San Mateo County property record for 3034 Mason Ln, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,445 sqft · built 1945 |
| Lot Size | 0.119 acres (5,200 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $9,660 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 039-294-060 |
| Primary APN | 039-294-060 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,445 sqft Living Area |
| 1st Floor Area | 1,045 sqft |
| 2nd Floor Area | 365 sqft |
| Family Room | Family Room |
| Year Built | Built 1945 |
|---|---|
| Effective Year Built | Effective 1945 |
| Lot Area | 5,200 sqft (0.119 acres) |
| Lot Dimensions | 80 ft deep x 65 ft wide |
| Garage Area | 380 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 3034 MASON LN |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-3243 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 14 BLOCK 29 BLOCKS 25 TO 31 SAN MATEO TERRACE MAP NO 7 RSM 24/31 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO TERRACE MAP NO 7 |
| Legal Block | 29,25 |
| Legal Lot Number | 14 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3007 |
| Census Tract | 607300 |
Source: San Mateo County records · APN 039-294-060
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 Company Names on File |
|---|---|
| Mailing Address | 3034 MASON LN, SAN MATEO, CA 94403-3243 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Revocable Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Mar 17, 2025 |
| Transfer Doc | 0000023757 |
| Record Updated | Sep 20, 2026 |
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 and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $623,863 (+2%) Land $37,491 Building $586,372 | ||
| 2025 | $9,660.00 (+10.74%) Homeowner's exemption | $611,631 (+4.04%) Land $36,756 Building $574,875 | |
| 2023 | $8,723.00 (-0.54%) Homeowner's exemption | $587,884 Land $35,330 Building $552,554 | $1,598,040 |
| 2022 | $8,770.00 |
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 | 2 in force |
| Nearby Flood Claims | 2 (2009–2017) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Jan 2017 · Severe Winter Storms, Flooding, And Mudslides |
| 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) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| 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 |
May also be available: Etheric Communications, LLC., T-Mobile USA.
Based on FCC filings for 732 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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