San Mateo County property record for 741 Ada St, San Mateo, CA 94401
| Property Type | Care Home (Retirement, Nursing, Convalescent) |
|---|---|
| Details | 50 bd · 1 ba · 1,950 sqft · built 1950 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $17,268 (2025) |
| Flood Zone | Zone X (reduced by levee) |
| APN | 033-335-250 |
| Primary APN | 033-335-250 |
|---|
| Bedrooms | 50 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 50 Rooms |
| Building Area | 1,950 sqft Gross Area |
| 1st Floor Area | 820 sqft |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Lot Area | 5,000 sqft (0.115 acres) |
| Lot Dimensions | 100 ft deep x 50 ft wide |
| Garage Type | Attached |
| Garage Area | 240 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 741 ADA ST |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94401-3101 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Care Home (Retirement, Nursing, Convalescent) |
| Local Zoning Code | R106 |
| Legal Description | LOT 6 BLOCK 11 SHORE VIEW TRACT MAP NO 8 RSM 30/25 26 27 28 CITY OF SAN MATEO |
| Legal Subdivision | SHORE VIEW TRACT MAP NO 8 |
| Legal Block | 11 |
| Legal Lot Number | 6 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2015 |
| Census Tract | 607701 |
741 Ada St, a commercial property, is owned by two individuals who acquired it in October 2005.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 2893 EL CAMINO REAL, C, REDWOOD CITY, CA 94061-4039 |
| Owner Type | Individual |
| Vesting | Tenants in Common |
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 Transfer Date | Oct 27, 2005 |
| Transfer Doc | 0000032091 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 741 Ada St was $17,268.
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 |
|---|---|---|
| 2026 | $1,126,286 (+2%) Land $453,060 Building $673,226 | |
| 2025 | $17,268.00 | $1,104,208 Land $444,178 Building $660,030 |
| 2023 | $17,658.00 (+3.12%) | $1,061,336 Land $426,932 Building $634,404 |
| 2022 | $17,123.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 741 Ada St in Zone X, where a levee reduces flood risk, though there have been 6 flood claims nearby since 1978.
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 reduced by levee · depends on levee performance |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 12 policies |
| Nearby Flood Policies | 12 in force |
| Nearby Flood Claims | 6 (1978–2004) |
| Most Recent Claim | Nov 2004 |
| 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 741 Ada St 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 697 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 | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Sonic Telecom.
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