San Mateo County property record for 516 30th Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 1,130 sqft · built 1945 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $1,101,000 (Oct 2014) |
| Tax Bill | $16,905 (2025) |
| Deeds & Mortgages | Dec 2019 Mortgage Sep 2018 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 039-301-240 |
| Primary APN | 039-301-240 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,130 sqft Living Area |
| 1st Floor Area | 1,130 sqft |
| Family Room | Family Room |
| Study | Study |
| Year Built | Built 1945 |
|---|---|
| Effective Year Built | Effective 1945 |
| Lot Area | 6,000 sqft (0.138 acres) |
| Lot Dimensions | 120 ft deep x 50 ft wide |
| Garage Area | 280 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 516 30TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-3204 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 23 BLOCK 16 SAN MATEO TERRACE MAP NO 5 RSM 22/35 CITY OFSAN MATEO |
| Legal Subdivision | SAN MATEO TERRACE MAP NO 5 |
| Legal Block | 16 |
| Legal Lot Number | 23 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 607300 |
516 30th Ave is held in a trust since November 2016.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 516 30TH AVE, SAN MATEO, CA 94403-3204 |
| 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.
| Date | Document |
|---|---|
| Dec 24, 2019 | Deed of Trust, Mortgage · Conventional Mortgage MENLO SURVEY FCU |
| Sep 14, 2018 | Deed of Trust, Mortgage GUARANTEED RATE |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 3, 2014 · Amount on File |
| Deed Sale | Oct 3, 2014 · Amount on File |
| Prior Sale | Apr 7, 2000 · Amount on File |
| Deed Document Number | 201490229 |
| Last Transfer Date | Nov 18, 2016 |
| Transfer Doc | 0000128527 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 516 30TH AVE, SAN MATEO, CA 94403-3204 |
| Transaction Type | Mortgage |
| Record Updated | Oct 18, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000109760 |
|---|---|
| Date | Dec 24, 2019 |
| Instrument | 2019-109760 |
| Name | MENLO SURVEY FCU |
|---|---|
| Type | Credit Union |
| Address | SANTA ANA, CA 92707 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 241 Months |
| Due | Jan 1, 2040 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 516 30TH AVE, SAN MATEO, CA 94403-3204 |
| Document Number | 0000073104 |
| Instrument Date | Sep 14, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Oct 9, 2018 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 516 30TH AVE SAN MATEO CA 944033204, SAN MATEO, CA 94403-3204 |
| Document Number | 0000073104 |
|---|---|
| Date | Sep 19, 2018 |
| Instrument | 73104 |
| Name | GUARANTEED RATE |
|---|---|
| Address | CHICAGO, IL 60613 |
| Amount | Amount on Record |
|---|---|
| Term | 360 Months |
| Due | Sep 18, 2048 |
The 2025 property tax bill for 516 30th Ave was $16,905.
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 | $1,349,692 (+2%) Land $674,846 Building $674,846 | ||
| 2025 | $16,905.00 | $1,323,228 Land $661,614 Building $661,614 | |
| 2023 | $16,210.00 (+1.19%) | $1,271,848 Land $635,924 Building $635,924 | $1,101,240 |
| 2022 | $16,020.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 516 30th Ave in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1983.
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 | 4 in force |
| Nearby Flood Claims | 3 (1983–2016) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Mar 2016 · other causes |
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 516 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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