San Mateo County property record for 2811 Isabelle Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,080 sqft · built 1948 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $2,910 (2025) |
| Deeds & Mortgages | Oct 2020 Mortgage Oct 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 039-322-050 |
| Primary APN | 039-322-050 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Building Area | 2,080 sqft Living Area |
| 1st Floor Area | 1,550 sqft |
| Family Room | Family Room |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Lot Area | 6,000 sqft (0.138 acres) |
| Lot Dimensions | 100 ft deep x 60 ft wide |
| Garage Area | 450 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 2811 ISABELLE AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-2705 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | 60 FT X 100 FT ON N LN OF ISABELLE AVE COM 60 FT SE FR 28TH AVE PTN OF LOT 5 SUB OF LOTS 14 15 16 17 OF BERESFORD PARK RSM D/14 CITY OF SAN MATEO |
| Legal Subdivision | BERESFORD PARK |
| Legal Lot Number | 5,1 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 607300 |
Source: San Mateo County records, as of July 15, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 2811 ISABELLE AVE, SAN MATEO, CA 94403-2705 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Oct 14, 2020 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Oct 6, 2020 | Deed of Trust, Mortgage · Conventional Mortgage OTHER INSTITUTIONAL LENDERS |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Sep 12, 2006 |
| Transfer Doc | 0000141619 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 2811 ISABELLE AVE, SAN MATEO, CA 94403-2705 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | CHICAGO TITLE |
| Name | Verified Name |
|---|---|
| Address | 2811 ISABELLE AVE, SAN MATEO, CA 94403-2705 |
| Document Number | 0000110586 |
|---|---|
| Date | Oct 14, 2020 |
| Instrument | 2020-110586 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Nov 1, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 2811 ISABELLE AVE, SAN MATEO, CA 94403-2705 |
| Document Number | 0000110585 |
| Instrument Date | Oct 6, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Nov 17, 2020 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 2811 ISABELLE AVE SAN MATEO CA 944032705, SAN MATEO, CA 94403-2705 |
| Document Number | 0000110585 |
|---|---|
| Date | Oct 14, 2020 |
| Instrument | 110585 |
| Name | OTHER INSTITUTIONAL LENDERS |
|---|---|
| Type | Bank |
| Address | SAN MATEO, CA 94403 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
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 | $161,509 (+2%) Land $37,491 Building $124,018 | ||
| 2025 | $2,910.00 (+5.82%) Homeowner's exemption | $158,343 (+4.04%) Land $36,756 Building $121,587 | |
| 2023 | $2,750.00 (-2.14%) Homeowner's exemption | $152,196 Land $35,330 Building $116,866 | $2,328,390 |
| 2022 | $2,810.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
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 799 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 |
May also be available: Etheric Networks, GeoLinks, T-Mobile, Verizon.
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