San Mateo County property record for 511 la Casa Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,350 sqft · built 1954 |
| Lot Size | 0.125 acres (5,426 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $1,360,000 (Sep 2016) |
| Tax Bill | $20,396 (2025) |
| Deeds & Mortgages | Apr 2022 Transfer Mar 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 042-202-070 |
| Primary APN | 042-202-070 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,350 sqft Living Area |
| Gross Area | 1,810 sqft |
| 1st Floor Area | 1,350 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1954 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Composition Shingle |
| Lot Area | 5,426 sqft (0.125 acres) |
| Lot Dimensions | 73 ft deep x 65 ft wide |
| Garage Type | Attached |
| Garage Area | 460 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 511 LA CASA AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-5028 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 3 BLOCK 44 SAN MATEO KNOLLS MAP NO 5 RSM 36/16 17 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO KNOLLS MAP NO 5 |
| Legal Block | 44 |
| Legal Lot Number | 3 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 607100 |
511 la Casa Ave is owner-occupied and held in a trust since April 2022.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 309 UNIVERSITY DR, MENLO PARK, CA 94025-5223 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Apr 18, 2022 | Intrafamily Transfer, Transfer |
| Mar 30, 2021 | Deed of Trust, Mortgage · Conventional Mortgage PROVIDENT FUNDING ASSOCIATES LP |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 19, 2016 · Amount on File |
| Deed Sale | Sep 19, 2016 · Amount on File |
| Prior Sale | Mar 27, 1997 · Amount on File |
| Deed Document Number | 201695476 |
| Last Transfer Date | Apr 15, 2022 |
| Transfer Doc | 0000032590 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Apr 18, 2022 |
| Property Address | 511 LA CASA AVE, SAN MATEO, CA 94403-5028 |
| Document Number | 0000032590 |
| Map Reference | MB 36 PG 16&17 |
| Instrument Date | Apr 15, 2022 |
| Instrument | 2022-032590 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 309 UNIVERSITY DR, MENLO PARK, CA 94025-5223 |
| Investor | Possibly a Property Investor |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 511 LA CASA AVE, SAN MATEO, CA 94403-5028 |
| Transaction Type | Mortgage |
| Record Updated | Apr 30, 2021 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000050850 |
|---|---|
| Date | Mar 30, 2021 |
| Instrument | 2021-050850 |
| Name | PROVIDENT FUNDING ASSOCIATES LP |
|---|---|
| Type | Mortgage Company |
| Address | SAN JOSE, CA 95110 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Apr 1, 2051 |
The 2025 property tax bill for 511 la Casa Ave was $20,396 with a homeowner's exemption.
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 | $1,609,957 (+2%) Land $1,254,821 Building $355,136 | ||
| 2025 | $20,396.00 Homeowner's exemption | $1,578,390 Land $1,230,217 Building $348,173 | |
| 2023 | $19,299.00 (-0.28%) Homeowner's exemption | $1,517,102 Land $1,182,448 Building $334,654 | $1,420,290 |
| 2022 | $19,354.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 511 la Casa Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1997.
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 Policies | 1 in force |
| Nearby Flood Claims | 1 (1997) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 1997 · Severe Storms, Flooding, Mud And Landslides |
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.
The area around 511 la Casa Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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 891 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 in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: Astound Broadband, T-Mobile, Verizon.
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