San Mateo County property record for 850 First Ave, Half Moon Bay, CA 94019
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,370 sqft · built 1970 |
| Lot Size | 0.118 acres (5,150 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $519,000 (Nov 2000) |
| Tax Bill | $10,693 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 064-072-080 |
| Primary APN | 064-072-080 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,370 sqft Living Area |
| 1st Floor Area | 1,370 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Wood Shingle |
| Lot Area | 5,150 sqft (0.118 acres) |
| Lot Dimensions | 62 ft deep x 89 ft wide |
| View / Lot | Corner |
| Garage Area | 480 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 850 FIRST AVE |
|---|---|
| City | HALF MOON BAY |
| State | CA |
| Zip | 94019-1856 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | PARCEL A BLK 22 PARCEL MAP VOL 10/44 |
| Legal Subdivision | AMENDED MAP OF ARLETA PARK |
| Legal Block | 22 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | HALF MOON BAY |
| Census Block Group | 1 |
| Census Block | 1027 |
| Census Tract | 613701 |
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 Company Names on Record |
|---|---|
| Mailing Address | 3879 MAY CT, PALO ALTO, CA 94303-4545 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 27, 2000 · Amount on Record |
| Deed Sale | Nov 27, 2000 · Amount on Record |
| Deed Document Number | 2000147589 |
| Last Transfer Date | Apr 15, 2002 |
| Transfer Doc | 0000093665 |
| Record Updated | Sep 20, 2026 |
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Municipality | Half Moon Bay City |
| Unified School District | Cabrillo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $797,676 (+2%) Land $398,838 Building $398,838 | ||
| 2025 | $10,693.00 (+11.03%) | $782,036 (+4.04%) Land $391,018 Building $391,018 | |
| 2023 | $9,631.00 (+2.63%) | $751,670 Land $375,835 Building $375,835 | $1,053,090 |
| 2022 | $9,384.00 |
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 7 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 | 0.02% 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 | 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 642 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 |
| Cruzio Fixed Wireless | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile.
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