San Mateo County property record for 64 W 40th Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,440 sqft · built 1942 |
| Lot Size | 0.116 acres (5,044 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $7,081 (2025) |
| Deeds & Mortgages | Apr 2026 Line of Credit Aug 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 042-164-120 |
| Primary APN | 042-164-120 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,440 sqft Living Area |
| 1st Floor Area | 840 sqft |
| Basement Area | 300 sqft |
| Finished Basement | 300 sqft |
| Family Room | Family Room |
| Study | Study |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1942 |
|---|---|
| Effective Year Built | Effective 1942 |
| Architectural Style | Bungalow |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 5,044 sqft (0.116 acres) |
| Lot Dimensions | 97 ft deep x 52 ft wide |
| Garage Area | 260 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 64 W 40TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-4515 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 12 BLOCK 4 LAUREL PARK UNIT NO 2 RSM 23/57 CITY OF SAN MATEO |
| Legal Subdivision | LAUREL PARK UNIT NO 2 |
| Legal Block | 4 |
| Legal Lot Number | 12 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 607200 |
Source: San Mateo County records, as of July 15, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 64 W 40TH AVE, SAN MATEO, CA 94403-4515 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Apr 29, 2026 | Deed of Trust, Mortgage · Line of Credit ALLIANT CREDIT UNION |
| Aug 26, 2019 | Deed of Trust, Mortgage · Conventional Mortgage ALLIANT CU |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Apr 3, 2014 |
| Transfer Doc | 0000034216 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Apr 29, 2026 |
| Property Address | 64 W 40TH AVE, SAN MATEO, CA 94403-4515 |
| Document Number | 0000022860 |
| Instrument Date | Apr 2, 2026 |
| Instrument | 202622860 |
| Transaction Type | Mortgage |
| Record Updated | Jul 12, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Name | Verified Name |
|---|---|
| Relationship | Trust, 212 |
| Address | 64 W 40TH AVE, SAN MATEO, CA 94403-4515 |
| Document Number | 0000022860, |
|---|---|
| Date | Apr 29, 2026 |
| Instrument | 202622860 |
| Name | ALLIANT CREDIT UNION |
|---|
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Apr 29, 2056 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 6% |
| Initial Type | Adjustable Rate |
| Adjustable | Adjustable Rate Rider |
| Max Rate | -1% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 64 W 40TH AVE, SAN MATEO, CA 94403-4515 |
| Document Number | 0000074060 |
| Instrument Date | Aug 26, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Sep 30, 2019 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NAT'L AGCY |
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 64 W 40TH AVE SAN MATEO CA 944034515, SAN MATEO, CA 94403-4515 |
| Document Number | 0000074060 |
|---|---|
| Date | Sep 11, 2019 |
| Instrument | 74060 |
| Name | ALLIANT CU |
|---|---|
| Type | Credit Union |
| Address | CHICAGO, IL 60666 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Sep 10, 2049 |
Source: San Mateo County assessment roll, as of July 15, 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) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $355,429 (+2%) Land $176,698 Building $178,731 | ||
| 2025 | $7,081.00 (+24.56%) Homeowner's exemption | $348,461 (+4.04%) Land $173,234 Building $175,227 | |
| 2023 | $5,685.00 (-5.39%) Homeowner's exemption | $334,932 Land $166,508 Building $168,424 | $1,657,170 |
| 2022 | $6,009.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 |
| Nearby Flood Claims | 1 (1986) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 1986 · Severe Storms & Flooding |
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 MATEO private · serves 103,536 people · EPA ID CA4110008 |
|---|---|
| Water Source | Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM |
| Last State Inspection | Mar 2025 |
| Lead | 4 ppb (2023–2025) 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 785 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: GeoLinks, T-Mobile.
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