San Mateo County property record for 3817 Naughton Ave, Belmont, CA 94002
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 1,950 sqft · built 2000 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $2,100,000 (Nov 2017) |
| Tax Bill | $29,146 (2025) |
| Deeds & Mortgages | Nov 2017 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 043-111-180 |
| Primary APN | 043-111-180 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,950 sqft Living Area |
| 1st Floor Area | 540 sqft |
| 2nd Floor Area | 220 sqft |
| Family Room | Family Room |
| Year Built | Built 2000 |
|---|---|
| Effective Year Built | Effective 2000 |
| Lot Area | 5,000 sqft (0.115 acres) |
| Lot Dimensions | 100 ft deep x 50 ft wide |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | None |
|---|---|
| Heating System | Central |
| Street Address | 3817 NAUGHTON AVE |
|---|---|
| City | BELMONT |
| State | CA |
| Zip | 94002-1214 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 7 BLK 107 BELMONT CO CLUB PROP 8 RSM 14/65 68 |
| Legal Subdivision | BELMONT CO CLUB PROP 8 |
| Legal Block | 107 |
| Legal Lot Number | 7 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 5 |
| Census Block | 5000 |
| Census Tract | 608800 |
3817 Naughton Ave is owned and occupied by two individuals who bought it in November 2017.
Source: San Mateo County records, as of August 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3817 NAUGHTON AVE, BELMONT, CA 94002-1214 |
| 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 | Nov 14, 2017 · Amount on File |
| Deed Sale | Nov 14, 2017 · Amount on File |
| Prior Sale | Sep 1, 2015 · Amount on File |
| Deed Document Number | 2017101127 |
| Prior Transfer Date | Dec 17, 2004 |
| Prior Transfer Doc | 0000251573 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Nov 14, 2017 |
| Property Address | 3817 NAUGHTON AVE, BELMONT, CA 94002-1214 |
| Document Number | 0000101127 |
| Map Reference | MAP14 PG65-68 |
| Instrument Date | Nov 9, 2017 |
| Instrument | 2017-101127 |
| Transaction Type | Transfer |
| Record Updated | Aug 9, 2021 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 3817 NAUGHTON AVE, BELMONT, CA 94002-1214 |
| Document Number | 0000101128 |
|---|---|
| Date | Nov 14, 2017 |
| Instrument | 2017-101128 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 1, 2047 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 3% |
| Type Change Date | Dec 1, 2024 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 8% |
| Index | 1-Year LIBOR |
| Max Rate | 8% |
The 2025 property tax bill for 3817 Naughton Ave was $29,146 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 | $2,437,224 (+2%) Land $1,706,059 Building $731,165 | ||
| 2025 | $29,146.00 Homeowner's exemption | $2,389,436 Land $1,672,607 Building $716,829 | |
| 2023 | $27,443.00 (+4.82%) Homeowner's exemption | $2,296,653 Land $1,607,658 Building $688,995 | $2,189,340 |
| 2022 | $26,182.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3817 Naughton Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1980.
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 Claims | 1 (1980) |
| Most Recent Claim | Jan 1980 · tidal / storm surge |
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 3817 Naughton Ave is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 97.4% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 314 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 1,000 / 75 |
May also be available: Etheric Networks, Sonic Telecom, T-Mobile.
5G (outdoors only) and 4G LTE
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