San Mateo County property record for 142 Otay Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 900 sqft · built 1953 |
| Lot Size | 0.128 acres (5,561 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,375,000 (Aug 2021) |
| Tax Bill | $18,538 (2025) |
| Deeds & Mortgages | Aug 2021 Sale & Mortgage |
| Flood Zone | Zone AO (high risk) |
| APN | 040-054-270 |
| Primary APN | 040-054-270 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 900 sqft Living Area |
| 1st Floor Area | 900 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 5,561 sqft (0.128 acres) |
| Garage Area | 430 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Water Source | Commercial |
| Street Address | 142 OTAY AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-2840 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 11 GLENDALE VILLAGE MAP NO 2 RSM 33/43 CITY OF SAN MATEO |
| Legal Subdivision | GLENDALE VILLAGE MAP NO 2 |
| Legal Lot Number | 11 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 4 |
| Census Block | 4003 |
| Census Tract | 608501 |
142 Otay Ave is owned and occupied by two individuals who bought it in August 2021.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 142 OTAY AVE, SAN MATEO, CA 94403-2840 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 20, 2021 · Amount on File |
| Deed Sale | Aug 20, 2021 · Amount on File |
| Deed Document Number | 2021121831 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Aug 20, 2021 |
| Property Address | 142 OTAY AVE, SAN MATEO, CA 94403-2840 |
| Document Number | 0000121831 |
| Map Reference | MB 33 PG 43 |
| Instrument Date | Aug 16, 2021 |
| Instrument | 2021-121831 |
| Transaction Type | Transfer |
| Record Updated | Oct 18, 2022 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $8,387.50 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 142 OTAY AVE, SAN MATEO, CA 94403-2840 |
| Document Number | 0000121832 |
|---|---|
| Date | Aug 20, 2021 |
| Instrument | 2021-121832 |
| Name | GUARANTEED RATE AFFINITY LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Sep 1, 2051 |
The 2025 property tax bill for 142 Otay Ave was $18,538 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 | $1,523,023 (+2.94%) Land $1,212,323 Building $310,700 | ||
| 2025 | $18,538.00 Homeowner's exemption | $1,479,460 Land $1,188,552 Building $290,908 | |
| 2023 | $17,722.00 (+4.8%) Homeowner's exemption | $1,419,030 Land $1,142,400 Building $276,630 | $1,317,330 |
| 2022 | $16,911.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 142 Otay Ave in Zone AO, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AO high risk · sheet flow 1–3 ft |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 50 policies |
| Nearby Flood Policies | 50 in force |
| Nearby Flood Claims | 7 (2008–2023) |
| Claims Outside the SFHA | 2 of 7 |
| Most Recent Claim | Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
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 142 Otay 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 614 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 · Fiber in parts of the area | 2,000 / 250 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Sonic Telecom.
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