San Mateo County property record for 604 E 40th Ave, San Mateo, CA 94403 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,030 sqft · built 1951 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $935,000 (Aug 2013) |
| Tax Bill | $15,073 (2025) |
| Deeds & Mortgages | Apr 2022 Line of Credit Jan 2022 Transfer + 2 more |
| Flood Zone | Zone X (reduced by levee) |
| APN | 040-227-010 |
| Primary APN | 040-227-010 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,030 sqft Living Area |
| 1st Floor Area | 860 sqft |
| Family Room | Family Room |
| Study | Study |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Composition Shingle |
| Lot Area | 5,000 sqft (0.115 acres) |
| Lot Dimensions | 100 ft deep x 50 ft wide |
| View / Lot | Corner |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 604 E 40TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-3655 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 19 BLOCK 33 SAN MATEO VILLAGE UNIT NO 5 RSM 32/17 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO VILLAGE UNIT NO 5 |
| Legal Block | 33 |
| Legal Lot Number | 19 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 608501 |
Source: San Mateo County records · APN 040-227-010
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 | 604 E 40TH AVE, SAN MATEO, CA 94403-3655 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Date | Document |
|---|---|
| Apr 22, 2022 | Deed of Trust, Mortgage · Line of Credit PENTAGON FCU |
| Jan 25, 2022 | Intrafamily Transfer, Transfer |
| Apr 20, 2018 | Quit Claim Deed, Transfer Quitclaim |
| Sep 25, 2017 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Aug 29, 2013 · Amount on Record |
| Deed Sale | Aug 29, 2013 · Amount on Record |
| Deed Document Number | 2013127239 |
| Last Transfer Date | Jan 31, 2018 |
| Transfer Doc | 0000030579 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 604 E 40TH AVE, SAN MATEO, CA 94403-3655 |
| Transaction Type | Mortgage |
| Record Updated | May 09, 2022 |
| Name | Verified Name |
|---|---|
| Address | 604 E 40TH AVE, SAN MATEO, CA 94403-3655 |
| Document Number | 0000034384 |
|---|---|
| Date | Apr 22, 2022 |
| Instrument | 2022-034384 |
| Name | PENTAGON FCU |
|---|---|
| Type | Credit Union |
| Address | MC LEAN, VA 22102 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Apr 17, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jan 25, 2022 |
| Property Address | 604 E 40TH AVE, SAN MATEO, CA 94403-3655 |
| Document Number | 0000007065 |
| Map Reference | MB 32 PG 17 |
| Instrument Date | Jan 25, 2022 |
| Instrument | 2022-007065 |
| Transaction Type | Transfer |
| Record Updated | Feb 18, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 604 E 40TH AVE, SAN MATEO, CA 94403-3655 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Apr 20, 2018 |
| Property Address | 604 E 40TH AVE, SAN MATEO, CA 94403-3655 |
| Document Number | 0000030579 |
| Instrument Date | Jan 31, 2018 |
| Instrument | 30579 |
| Transaction Type | Transfer |
| Record Updated | May 09, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 604 E 40TH AVE SAN MATEO CA 944033655, SAN MATEO, CA 94403-3655 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Sep 25, 2017 |
| Property Address | 604 E 40TH AVE, SAN MATEO, CA 94403-3655 |
| Document Number | 0000083434 |
| Instrument Date | Aug 30, 2017 |
| Instrument | 83434 |
| Transaction Type | Transfer |
| Record Updated | Oct 18, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 604 E 40TH AVE SAN MATEO CA 944033655, SAN MATEO, CA 94403-3655 |
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 | $1,169,088 (+2%) Land $584,544 Building $584,544 | ||
| 2025 | $15,073.00 (+5.57%) Homeowner's exemption | $1,146,166 (+4.04%) Land $573,083 Building $573,083 | |
| 2023 | $14,278.00 (+0.93%) Homeowner's exemption | $1,101,662 Land $550,831 Building $550,831 | $1,648,080 |
| 2022 | $14,147.00 |
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 |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| 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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