---|---|
| State | California |
| County | Santa Clara County |
| Municipality | Los Altos City |
| Elementary School District | Los Altos Elementary School District (KG - 08) |
| Secondary School District | Mountain View-Los Altos Union School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,620,000 (-12.03%) Land $810,000 Building $810,000 | |
| 2025 | $23,036.00 (+4.91%) Homeowner's exemption | $1,841,508 (+70.97%) Land $920,754 Building $920,754 |
| 2024 | $21,958.00 (+59.82%) | |
| 2023 | $13,739.00 (+1.06%) | $1,077,074 Land $538,537 Building $538,537 |
| 2022 | $13,595.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective January 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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 | CWSC LOS ALTOS SUBURBAN private · serves 63,559 people · EPA ID CA4310001 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Aug 2024 |
| Lead | 2 ppb (2023–2025) 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.
Source: FCC Broadband Data Collection, based on 373 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Cruzio Fixed Wireless | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| Ridge Wireless Fixed Wireless | 100 / 60 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: GeoLinks, Los Altos Hills Community Fiber, T-Mobile.
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