San Mateo County property record for 2131 Lyon Ave, Belmont, CA 94002
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,060 sqft · built 1960 |
| Lot Size | 0.117 acres (5,076 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,890,000 (Dec 2020) |
| Tax Bill | $24,732 (2025) |
| Deeds & Mortgages | Dec 2020 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 044-041-060 |
| Primary APN | 044-041-060 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 2,060 sqft Living Area |
| Gross Area | 3,200 sqft |
| 1st Floor Area | 1,450 sqft |
| Basement Area | 1,750 sqft |
| Finished Basement | 610 sqft |
| Unfinished Basement | 1,140 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Contemporary |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Lot Area | 5,076 sqft (0.117 acres) |
| Lot Dimensions | 95 ft deep x 55 ft wide |
| Garage Area | 430 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 2131 LYON AVE |
|---|---|
| City | BELMONT |
| State | CA |
| Zip | 94002-1638 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 22 BLOCK 34 LESS SELY 4 FT X 87 FT X 86.77 FT TRIANG PTNBELMONT CO CLUB PROP 2 RSM 12/13 TO 17 CITY OF BELMONT |
| Legal Subdivision | BELMONT CO CLUB PROP |
| Legal Block | 34 |
| Legal Lot Number | 22 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 608800 |
2131 Lyon Ave is owned and occupied by two individuals who bought it in December 2020.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 2131 LYON AVE, BELMONT, CA 94002-1638 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 30, 2020 · Amount on File |
| Deed Sale | Dec 30, 2020 · Amount on File |
| Prior Sale | Jul 15, 1998 · Amount on File |
| Deed Document Number | 2020153967 |
| Prior Transfer Date | Mar 28, 2001 |
| Prior Transfer Doc | 0000045180 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Dec 30, 2020 |
| Property Address | 2131 LYON AVE, BELMONT, CA 94002-1638 |
| Document Number | 0000153967 |
| Map Reference | MB 12 PG 13-17 |
| Instrument Date | Dec 28, 2020 |
| Instrument | 2020-153967 |
| Transaction Type | Transfer |
| Record Updated | Aug 9, 2021 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $2,079.00 |
| Amount Accuracy | Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 2131 LYON AVE, BELMONT, CA 94002-1638 |
| Document Number | 0000153968 |
|---|---|
| Date | Dec 30, 2020 |
| Instrument | 2020-153968 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jan 1, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.12% |
| Type Change Date | Jan 1, 2028 |
| Change Frequency | 6 Months |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 4.12% |
| Index | 5-Year CMT |
| Max Rate | 7.12% |
The 2025 property tax bill for 2131 Lyon Ave was $24,732 with a homeowner's exemption.
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| Municipality | Belmont City |
| County | San Mateo County |
| Elementary School District | Belmont-Redwood Shores Elementary School District (KG - 08) |
| Secondary School District | Sequoia Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $2,086,711 (+2%) Land $1,380,100 Building $706,611 | ||
| 2025 | $24,732.00 Homeowner's exemption | $2,045,796 Land $1,353,040 Building $692,756 | |
| 2023 | $23,260.00 (+3.43%) Homeowner's exemption | $1,966,356 Land $1,300,500 Building $665,856 | $2,070,180 |
| 2022 | $22,488.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 2131 Lyon Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim 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 | 2 in force |
| Nearby Flood Claims | 1 (1983) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 1983 · Coastal Storms, Floods, Slides & Tornadoes |
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.
Wildfire risk around 2131 Lyon Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 98.4% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | MID-PENINSULA WATER DISTRICT serves 31,059 people · EPA ID CA4110001 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Feb 2025 |
| Lead | Under 1 ppb (2022–2024) 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 891 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 in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: Astound Broadband, T-Mobile, Verizon.
5G (outdoors only) and 4G LTE
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