San Mateo County property record for 220 E 40th Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,300 sqft · built 1951 |
| Lot Size | 0.118 acres (5,120 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $8,369 (2025) |
| Flood Zone | Zone X (reduced by levee) |
| APN | 040-196-050 |
| Primary APN | 040-196-050 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,300 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 |
| Construction Type | Frame |
| Roof Material | Tar & Gravel |
| Lot Area | 5,120 sqft (0.118 acres) |
| Lot Dimensions | 80 ft deep x 64 ft wide |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 220 E 40TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-3629 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 5 BLOCK 26 B RESUB BLOCKS 25 26 27 & PTN BLOCKS 11 24 28SAN MATEO VILLAGE UNIT NO 3 RSM 31/46 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO VILLAGE UNIT NO 3 |
| Legal Block | 26,25 |
| Legal Lot Number | 5 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 608501 |
Source: San Mateo County assessment roll, as of July 15, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 220 E 40TH AVE, SAN MATEO, CA 94403-3629 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Jan 3, 2002 |
| Transfer Doc | 0000006075 |
| Record Updated | Sep 20, 2026 |
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 | $477,950 (+2%) Land $238,975 Building $238,975 | ||
| 2025 | $8,369.00 (+7.46%) Homeowner's exemption | $468,580 (+4.04%) Land $234,290 Building $234,290 | |
| 2023 | $7,788.00 (-1.02%) Homeowner's exemption | $450,388 Land $225,194 Building $225,194 | $1,551,150 |
| 2022 | $7,868.00 |
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 reduced by levee · depends on levee performance |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 13 policies |
| Nearby Flood Policies | 13 in force |
| Nearby Flood Claims | 2 (1979–2010) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Jan 2010 · other causes |
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 |
|---|
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 734 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Radiate Holdings Cable | 1,500 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| Etheric Communications, LLC. Fixed Wireless | 250 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: California Internet, Sonic Telecom.
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