Santa Clara County property record for 630 Constanzo St, Stanford, CA 94305
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,278 sqft · built 2023 |
| Lot Size | 0.142 acres (6,184 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $42,935 (2025) |
| Flood Zone | Zone D (undetermined) |
| APN | 142-08-154 |
| Primary APN | 142-08-154 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 2,278 sqft Living Area |
| Gross Area | 2,163 sqft |
| 1st Floor Area | 1,090 sqft |
| 2nd Floor Area | 1,073 sqft |
| Year Built | Built 2023 |
|---|---|
| Effective Year Built | Effective 2023 |
| Architectural Style | H-Shape |
| Construction Type | Wood |
| Lot Area | 6,184 sqft (0.142 acres) |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 630 CONSTANZO ST |
|---|---|
| City | STANFORD |
| State | CA |
| Zip | 94305-8405 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | A1 |
| Legal Subdivision | 10510 CABRILLO DOLORES FACULTY |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 2 |
| Census Block | 2024 |
| Census Tract | 511502 |
630 Constanzo St, a single family home, is held in a trust.
Source: Santa Clara County records, as of July 27, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 630 CONSTANZO ST, STANFORD, CA 94305-8405 |
| 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 | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 630 Constanzo St was $42,935.
Source: Santa Clara County assessment roll, as of July 27, 2026
| Type | Name |
|---|---|
| State | California |
| County | Santa Clara County |
| Unified School District | Palo Alto Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $3,646,500 (+2%) Land $2,142,000 Building $1,504,500 | |
| 2025 | $42,935.00 | $3,575,000 Land $2,100,000 Building $1,475,000 |
| 2023 | $3,308.00 | $267,737 Land $27,717 Building $240,020 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 630 Constanzo St in Zone D, where flood risk has not been studied.
Source: FEMA National Flood Hazard Layer, effective January 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone D undetermined · not studied |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 10 (0% 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 630 Constanzo St is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 67% of the US · lower than 81% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | None beyond 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 | STANFORD UNIVERSITY private · serves 23,817 people · EPA ID CA4310013 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Aug 2023 |
| Also Mapped Here | SANTA CLARA VALLEY WATER DISTRICT |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | Haloacetic acids resolved · Oct 2016 |
|---|---|
| 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 66 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
May also be available: Etheric Networks.
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