San Mateo County property record for 338 E 40th Ave, San Mateo, CA 94403 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,420 sqft · built 1951 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $6,968 (2025) |
| Deeds & Mortgages | Jan 2026 Transfer Jan 2026 Transfer |
| Flood Zone | Zone X (reduced by levee) |
| APN | 040-204-030 |
| Primary APN | 040-204-030 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,420 sqft Living Area |
| 1st Floor Area | 1,080 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Tar & Gravel |
| Lot Area | 5,000 sqft (0.115 acres) |
| Lot Dimensions | 80 ft deep x 62 ft wide |
| Garage Area | 250 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 338 E 40TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-3658 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 3 BLOCK 27B RESUB BLOCKS 25 26 27 & PTN BLOCKS 11 24 28 SAN MATEO VILLAGE UNIT NO 3 RSM 31/46 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO VILLAGE UNIT NO 3 |
| Legal Block | 27B,2 |
| Legal Lot Number | 3 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 608501 |
Source: San Mateo County records · APN 040-204-030
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 | 338 E 40TH AVE, SAN MATEO, CA 94403-3658 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Date | Document |
|---|---|
| Jan 20, 2026 | Intrafamily Transfer, Transfer |
| Jan 20, 2026 | Intrafamily Transfer, Transfer |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Dec 21, 2025 |
| Transfer Doc | 0000002938 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jan 20, 2026 |
| Property Address | 338 E 40TH AVE, SAN MATEO, CA 94403-3658 |
| Document Number | 0000002939 |
| Map Reference | MB 31 PG 46 |
| Instrument Date | Dec 21, 2025 |
| Instrument | 2026-002939 |
| Transaction Type | Transfer |
| Record Updated | Feb 13, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 338 E 40TH AVE, SAN MATEO, CA 94403-3658 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jan 20, 2026 |
| Property Address | 338 E 40TH AVE, SAN MATEO, CA 94403-3658 |
| Document Number | 0000002938 |
| Map Reference | MB 31 PG 46 |
| Instrument Date | Dec 21, 2025 |
| Instrument | 2026-002938 |
| Transaction Type | Transfer |
| Record Updated | Feb 13, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 338 E 40TH AVE, SAN MATEO, CA 94403-3658 |
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 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 | $471,711 (+2%) Land $207,163 Building $264,548 | ||
| 2025 | $6,968.00 (-1.6%) Homeowner's exemption | $462,462 (+4.04%) Land $203,101 Building $259,361 | |
| 2023 | $7,081.00 (+5.06%) Homeowner's exemption | $444,506 Land $195,215 Building $249,291 | $1,405,080 |
| 2022 | $6,740.00 |
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 | Reduced by levee depends on levee performance |
| 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.
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