San Mateo County property record for 52 E 40th Ave, San Mateo, CA 94403 · Last verified July 2026
| Property Type | Residential > Multi-Unit > Quadplex |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 4 Baths |
| Architecture Style | Quadruplex |
| Year Built | Built 1952 |
| Square Footage | 3,945 sqft Living Area |
| Lot Size | 6,750 sqft (0.155 acres) |
| Last Sale | $735,000 (2012) |
| Tax Bill | $25,906.00 (2025) |
| Primary APN | 040-073-170 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 12 Rooms |
| Units | 7 Units |
| Building Area | 3,945 sqft Living Area |
| Stories | 2 Stories |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1952 |
| Architectural Style | Quadruplex Style |
| Roof Material | Roll Tar & Gravel Roof |
| Lot Area | 6,750 sqft (0.155 acres) |
| Depth X Width | 125 ft x 54 ft Depth x Width |
| Parking Spaces | 1 Parking Spaces |
| Heating System | Central Heating |
|---|
| Street Address | 52 E 40TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-4607 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Quadplex |
| Legal Description | 54 FT X 125 FT ON FORTIETH AVE ADJ TO SWLY LINE OF LOT 7 PTNOF LOT 7 SAN MATEO GARDENS RSM 20/14 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO GARDENS |
| Legal Lot Number | 7 |
| Jurisdiction | SAN MATEO CA |
| Minor Civil Division | SAN MATEO |
| Census Blockgroup | 1 |
| Census Block | 1006 |
| Census Tract | 608501 |
Source: San Mateo County records · APN 040-073-170
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 | Company Name on File |
|---|---|
| Mailing Address | PO BOX 578954, MODESTO, CA 95357-8954 |
| Owner Type | Owner is a Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Oct 01, 2012 · Amount on Record |
| Deed Sale | Oct 01, 2012 · Amount on Record |
| Prior Sale | Jun 02, 2000 · Amount on Record |
| Deed Doc Number | 2012142965 |
| Prior Transfer Date | Sep 09, 2004 |
| Prior Transfer Doc | 0000184432 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Dec 13, 2017 |
| Property Address | 52 E 40TH AVE, SAN MATEO, CA 94403-4607 |
| Document Number | 0000111675 |
| Instrument Date | Oct 24, 2017 |
| Instrument | 111675 |
| Transaction Type | Transfer |
| Record Updated | Jan 18, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 25 BANK ST #207F WHITE PLAINS NY 106067003, 207F, WHITE PLAINS, NY 10606-7003 |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Municipality | San Mateo City |
| Elementary School District | San Mateo-Foster City Elementary School District (KG - 08) |
| Secondary School District | San Mateo 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 |
|---|---|---|
| 2026 | $1,767,988 (+2%) Land $461,592 Building $1,306,396 | |
| 2025 | $25,906.00 (+42.89%) | $1,733,324 (+35.85%) Land $452,542 Building $1,280,782 |
| 2023 | $18,130.00 (+9.89%) | $1,275,940 Land $434,970 Building $840,970 |
| 2022 | $16,498.00 |
52 E 40th Ave is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.
Source: FEMA National Flood Hazard Layer · San Mateo County (06081C), updated September 10, 2026
| FEMA Flood Zone | Zone X reduced risk due to levee; depends on levee performance |
|---|---|
| Special Flood Hazard Area | No |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |
Values are read at the parcel center point; lenders make the official flood determination.
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