San Mateo County property record for 345 N Eldorado St, San Mateo, CA 94401
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2 ba · 1,920 sqft · built 1963 |
| Lot Size | 0.139 acres (6,059 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $541,000 (May 2012) |
| Tax Bill | $10,916 (2025) |
| Deeds & Mortgages | Nov 2020 Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 032-206-030 |
| Primary APN | 032-206-030 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 1,920 sqft Living Area |
| 1st Floor Area | 1,920 sqft |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1963 |
| Architectural Style | Duplex Single |
| Lot Area | 6,059 sqft (0.139 acres) |
| Lot Dimensions | 121 ft deep x 50 ft wide |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 345 N ELDORADO ST |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94401-1733 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R20000 |
| Legal Description | LOT 15 BLOCK 35 RESUB OF BLOCKS 34 35 & 36 WESTERN ADDITION TO TOWN OF SAN MATEO RSM 2/55 |
| Legal Subdivision | WESTERN ADDITION TO TOWN OF SAN MATEO |
| Legal Block | 35,34 |
| Legal Lot Number | 15 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 606201 |
345 N Eldorado St, a duplex, is owned by two individuals who bought it in May 2012.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 347 N ELDORADO ST, SAN MATEO, CA 94401-1733 |
| 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 | May 15, 2012 · Amount on File |
| Deed Sale | May 15, 2012 · Amount on File |
| Prior Sale | Jul 22, 2011 · Amount on File |
| Deed Document Number | 201268197 |
| Prior Transfer Date | Dec 3, 2001 |
| Prior Transfer Doc | 0000209013 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 345 N ELDORADO ST, SAN MATEO, CA 94401-1733 |
| Document Number | 0000129700 |
| Instrument Date | Nov 13, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Dec 22, 2020 |
| Title Company | OTHER |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 347 N ELDORADO ST SAN MATEO CA 944011733, SAN MATEO, CA 94401-1733 |
| Document Number | 0000129700 |
|---|---|
| Date | Nov 17, 2020 |
| Instrument | 129700 |
| Name | STIFEL BK&TR |
|---|---|
| Type | Bank |
| Address | SAINT LOUIS, MO 63141 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Nov 16, 2050 |
The 2025 property tax bill for 345 N Eldorado St was $10,916.
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 | $693,106 (+2%) Land $346,553 Building $346,553 | |
| 2025 | $10,916.00 | $679,516 Land $339,758 Building $339,758 |
| 2023 | $10,326.00 (+3.7%) | $653,132 Land $326,566 Building $326,566 |
| 2022 | $9,958.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 345 N Eldorado St in Zone X, an area of moderate 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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 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 345 N 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 694 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 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: GeoLinks, T-Mobile, Unwired.
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