San Mateo County property record for 45 Mount Vernon Ln, Atherton, CA 94027 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 9 Beds |
| Bathrooms | 4.5 Baths |
| Year Built | Built 1903 |
| Square Footage | 5,620 sqft Living Area |
| Lot Size | 1.35 acres |
| Occupancy | Owner Occupied |
| Last Sale | $2,900,000 (2003) |
| Tax Bill | $51,053.00 (2025) |
Source: San Mateo County records · APN 060-241-030
Assessment roll updated July 15, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 45 MOUNT VERNON LN, ATHERTON, CA 94027-3036 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Feb 25, 2003 · Amount on Record |
| Deed Sale | Feb 25, 2003 · Amount on Record |
| Deed Doc Number | 200348226 |
| Last Transfer Date | Nov 01, 2013 |
| Transfer Doc | 0000154962 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 45 MOUNT VERNON LN, ATHERTON, CA 94027-3036 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000087248 |
|---|---|
| Date | Nov 07, 2018 |
| Instrument | 2018-087248 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Building or Construction Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 01, 2048 |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| Municipality | Atherton Town |
| County | San Mateo County |
| Elementary School District | Menlo Park City Elementary School District (KG - 08) |
| Secondary School District | Sequoia Union High School District (09 - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $4,495,848 (+2%) Land $2,142,085 Building $2,353,763 | ||
| 2025 | $51,053.00 (+4.89%) Homeowner's exemption | $4,407,696 (+4.04%) Land $2,100,084 Building $2,307,612 | |
| 2023 | $48,675.00 (+2.44%) Homeowner's exemption | $4,236,542 Land $2,018,536 Building $2,218,006 | $5,199,030 |
| 2022 | $47,514.00 |
Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), updated September 10, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified: October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
| Primary APN | 060-241-030 |
|---|
| Bedrooms | 9 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 15 Rooms |
| Building Area | 5,620 sqft Living Area |
| Gross Area | 6,470 sqft Gross Area |
| 1st Floor | 3,181 sqft 1st Floor |
| 2nd Floor | 2,439 sqft 2nd Floor |
| Basement Area | 850 sqft Basement |
| Family Room | Family Room |
| Stories | 2 Stories |
| Study | Study |
| Year Built | Built 1903 |
|---|---|
| Effective Year Built | Effective 1903 |
| Lot Area | 58,994 sqft |
| Depth X Width | 319 ft x 186 ft Depth x Width |
| Parking Spaces | 4 Parking Spaces |
| Garage Area | 930 sqft Garage |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Central Heating |
| Street Address | 45 MOUNT VERNON LN |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-3036 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 3 FAIR OAKS ESTATES RSM 50/26 27 TOWN OF ATHERTON |
| Legal Subdivision | FAIR OAKS ESTATES |
| Legal Lot Number | 3 |
| Jurisdiction | SAN MATEO CA |
| Minor Civil Division | SAN MATEO |
| Census Blockgroup | 2 |
| Census Block | 2005 |
| Census Tract | 611500 |
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