San Mateo County property record for 505 Cornell Ave, San Mateo, CA 94402
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 3,360 sqft · built 1930 |
| Lot Size | 0.168 acres (7,308 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $1,495,000 (Aug 2002) |
| Tax Bill | $26,080 (2025) |
| Deeds & Mortgages | Sep 2021 Mortgage Sep 2021 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 034-023-060 |
| Primary APN | 034-023-060 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 3,360 sqft Living Area |
| Gross Area | 3,880 sqft |
| 1st Floor Area | 2,300 sqft |
| Basement Area | 1,580 sqft |
| Finished Basement | 1,060 sqft |
| Unfinished Basement | 520 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1930 |
| Architectural Style | Mediterranean |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 7,308 sqft (0.168 acres) |
| Lot Dimensions | 112 ft deep x 65 ft wide |
| Garage Type | Basement |
| Garage Area | 520 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 505 CORNELL AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94402-2205 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 6 BLOCK 14 BAYWOOD RSM 16/3 4 5 CITY OF SAN MATEO |
| Legal Subdivision | BAYWOOD |
| Legal Block | 14 |
| Legal Lot Number | 6 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3012 |
| Census Tract | 606500 |
505 Cornell Ave is owner-occupied and held in a trust since September 2021.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 505 CORNELL AVE, SAN MATEO, CA 94402-2205 |
| 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 |
|---|---|
| Sep 9, 2021 | Deed of Trust, Mortgage · Conventional Mortgage HOME POINT FINANCIAL CORPORATION |
| Sep 21, 2021 | Intrafamily Transfer, Transfer |
| Aug 19, 2020 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 9, 2002 · Amount on File |
| Deed Sale | Aug 9, 2002 · Amount on File |
| Prior Sale | Jun 30, 1999 · Amount on File |
| Deed Document Number | 2002155726 |
| Last Transfer Date | Sep 15, 2021 |
| Transfer Doc | 0000135213 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 505 CORNELL AVE, SAN MATEO, CA 94402-2205 |
| Transaction Type | Mortgage |
| Record Updated | Oct 4, 2021 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Address | 505 CORNELL AVE, SAN MATEO, CA 94402-2205 |
| Document Number | 0000130208 |
|---|---|
| Date | Sep 9, 2021 |
| Instrument | 2021-130208 |
| Name | HOME POINT FINANCIAL CORPORATION |
|---|---|
| Type | Mortgage Company |
| Address | PARSIPPANY, NJ 07054 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 180 Months |
| Due | Sep 1, 2036 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Sep 21, 2021 |
| Property Address | 505 CORNELL AVE, SAN MATEO, CA 94402-2205 |
| Document Number | 0000135213 |
| Map Reference | MB 16 PG 3-5 |
| Instrument Date | Sep 15, 2021 |
| Instrument | 2021-135213 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 505 CORNELL AVE, SAN MATEO, CA 94402-2205 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 505 CORNELL AVE, SAN MATEO, CA 94402-2205 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 505 CORNELL AVE, SAN MATEO, CA 94402-2205 |
| Document Number | 0000083095 |
|---|---|
| Date | Aug 19, 2020 |
| Instrument | 2020-083095 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Sep 1, 2035 |
The 2025 property tax bill for 505 Cornell Ave was $26,080 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 | $2,208,550 (+2%) Land $1,104,275 Building $1,104,275 | ||
| 2025 | $26,080.00 Homeowner's exemption | $2,165,246 Land $1,082,623 Building $1,082,623 | |
| 2023 | $25,550.00 (+3%) Homeowner's exemption | $2,081,170 Land $1,040,585 Building $1,040,585 | $3,225,510 |
| 2022 | $24,807.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 505 Cornell Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 505 Cornell 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 342 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
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