San Mateo County property record for 226 Sylvan Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,810 sqft · built 1951 |
| Lot Size | 0.136 acres (5,940 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $1,965,000 (May 2024) |
| Tax Bill | $24,820 (2025) |
| Deeds & Mortgages | Dec 2025 Mortgage Mar 2021 Reverse Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 039-314-150 |
| Primary APN | 039-314-150 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,810 sqft Living Area |
| 1st Floor Area | 1,330 sqft |
| Family Room | Family Room |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Lot Area | 5,940 sqft (0.136 acres) |
| Lot Dimensions | 110 ft deep x 54 ft wide |
| Garage Area | 350 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 226 SYLVAN AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-3330 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 5 SYLVAN TRACT RSM 29/47 CITY OF SAN MATEO |
| Legal Subdivision | SYLVAN TRACT |
| Legal Lot Number | 5 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 607300 |
226 Sylvan Ave is held in a trust since May 2024.
Source: San Mateo County records, as of August 21, 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 Trust Names on File |
|---|---|
| Mailing Address | 18661 PASEO PUEBLO, SARATOGA, CA 95070-4126 |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Dec 3, 2025 | Deed of Trust, Mortgage · Conventional Mortgage HSBC BANK USA |
| Mar 26, 2021 | Intrafamily Transfer, Transfer · Reverse Mortgage REVERSE MORTGAGE FUNDING LLC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 28, 2024 · Amount on File |
| Deed Sale | May 28, 2024 · Amount on File |
| Deed Document Number | 202427639 |
| Prior Transfer Date | Feb 11, 2021 |
| Prior Transfer Doc | 0000049181 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 226 SYLVAN AVE, SAN MATEO, CA 94403-3330 |
| Transaction Type | Mortgage |
| Record Updated | Dec 31, 2025 |
| Title Company | TWFG NATIONAL TITLE INSURANCE COMPANY, WFG NATIONAL TITLE INS CO |
| Name | Verified Name |
|---|---|
| Address | 18661 PASEO PUEBLO, SARATOGA, CA 95070-4126 |
| Document Number | 0000065880 |
|---|---|
| Date | Dec 3, 2025 |
| Instrument | 2025-065880 |
| Name | HSBC BANK USA |
|---|---|
| Type | Bank |
| Address | NEW YORK, NY 10001 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 349 Months |
| Due | Jan 1, 2055 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.4% |
| Type Change Date | Jan 1, 2031 |
| Change Frequency | 6 Months |
| Min Rate At Change | 3.4% |
| Max Rate At Change | 10.4% |
| Index | SOFR Average 30-Day |
| Margin | 3 |
| Max Rate | 10.4% |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Mar 26, 2021 |
| Property Address | 226 SYLVAN AVE, SAN MATEO, CA 94403-3330 |
| Document Number | 0000049181 |
| Map Reference | MB 29 PG 47 |
| Instrument Date | Feb 11, 2021 |
| Instrument | 2021-049181 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Title Company | FNC TITLE OF CALIFORNIA |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 226 SYLVAN AVE, SAN MATEO, CA 94403-3330 |
| Document Number | 0000049182 |
|---|---|
| Date | Mar 26, 2021 |
| Instrument | 2021-049182 |
| Name | REVERSE MORTGAGE FUNDING LLC |
|---|---|
| Type | Reverse Mortgage Lender |
| Type | Reverse Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 755 Months |
| Due | Feb 8, 2084 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.19% |
| Type Change Date | Apr 1, 2021 |
| Change Frequency | Annually |
| Index | 1-Year LIBOR |
The 2025 property tax bill for 226 Sylvan Ave was $24,820, up 609.3% from the year before.
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 | $2,044,386 (+2%) Land $1,352,520 Building $691,866 | ||
| 2025 | $24,820.00 (+609.35%) | $2,004,300 Land $1,326,000 Building $678,300 | |
| 2024 | $3,499.00 (+34.73%) | ||
| 2023 | $2,597.00 (-6.04%) Homeowner's exemption | $127,679 Land $35,330 Building $92,349 | $2,237,400 |
| 2022 | $2,764.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 226 Sylvan Ave in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1998.
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 | 2 in force |
| Nearby Flood Claims | 4 (1998–2022) |
| Claims Outside the SFHA | 4 of 4 |
| Most Recent Claim | Dec 2022 · rainfall accumulation |
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 226 Sylvan 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 716 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 · Fiber in parts of the area | 1,500 / 50 |
May also be available: Etheric Networks, GeoLinks, T-Mobile.
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