San Mateo County property record for 331 28th Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,610 sqft · built 1949 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,700,000 (Mar 2024) |
| Tax Bill | $21,382 (2025) |
| Deeds & Mortgages | Mar 2024 Sale Mar 2022 Mortgage + 3 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 039-322-060 |
| Primary APN | 039-322-060 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,610 sqft Living Area |
| 1st Floor Area | 1,610 sqft |
| Family Room | Family Room |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Composition Shingle |
| Lot Area | 6,000 sqft (0.138 acres) |
| Lot Dimensions | 100 ft deep x 60 ft wide |
| View / Lot | Corner |
| Garage Area | 450 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 331 28TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-2404 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | 100 FT X 60 FT ON COR OF 28TH AVE & ISABELLE AVE PTN OF LOT 5 SUB OF LOTS 14 15 16 17 OF BERESFORD PARK RSM D/14 CITY OFSAN MATEO |
| Legal Subdivision | BERESFORD PARK |
| Legal Lot Number | 5,14 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 607300 |
Source: San Mateo County records · APN 039-322-060
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 | Company Name on File |
|---|---|
| Mailing Address | 5676 KIMBERLY ST, SAN JOSE, CA 95129-3135 |
| Owner Type | Company |
| Vesting | Limited Liability Company |
| Date | Document |
|---|---|
| Mar 22, 2024 | Grant Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Mar 02, 2022 | Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA |
| Jun 29, 2017 | Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA |
| Jun 29, 2020 | Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA |
| Jul 22, 2020 | Intrafamily Transfer, Transfer · Line of Credit MUFG UNION BANK NA |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Mar 22, 2024 · Amount on Record |
| Deed Sale | Mar 22, 2024 · Amount on Record |
| Deed Document Number | 202415184 |
| Prior Transfer Date | Jul 20, 2020 |
| Prior Transfer Doc | 0000070681 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Mar 22, 2024 |
| Property Address | 331 28TH AVE, SAN MATEO, CA 94403-2404 |
| Document Number | 0000015184 |
| Map Reference | MB D PG 14 |
| Instrument Date | Mar 19, 2024 |
| Instrument | 2024-015184 |
| Transaction Type | Transfer |
| Record Updated | Apr 09, 2024 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $10,370.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 331 28TH AVE, SAN MATEO, CA 94403-2404 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 331 28TH AVE, SAN MATEO, CA 94403-2404 |
| Transaction Type | Mortgage |
| Record Updated | Apr 01, 2022 |
| Title Company | SERVICELINK |
| Name | Verified Name |
|---|---|
| Address | 331 28TH AVE, SAN MATEO, CA 94403-2404 |
| Document Number | 0000018427 |
|---|---|
| Date | Mar 02, 2022 |
| Instrument | 2022-018427 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | Feb 01, 2052 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 331 28TH AVE, SAN MATEO, CA 94403-2404 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | SERVICELINK |
| Name | Verified Name |
|---|
| Document Number | 0000055574 |
|---|---|
| Date | Jun 29, 2017 |
| Instrument | 2017-055574 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 01, 2047 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 331 28TH AVE, SAN MATEO, CA 94403-2404 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000060805 |
|---|---|
| Date | Jun 29, 2020 |
| Instrument | 2020-060805 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 01, 2050 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jul 22, 2020 |
| Property Address | 331 28TH AVE, SAN MATEO, CA 94403-2404 |
| Document Number | 0000070681 |
| Map Reference | MB D PG 14 |
| Instrument Date | Jul 20, 2020 |
| Instrument | 2020-070681 |
| Transaction Type | Transfer |
| Record Updated | Aug 09, 2021 |
| Title Company | LAWYERS TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 331 28TH AVE, SAN MATEO, CA 94403-2404 |
| Document Number | 0000070682 |
|---|---|
| Date | Jul 22, 2020 |
| Instrument | 2020-070682 |
| Name | MUFG UNION BANK NA |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 18, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
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, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,768,679 (+2%) Land $1,349,398 Building $419,281 | ||
| 2025 | $21,382.00 (+231.09%) | $1,734,000 (+373.11%) Land $1,322,940 Building $411,060 | |
| 2024 | $6,458.00 (-2.18%) | ||
| 2023 | $6,602.00 (+22.03%) Homeowner's exemption | $366,512 Land $162,681 Building $203,831 | $1,694,790 |
| 2022 | $5,410.00 |
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 | 4 (1998–2022) |
| Claims Outside the SFHA | 4 of 4 |
| Most Recent Claim | Dec 2022 · rainfall accumulation |
| 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 | 1,500 / 50 |
May also be available: California Internet, Etheric Communications, LLC., T-Mobile USA, Verizon.
Based on FCC filings for 799 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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