San Mateo County property record for 803 Marsh Rd, Menlo Park, CA 94025
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 870 sqft · built 1949 |
| Lot Size | 0.109 acres (4,741 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $2,980 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 055-205-250 |
| Primary APN | 055-205-250 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 870 sqft Living Area |
| 1st Floor Area | 870 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Lot Area | 4,741 sqft (0.109 acres) |
| Lot Dimensions | 94 ft deep x 51 ft wide |
| Garage Area | 230 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 803 MARSH RD |
|---|---|
| City | MENLO PARK |
| State | CA |
| Zip | 94025-2051 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | BEING PTN OF LOT 18 ATHLONE TERRACE RSM 30/4 5 |
| Legal Subdivision | ATHLONE TERRACE |
| Legal Lot Number | 18 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 610602 |
803 Marsh Rd is owned and occupied by two individuals who acquired it in August 2003.
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 | 803 MARSH RD, MENLO PARK, CA 94025-2051 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Aug 12, 2003 |
| Transfer Doc | 0000226174 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 803 Marsh Rd was $2,980 with a homeowner's exemption.
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Elementary School District | Redwood City Elementary School District (KG - 08) |
| Secondary School District | Sequoia Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $95,956 (+2%) Land $42,391 Building $53,565 | ||
| 2025 | $2,980.00 Homeowner's exemption | $94,075 Land $41,560 Building $52,515 | |
| 2023 | $2,792.00 (+2.95%) Homeowner's exemption | $90,425 Land $39,948 Building $50,477 | $998,460 |
| 2022 | $2,712.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 803 Marsh Rd in Zone X, an area of minimal flood risk.
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 |
| Flood Insurance Cost | Premium on File median of 11 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 11 in force |
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 803 Marsh Rd 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 97% of the US · lower than 97.8% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 | CALIFORNIA WATER SERVICE - BEAR GULCH private · serves 60,382 people · EPA ID CA4110006 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Feb 2025 |
| Lead | 4 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 299 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Race Communications Fiber | 10,000 / 10,000 |
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Etheric Networks, Sonic Telecom.
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