San Mateo County property record for 4110 Marsten Ave, Belmont, CA 94002
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 2,021 sqft · built 1972 |
| Lot Size | 0.136 acres (5,933 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $4,643 (2025) |
| Deeds & Mortgages | Mar 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 043-052-100 |
| Primary APN | 043-052-100 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,021 sqft Living Area |
| Gross Area | 2,421 sqft |
| 1st Floor Area | 880 sqft |
| 2nd Floor Area | 720 sqft |
| Basement Area | 821 sqft |
| Finished Basement | 421 sqft |
| Unfinished Basement | 400 sqft |
| Family Room | Family Room |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1972 |
| Lot Area | 5,933 sqft (0.136 acres) |
| Lot Dimensions | 117 ft deep x 50 ft wide |
| Garage Type | Basement |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 4110 MARSTEN AVE |
|---|---|
| City | BELMONT |
| State | CA |
| Zip | 94002-1259 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 122 BLOCK 122 BELMONT CO CLUB 10 RSM 15/29 TO 38 |
| Legal Subdivision | BELMONT CO CLUB 10 |
| Legal Block | 122 |
| Legal Lot Number | 122 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 5 |
| Census Block | 5000 |
| Census Tract | 608800 |
4110 Marsten Ave is owner-occupied and held in a trust since September 1996.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 4110 MARSTEN AVE, BELMONT, CA 94002-1259 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 Transfer Date | Sep 6, 1996 |
| Transfer Doc | 0000124041 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 4110 MARSTEN AVE, BELMONT, CA 94002-1259 |
| Transaction Type | Mortgage |
| Record Updated | Apr 20, 2022 |
| Title Company | FIRST AMERICAN TITLE COMPANY RESID', FIRST AMER TTL CO RES DIV |
| Name | Verified Name |
|---|---|
| Address | 4110 MARSTEN AVE, BELMONT, CA 94002-1259 |
| Document Number | 0000026520 |
|---|---|
| Date | Mar 28, 2022 |
| Instrument | 2022-026520 |
| Name | ADVANTAGEFIRST LENDING INC |
|---|---|
| Type | Lending Institution |
| Address | RANCHO SANTA MARGARITA, CA 92688 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 241 Months |
| Due | Apr 1, 2042 |
The 2025 property tax bill for 4110 Marsten Ave was $4,643.
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 | $210,223 (+2%) Land $27,478 Building $182,745 | ||
| 2025 | $4,643.00 | $206,103 Land $26,940 Building $179,163 | |
| 2023 | $4,341.00 (-4.87%) | $198,103 Land $25,895 Building $172,208 | $2,198,610 |
| 2022 | $4,563.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4110 Marsten 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 4110 Marsten Ave is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Direct burnable vegetation |
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 and 4G LTE (outdoors only)
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