San Mateo County property record for 231 Windsor Dr, San Carlos, CA 94070
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,700 sqft · built 1940 |
| Lot Size | 0.1 acres (4,352 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $1,800,000 (Jul 2018) |
| Tax Bill | $24,474 (2025) |
| Deeds & Mortgages | Apr 2017 Line of Credit Apr 2017 Mortgage + 5 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 049-152-090 |
| Primary APN | 049-152-090 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,700 sqft Living Area |
| 1st Floor Area | 750 sqft |
| Family Room | Family Room |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1940 |
| Lot Area | 4,352 sqft (0.1 acres) |
| Garage Area | 460 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 231 WINDSOR DR |
|---|---|
| City | SAN CARLOS |
| State | CA |
| Zip | 94070-2821 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | SWLY 1/2 OF LOT 5 BLOCK 13 DEVONSHIRE PROPERTIES AMENDED & SUPP MAP OF SUB NO 4 RSM 13/49 TO 51 |
| Legal Subdivision | DEVONSHIRE PROPERTIES |
| Legal Block | 13 |
| Legal Lot Number | 5 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2021 |
| Census Tract | 609500 |
231 Windsor Dr is owner-occupied and held in a trust since July 2018.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 231 WINDSOR DR, SAN CARLOS, CA 94070-2821 |
| Occupancy | Owner Occupied |
| 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.
| Date | Document |
|---|---|
| Apr 4, 2017 | Deed of Trust, Mortgage · Line of Credit FIRST REPUBLIC BANK |
| Apr 4, 2017 | Deed of Trust, Mortgage · ARM FIRST REPUBLIC BANK |
| Feb 28, 2019 | Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA |
| Jun 6, 2019 | Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA |
| May 11, 2020 | Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA |
| Jul 10, 2018 | Quit Claim Deed, Transfer OLD REPUBLIC TITLE |
| Jul 6, 2018 | Grant Deed, Transfer OPES ADVISORS |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 6, 2018 · Amount on File |
| Deed Sale | Jul 6, 2018 · Amount on File |
| Prior Sale | Oct 23, 2008 · Amount on File |
| Deed Document Number | 201852573 |
| Prior Transfer Date | Jul 2, 2018 |
| Prior Transfer Doc | 0000053307 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 231 WINDSOR DR, SAN CARLOS, CA 94070-2821 |
| Transaction Type | Mortgage |
| Record Updated | Feb 7, 2021 |
| Title Company | LAWYERS TITLE OF NORCAL |
| Name | Verified Name |
|---|
| Document Number | 0000029556 |
|---|---|
| Date | Apr 4, 2017 |
| Instrument | 2017-029556 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Address | SAN FRANCISCO, CA 94111 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4% |
| Change Frequency | Monthly |
| Index | Prime Rate |
| Max Rate | 14.9% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 231 WINDSOR DR, SAN CARLOS, CA 94070-2821 |
| Transaction Type | Mortgage |
| Record Updated | Feb 7, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000029555 |
|---|---|
| Date | Apr 4, 2017 |
| Instrument | 2017-029555 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Address | SAN FRANCISCO, CA 94111 |
| Type | ARM |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | May 1, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.65% |
| Type Change Date | Jul 1, 2022 |
| Change Frequency | Monthly |
| Index | 1-Month LIBOR |
| Max Rate | 9.95% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 231 WINDSOR DR, SAN CARLOS, CA 94070-2821 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000013747 |
|---|---|
| Date | Feb 28, 2019 |
| Instrument | 2019-013747 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 355 Months |
| Due | Sep 1, 2048 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 231 WINDSOR DR, SAN CARLOS, CA 94070-2821 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000042968 |
|---|---|
| Date | Jun 6, 2019 |
| Instrument | 2019-042968 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 351 Months |
| Due | Sep 1, 2048 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 231 WINDSOR DR, SAN CARLOS, CA 94070-2821 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000041801 |
|---|---|
| Date | May 11, 2020 |
| Instrument | 2020-041801 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 343 Months |
| Due | Dec 1, 2048 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jul 10, 2018 |
| Property Address | 231 WINDSOR DR, SAN CARLOS, CA 94070-2821 |
| Document Number | 0000053307 |
| Instrument Date | Jul 2, 2018 |
| Instrument | 53307 |
| Transaction Type | Transfer |
| Record Updated | Jul 26, 2018 |
| Title Company | OLD REPUBLIC TITLE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 231 WINDSOR DR SAN CARLOS CA 940702821, SAN CARLOS, CA 94070-2821 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jul 6, 2018 |
| Property Address | 231 WINDSOR DR, SAN CARLOS, CA 94070-2821 |
| Document Number | 0000052573 |
| Instrument Date | Jun 19, 2018 |
| Instrument | 52573 |
| Transaction Type | Transfer |
| Record Updated | Jul 25, 2018 |
| Title Company | OLD REPUBLIC TITLE |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,980.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 231 WINDSOR DR SAN CARLOS CA 940702821, SAN CARLOS, CA 94070-2821 |
| Document Number | 52574 |
|---|---|
| Date | Jul 6, 2018 |
| Instrument | 52574 |
| Name | OPES ADVISORS |
|---|---|
| Address | 5151 CORPORATE DR, TROY, MI 48098-2639 |
| Amount | Amount on Record |
|---|---|
| Term | 360 Months |
| Due | Jul 5, 2048 |
The 2025 property tax bill for 231 Windsor Dr was $24,474 with a homeowner's exemption.
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Elementary School District | San Carlos Elementary School District (KG - 08) |
| Secondary School District | Sequoia Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $2,048,087 (+2%) Land $1,433,662 Building $614,425 | ||
| 2025 | $24,474.00 Homeowner's exemption | $2,007,929 Land $1,405,551 Building $602,378 | |
| 2023 | $23,271.00 (+2.69%) Homeowner's exemption | $1,929,961 Land $1,350,973 Building $578,988 | $1,503,900 |
| 2022 | $22,661.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 231 Windsor Dr in Zone X, an area of minimal flood risk, though there have been 11 flood claims nearby since 1979.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 9 (5% premium discount) |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 11 (1979–1998) |
| Claims Outside the SFHA | 7 of 11 |
| Most Recent Claim | Aug 1998 · other causes |
| Claims by Event |
|
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 231 Windsor Dr is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.8% of the US · lower than 99.8% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 | CALIFORNIA WATER SERVICE - SAN CARLOS private · serves 34,801 people · EPA ID CA4110007 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Sep 2024 |
| Lead | 6 ppb (2022–2024) 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 397 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
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