San Mateo County property record for 31 McLellan Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,320 sqft · built 1945 |
| Lot Size | 0.144 acres (6,250 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $1,825,000 (Jul 2025) |
| Tax Bill | $7,320 (2025) |
| Deeds & Mortgages | Sep 2021 Transfer Jul 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 040-081-150 |
| Primary APN | 040-081-150 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,320 sqft Living Area |
| 1st Floor Area | 990 sqft |
| Family Room | Family Room |
| Year Built | Built 1945 |
|---|---|
| Effective Year Built | Effective 1945 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Composition Shingle |
| Lot Area | 6,250 sqft (0.144 acres) |
| Lot Dimensions | 125 ft deep x 50 ft wide |
| Garage Area | 300 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 31 MCLELLAN AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-2825 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 8 BLOCK 1 TOWN OF BERESFORD NO 1 RSM 14/44 45 CITY OF SAN MATEO |
| Legal Subdivision | TOWN OF BERESFORD NO 1 |
| Legal Block | 1 |
| Legal Lot Number | 8 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 4 |
| Census Block | 4004 |
| Census Tract | 608501 |
31 McLellan Ave is owned by a company that bought it in July 2025.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 31 MCLELLAN AVE, SAN MATEO, CA 94403-2825 |
| Owner Type | Company |
| Vesting | Life Tenant |
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 |
|---|---|
| Sep 20, 2021 | Intrafamily Transfer, Transfer |
| Jul 8, 2020 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 14, 2025 · Amount on File |
| Deed Sale | Jul 14, 2025 · Amount on File |
| Deed Document Number | 202535760 |
| Prior Transfer Date | Aug 13, 2021 |
| Prior Transfer Doc | 0000134788 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Sep 20, 2021 |
| Property Address | 31 MCLELLAN AVE, SAN MATEO, CA 94403-2825 |
| Document Number | 0000134788 |
| Map Reference | MB 14 PG 44&45 |
| Instrument Date | Aug 13, 2021 |
| Instrument | 2021-134788 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Living Trust |
| Address | 31 MCLELLAN AVE, SAN MATEO, CA 94403-2825 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 31 MCLELLAN AVE, SAN MATEO, CA 94403-2825 |
| Document Number | 0000066431 |
| Instrument Date | Jul 8, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Aug 11, 2020 |
| Title Company | OTHER |
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 31 MCLELLAN AVE SAN MATEO CA 944032825, SAN MATEO, CA 94403-2825 |
| Document Number | 0000066431 |
|---|---|
| Date | Jul 13, 2020 |
| Instrument | 66431 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 180 Months |
| Due | Jul 12, 2035 |
The 2025 property tax bill for 31 McLellan Ave was $7,320.
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 | $1,825,000 (+275.67%) Land $1,005,000 Building $820,000 | ||
| 2025 | $7,320.00 Homeowner's exemption | $485,799 Land $226,331 Building $259,468 | |
| 2023 | $7,358.00 (-0.85%) Homeowner's exemption | $466,939 Land $217,544 Building $249,395 | $1,231,380 |
| 2022 | $7,421.00 |
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.
FEMA maps place 31 McLellan Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AO, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 50 policies |
| Nearby Flood Policies | 50 in force |
| Nearby Flood Claims | 7 (2008–2023) |
| Claims Outside the SFHA | 2 of 7 |
| Most Recent Claim | Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
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 31 McLellan 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 614 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Sonic Telecom.
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