San Mateo County property record for 159 11th Ave, San Mateo, CA 94401
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1.5 ba · 1,270 sqft · built 1925 |
| Lot Size | 0.101 acres (4,400 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,700,000 (Nov 2020) |
| Tax Bill | $23,375 (2025) |
| Deeds & Mortgages | Jul 2022 Line of Credit Nov 2020 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 034-282-030 |
| Primary APN | 034-282-030 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,270 sqft Living Area |
| Gross Area | 1,930 sqft |
| 1st Floor Area | 1,270 sqft |
| Attic | Attic |
| Attic Area | 230 sqft |
| Basement Area | 430 sqft |
| Family Room | Family Room |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1925 |
| Lot Area | 4,400 sqft (0.101 acres) |
| Lot Dimensions | 110 ft deep x 40 ft wide |
| View / Lot | Alley |
| Garage Area | 300 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 159 11TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94401-4310 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 14 BLOCK N SUB NO 3 & RESUB BLKS G & H OF SUB NO 2 HAYWARD PARK RSM 5/36 |
| Legal Subdivision | HAYWARD PARK |
| Legal Block | N,G,H |
| Legal Lot Number | 14 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 606600 |
Source: San Mateo County records · APN 034-282-030
Assessment roll updated July 15, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 159 11TH AVE, SAN MATEO, CA 94401-4310 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Jul 11, 2022 | Deed of Trust, Mortgage · Line of Credit US BANK NA |
| Nov 20, 2020 | Grant Deed, Transfer · Conventional Mortgage GUARANTEED RATE INC |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Nov 20, 2020 · Amount on Record |
| Deed Sale | Nov 20, 2020 · Amount on Record |
| Prior Sale | Aug 13, 2010 · Amount on Record |
| Deed Document Number | 2020132287 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 159 11TH AVE, SAN MATEO, CA 94401-4310 |
| Transaction Type | Mortgage |
| Record Updated | Jul 27, 2022 |
| Title Company | RADIAN SETTLEMENT SVCS INC |
| Name | Verified Name |
|---|---|
| Address | 159 11TH AVE, SAN MATEO, CA 94401-4310 |
| Document Number | 0000053462 |
|---|---|
| Date | Jul 11, 2022 |
| Instrument | 2022-053462 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | CINCINNATI, OH 45202 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 01, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Nov 20, 2020 |
| Property Address | 159 11TH AVE, SAN MATEO, CA 94401-4310 |
| Document Number | 0000132287 |
| Map Reference | MB 5 PG 36 |
| Instrument Date | Nov 03, 2020 |
| Instrument | 2020-132287 |
| Transaction Type | Transfer |
| Record Updated | Aug 09, 2021 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $10,370.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 159 11TH AVE, SAN MATEO, CA 94401-4310 |
| Document Number | 0000132288 |
|---|---|
| Date | Nov 20, 2020 |
| Instrument | 2020-132288 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 01, 2050 |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,876,933 (+2%) Land $1,197,926 Building $679,007 | |
| 2025 | $23,375.00 (+4.35%) Homeowner's exemption | $1,840,132 (+4.04%) Land $1,174,438 Building $665,694 |
| 2023 | $22,401.00 (+4.22%) Homeowner's exemption | $1,768,680 Land $1,128,834 Building $639,846 |
| 2022 | $21,493.00 |
Source: FEMA National Flood Hazard Layer as of September 10, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 3 in force |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| 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 · Fiber in parts of the area | 1,500 / 50 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Etheric Communications, LLC. Fixed Wireless | 250 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: California Internet, Unwired, Verizon.
Based on FCC filings for 906 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CALIFORNIA WATER SERVICE - SAN MATEO private · serves 103,536 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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