San Mateo County property record for 171 Medio Ave, Half Moon Bay, CA 94019
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 3,320 sqft · built 1988 |
| Lot Size | 0.151 acres (6,569 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $9,427 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 048-013-370 |
| Primary APN | 048-013-370 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Building Area | 3,320 sqft Living Area |
| Gross Area | 3,910 sqft |
| 1st Floor Area | 1,880 sqft |
| 2nd Floor Area | 1,440 sqft |
| Basement Area | 590 sqft |
| Family Room | Family Room |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1988 |
| Lot Area | 6,569 sqft (0.151 acres) |
| Lot Dimensions | 100 ft deep x 66 ft wide |
| Garage Type | Basement |
| Garage Area | 590 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 171 MEDIO AVE |
|---|---|
| City | HALF MOON BAY |
| State | CA |
| Zip | 94019-5332 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOTS 13 14 BLOCK 3 SOUTH BALBOA |
| Legal Subdivision | SOUTH BALBOA |
| Legal Block | 3 |
| Legal Lot Number | 13 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | HALF MOON BAY |
| Census Block Group | 2 |
| Census Block | 2020 |
| Census Tract | 613502 |
Source: San Mateo County records, as of July 15, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 171 MEDIO AVE, HALF MOON BAY, CA 94019-5332 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jun 14, 2004 |
| Transfer Doc | 0000140420 |
| Record Updated | Sep 20, 2026 |
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Unified School District | Cabrillo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $732,118 (+2%) Land $292,842 Building $439,276 | ||
| 2025 | $9,427.00 (+11.61%) Homeowner's exemption | $717,763 (+4.04%) Land $287,100 Building $430,663 | |
| 2023 | $8,446.00 (+2.44%) Homeowner's exemption | $689,893 Land $275,952 Building $413,941 | $2,274,840 |
| 2022 | $8,245.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 VE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 16 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 16 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 67% of the US · lower than 81% of California |
|---|---|
| Wildfire Likelihood | 0.04% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 | COASTSIDE COUNTY WATER DISTRICT serves 19,033 people · EPA ID CA4110011 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jul 2023 |
| Lead | 2 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 347 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Cruzio Fixed Wireless | 1,000 / 1,000 |
May also be available: AT&T, Verizon.
5G (outdoors only) and 4G LTE
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