San Mateo County property record for 946 S Eldorado St, San Mateo, CA 94402
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 2,170 sqft · built 1925 |
| Lot Size | 0.102 acres (4,440 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $3,806 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 033-313-140 |
| Primary APN | 033-313-140 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Building Area | 2,170 sqft Living Area |
| 1st Floor Area | 1,020 sqft |
| 2nd Floor Area | 170 sqft |
| Family Room | Family Room |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1925 |
| Lot Area | 4,440 sqft (0.102 acres) |
| Lot Dimensions | 111 ft deep x 40 ft wide |
| View / Lot | Corner |
| Garage Area | 470 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 946 S ELDORADO ST |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94402-1842 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R20000 |
| Legal Description | S 40 FT OF LOT 15 BLOCK 18 RESUB OF BLOCKS 5 TO 10 16 TO 31 EAST SAN MATEO RSM 6/36 CITY OF SAN MATEO |
| Legal Subdivision | EAST SAN MATEO |
| Legal Block | 18,5- |
| Legal Lot Number | 15 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1029 |
| Census Tract | 606300 |
946 S Eldorado St is owned and occupied by two individuals who acquired it in January 2007.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 946 S ELDORADO ST, SAN MATEO, CA 94402-1842 |
| Occupancy | Owner Occupied |
| 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 | Jan 12, 2007 |
| Transfer Doc | 0000082604 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 946 S Eldorado St was $3,806 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 | $141,347 (+2%) Land $28,719 Building $112,628 | ||
| 2025 | $3,806.00 Homeowner's exemption | $138,576 Land $28,156 Building $110,420 | |
| 2023 | $3,620.00 (+7.71%) Homeowner's exemption | $133,196 Land $27,063 Building $106,133 | $2,120,220 |
| 2022 | $3,361.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 946 S Eldorado St in Zone X, an area of minimal flood risk.
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 | 5 in force |
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 946 S Eldorado 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 915 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 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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