San Mateo County property record for 408 30th Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,770 sqft · built 1941 |
| Lot Size | 0.116 acres (5,034 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $1,112,500 (Oct 2008) |
| Tax Bill | $19,275 (2025) |
| Deeds & Mortgages | May 2020 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 039-315-100 |
| Primary APN | 039-315-100 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,770 sqft Living Area |
| 1st Floor Area | 1,090 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1941 |
|---|---|
| Effective Year Built | Effective 1941 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 5,034 sqft (0.116 acres) |
| Lot Dimensions | 81 ft deep x 61 ft wide |
| Garage Area | 390 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 408 30TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-2719 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 11 BLOCK 20 SAN MATEO TERRACE MAP NO 6 RSM 23/36 CITY OFSAN MATEO |
| Legal Subdivision | SAN MATEO TERRACE MAP NO 6 |
| Legal Block | 20 |
| Legal Lot Number | 11 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2017 |
| Census Tract | 607300 |
408 30th Ave is held in a trust since April 2020.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 3098 MULLER CT, REDWOOD CITY, CA 94061-2451 |
| Owner Type | Company |
| Vesting | Trust |
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 | Oct 23, 2008 · Amount on File |
| Deed Sale | Oct 23, 2008 · Amount on File |
| Prior Sale | Aug 23, 1996 · Amount on File |
| Deed Document Number | 2008117173 |
| Last Transfer Date | Apr 29, 2020 |
| Transfer Doc | 0000048198 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | May 27, 2020 |
| Property Address | 408 30TH AVE, SAN MATEO, CA 94403-2719 |
| Document Number | 0000048198 |
| Instrument Date | Apr 29, 2020 |
| Instrument | 48198 |
| Transaction Type | Transfer |
| Record Updated | Jun 23, 2020 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 3098 MULLER CT REDWOOD CITY CA 940612451, REDWOOD CITY, CA 94061-2451 |
The 2025 property tax bill for 408 30th Ave was $19,275.
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 | $1,461,274 (+2%) Land $730,637 Building $730,637 | ||
| 2025 | $19,275.00 | $1,432,622 Land $716,311 Building $716,311 | |
| 2023 | $18,030.00 (-1%) | $1,376,994 Land $688,497 Building $688,497 | $1,861,380 |
| 2022 | $18,212.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 408 30th Ave in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1998.
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 | 2 in force |
| Nearby Flood Claims | 4 (1998–2022) |
| Claims Outside the SFHA | 4 of 4 |
| Most Recent Claim | Dec 2022 · rainfall accumulation |
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 408 30th 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 716 locations within half a mile, as of December 31, 2025
| 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 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
May also be available: Etheric Networks, GeoLinks, T-Mobile.
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