Santa Clara County property record for 645 Nicholson Ave, Santa Clara, CA 95051
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,254 sqft · built 1955 |
| Lot Size | 0.136 acres (5,940 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $906 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 294-25-036 |
| Primary APN | 294-25-036 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,254 sqft Living Area |
| 1st Floor Area | 1,254 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,940 sqft (0.136 acres) |
| Lot Dimensions | 99 ft deep x 60 ft wide |
| Garage Area | 438 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Heating System | HVAC |
|---|
| Street Address | 645 NICHOLSON AVE |
|---|---|
| City | SANTA CLARA |
| State | CA |
| Zip | 95051-6208 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 1409 MARIPOSA GARDENS BOOK 55 PAGE 28 PAGE 29 LOT 402 |
| Legal Subdivision | MARIPOSA GARDENS |
| Legal Tract | 1409 |
| Legal Lot Number | 402 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 1 |
| Census Block | 1012 |
| Census Tract | 506102 |
645 Nicholson Ave is owner-occupied and held in a trust since February 2009.
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 | Trust Name on File |
|---|---|
| Mailing Address | 645 NICHOLSON AVE, SANTA CLARA, CA 95051-6208 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Feb 17, 2009 |
| Transfer Doc | 0020143806 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 645 Nicholson Ave was $906 with a homeowner's exemption.
Source: Santa Clara County assessment roll, as of July 27, 2026
| Type | Name |
|---|---|
| State | California |
| County | Santa Clara County |
| Municipality | Santa Clara City |
| Unified School District | Santa Clara Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $72,511 (+2%) Land $32,487 Building $40,024 | |
| 2025 | $906.00 Homeowner's exemption | $71,090 Land $31,850 Building $39,240 |
| 2023 | $862.00 (+1.17%) Homeowner's exemption | $68,331 Land $30,614 Building $37,717 |
| 2022 | $852.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 645 Nicholson Ave in Zone X, an area of moderate flood risk, though there have been 3 flood claims nearby since 1989.
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 |
| Flood Insurance Cost | Premium on File median of 49 individual policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 89 units insured incl. 40 condo units |
| Nearby Flood Claims | 3 (1989–2023) |
| Most Recent Claim | Dec 2023 |
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.
The area around 645 Nicholson Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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 | CITY OF SANTA CLARA serves 134,587 people · EPA ID CA4310012 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Sep 2025 |
| Lead | 3 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 705 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Sail Internet.
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