Santa Clara County property record for 273 Delphi Cir, Los Altos, CA 94022
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 3,424 sqft · built 1981 |
| Lot Size | 0.231 acres (10,040 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $11,049 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 170-12-054 |
| Primary APN | 170-12-054 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 3,424 sqft Living Area |
| 1st Floor Area | 2,284 sqft |
| 2nd Floor Area | 1,140 sqft |
| Family Room | Family Room |
| Utility Room | Utility Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1981 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 10,040 sqft (0.231 acres) |
| Lot Dimensions | 125 ft deep x 80 ft wide |
| Garage Area | 609 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Heating System | HVAC |
|---|
| Street Address | 273 DELPHI CIR |
|---|---|
| City | LOS ALTOS |
| State | CA |
| Zip | 94022-1252 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R110 |
| Legal Description | TRACT 6594 BOOK 444 PAGE 7 PAGE 8 LOT 8 |
| Legal Tract | 6594 |
| Legal Lot Number | 8 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 1 |
| Census Block | 1012 |
| Census Tract | 510400 |
Source: Santa Clara County records, as of July 27, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 18101 HARVEST LN, SARATOGA, CA 95070-3160 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Mar 5, 2003 |
| Transfer Doc | 0016916312 |
| Record Updated | Sep 20, 2026 |
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 | $831,557 (+2%) Land $405,346 Building $426,211 | |
| 2025 | $11,049.00 (+5.21%) | $815,253 (+4.04%) Land $397,399 Building $417,854 |
| 2023 | $10,502.00 (+1.55%) | $783,597 Land $381,968 Building $401,629 |
| 2022 | $10,342.00 |
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 | 3 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 453 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Cruzio Fixed Wireless | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, GeoLinks, Ridge Wireless, Sail Internet.
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