San Mateo County property record for 328 37th Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,540 sqft · built 1951 |
| Lot Size | 0.199 acres (8,669 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $1,455,000 (Nov 2015) |
| Tax Bill | $21,338 (2025) |
| Deeds & Mortgages | Aug 2022 Line of Credit May 2021 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 042-081-250 |
| Primary APN | 042-081-250 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,540 sqft Living Area |
| 1st Floor Area | 1,320 sqft |
| Family Room | Family Room |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Lot Area | 8,669 sqft (0.199 acres) |
| Lot Dimensions | 144 ft deep x 60 ft wide |
| Garage Area | 490 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 328 37TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-4327 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 15 BLACKBURN SUB RSM 28/2 CITY OF SAN MATEO |
| Legal Subdivision | BLACKBURN SUB |
| Legal Lot Number | 15 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 607100 |
328 37th Ave is held in a trust since November 2015.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 328 37TH AVE, SAN MATEO, CA 94403-4327 |
| Owner Type | Company |
| Vesting | Trust, Revocable 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 |
|---|---|
| Aug 17, 2022 | Deed of Trust, Mortgage · Line of Credit STAR ONE CU |
| May 12, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage PARKSIDE LENDING LLC |
| Feb 27, 2026 | Intrafamily Transfer, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 24, 2015 · Amount on File |
| Deed Sale | Nov 24, 2015 · Amount on File |
| Prior Sale | Jul 23, 2010 · Amount on File |
| Deed Document Number | 2015123861 |
| Prior Transfer Date | Mar 10, 1994 |
| Prior Transfer Doc | 0000054598 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 328 37TH AVE, SAN MATEO, CA 94403-4327 |
| Transaction Type | Mortgage |
| Record Updated | Oct 18, 2022 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 328 37TH AVE, SAN MATEO, CA 94403-4327 |
| Document Number | 0000061462 |
|---|---|
| Date | Aug 17, 2022 |
| Instrument | 2022-061462 |
| Name | STAR ONE CU |
|---|---|
| Type | Credit Union |
| Address | SUNNYVALE, CA 94088 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 302 Months |
| Due | Oct 17, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | May 12, 2021 |
| Property Address | 328 37TH AVE, SAN MATEO, CA 94403-4327 |
| Document Number | 0000075247 |
| Map Reference | MB 28 PG 2 |
| Instrument Date | May 5, 2021 |
| Instrument | 2021-075247 |
| Transaction Type | Transfer |
| Record Updated | Oct 18, 2022 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 328 37TH AVE, SAN MATEO, CA 94403-4327 |
| Document Number | 0000075248 |
|---|---|
| Date | May 12, 2021 |
| Instrument | 2021-075248 |
| Name | PARKSIDE LENDING LLC |
|---|---|
| Type | Lending Institution |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jun 1, 2051 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Feb 27, 2026 |
| Property Address | 328 37TH AVE, SAN MATEO, CA 94403-4327 |
| Document Number | 0000010131 |
| Map Reference | MB 28 PG 2 |
| Instrument Date | Dec 3, 2020 |
| Instrument | 2026-010131 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 328 37TH AVE, SAN MATEO, CA 94403-4327 |
The 2025 property tax bill for 328 37th Ave was $21,338, up 1.6% from the year before.
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 | $1,756,865 (+2%) Land $1,267,843 Building $489,022 | ||
| 2025 | $21,338.00 (+1.57%) | $1,722,418 Land $1,242,984 Building $479,434 | |
| 2024 | $21,009.00 (+2.46%) | ||
| 2023 | $20,505.00 (+1.59%) | $1,655,536 Land $1,194,718 Building $460,818 | $2,000,700 |
| 2022 | $20,184.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 328 37th Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2006.
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 | 1 in force |
| Nearby Flood Claims | 1 (2006) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 2006 · Severe Storms, Flooding, Mudslides, And Landslides |
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 328 37th 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 785 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 | 1,500 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: GeoLinks, T-Mobile.
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