Santa Clara County property record for 21683 Castleton St, Cupertino, CA 95014 · Last verified October 2025
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 5 Beds |
| Bathrooms | 3 Baths |
| Year Built | Built 1966 |
| Square Footage | 2,300 sqft Living Area |
| Lot Size | 7,455 sqft (0.171 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $2,730,000 (2018) |
| Tax Bill | $36,541.00 (2025) |
| Primary APN | 356-18-066 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Building Area | 2,300 sqft Living Area |
| 1st Floor | 1,150 sqft 1st Floor |
| 2nd Floor | 1,150 sqft 2nd Floor |
| Family Room | Family Room |
| Stories | 2 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1966 |
|---|---|
| Architectural Style | Other Style |
| Construction Type | Wood Construction |
| Lot Area | 7,455 sqft (0.171 acres) |
| Depth X Width | 105 ft x 71 ft Depth x Width |
| Parking Spaces | 2 Parking Spaces |
| Garage Area | 451 sqft Garage |
| Pool Area | 3,450 sqft Pool |
| Heating System | HVAC Heating |
|---|
| Street Address | 21683 CASTLETON ST |
|---|---|
| City | CUPERTINO |
| State | CA |
| Zip | 95014-4712 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | TR 4104 LOT 97 |
| Legal Subdivision | MONTEBELLO |
| Legal Tract | 4104 |
| Legal Lot Number | 97 |
| Jurisdiction | SANTA CLARA CA |
| Minor Civil Division | SAN JOSE |
| Census Blockgroup | 2 |
| Census Block | 2006 |
| Census Tract | 507702 |
Source: Santa Clara County records · APN 356-18-066
Assessment roll updated July 1, 2025 · Last verified October 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Co-owner | Verified Secondary Owner |
| Mailing Address | 21683 CASTLETON ST, CUPERTINO, CA 95014-4712 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Feb 06, 2019 | Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA |
| Jul 11, 2018 | Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 11, 2018 · Amount on Record |
| Deed Sale | Jul 11, 2018 · Amount on Record |
| Prior Sale | Dec 04, 2013 |
| Deed Doc Number | 23973562 |
| Record Refreshed | Jun 08, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Property Address | 21683 CASTLETON ST, CUPERTINO, CA 95014-4712 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | CORNERSTONE TITLE CO |
| Name | Verified Name |
|---|
| Document Number | 0024111814 |
|---|---|
| Date | Feb 06, 2019 |
| Instrument | 24111814 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 01, 2049 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Recording Date | Jul 11, 2018 |
| Property Address | 21683 CASTLETON ST, CUPERTINO, CA 95014-4712 |
| Document Number | 0023973562 |
| Map Reference | MB220 PG12&13 |
| Instrument Date | Jul 07, 2018 |
| Instrument | 23973562 |
| Transaction Type | Transfer |
| Record Updated | Sep 01, 2021 |
| Title Company | CORNERSTONE TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 00000 |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 21683 CASTLETON ST, CUPERTINO, CA 95014-4712 |
| Document Number | 0023973563 |
|---|---|
| Date | Jul 11, 2018 |
| Instrument | 23973563 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 01, 2048 |
Source: Santa Clara County records · Assessment roll updated July 1, 2025 · Last verified October 2025
| Type | Name |
|---|---|
| State | California |
| County | Santa Clara County |
| Municipality | Cupertino City |
| Elementary School District | Cupertino Union Elementary School District (KG - 08) |
| Secondary School District | Fremont Union High School District (09 - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $36,541.00 (+3.66%) | $3,045,362 (+4.04%) Land $2,900,347 Building $145,015 |
| 2023 | $35,252.00 (+1.48%) | $2,927,109 Land $2,787,724 Building $139,385 |
| 2022 | $34,738.00 |
21683 Castleton St is in FEMA Zone X, outside the Special Flood Hazard Area, with indirect wildfire exposure (Low risk).
Source: FEMA National Flood Hazard Layer · Santa Clara County (06085C), updated January 18, 2026
| FEMA Flood Zone | Zone X moderate flood hazard · within the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Low 20th percentile of exposed land nationally · 11th in California |
|---|---|
| Wildfire Likelihood | Low — about 1 in 4,762 per year |
| Exposure | Indirect within ember reach of burnable land |
Values are read at the parcel center point; lenders make the official flood determination.
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