San Mateo County property record for 433 Wave Ave, Half Moon Bay, CA 94019
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,030 sqft · built 1981 |
| Lot Size | 0.176 acres (7,650 sqft) |
| Owner | Individual Name on File |
| Last Sale | $366,000 (Apr 1997) |
| Tax Bill | $8,455 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 048-211-080 |
| Primary APN | 048-211-080 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,030 sqft Living Area |
| Gross Area | 2,470 sqft |
| 1st Floor Area | 2,030 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1981 |
| Architectural Style | Ranch |
| Exterior Material | Shingles |
| Roof Material | Wood Shingle |
| Lot Area | 7,650 sqft (0.176 acres) |
| Lot Dimensions | 127 ft deep x 60 ft wide |
| Garage Type | Attached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 433 WAVE AVE |
|---|---|
| City | HALF MOON BAY |
| State | CA |
| Zip | 94019-1428 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | M10000 |
| Legal Description | LOTS 30A 30B BLOCK 5 EL MAR BEACH |
| Legal Subdivision | EL MAR BEACH |
| Legal Block | 5 |
| Legal Lot Number | 30A |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | HALF MOON BAY |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 613501 |
433 Wave Ave is owned by an individual who bought it in April 1997.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 2720 PALOS VERDES DR W, PALOS VERDES ESTATES, CA 90274-2838 |
| Owner Type | Individual |
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 | Name on Deed |
|---|---|
| Last Sale | Apr 22, 1997 · Amount on File |
| Deed Sale | Apr 22, 1997 · Amount on File |
| Deed Document Number | 199746346 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 433 Wave Ave was $8,455.
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 | $607,994 (+2%) Land $303,997 Building $303,997 | ||
| 2025 | $8,455.00 Homeowner's exemption | $596,074 Land $298,037 Building $298,037 | |
| 2023 | $7,600.00 (+2.98%) Homeowner's exemption | $572,930 Land $286,465 Building $286,465 | $1,417,140 |
| 2022 | $7,380.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 433 Wave Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.
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 12 policies |
| Nearby Flood Policies | 12 in force |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
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 433 Wave 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 | Indirect within 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 223 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Cruzio, Verizon.
5G (outdoors only) and 4G LTE
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