San Mateo County property record for 105 Quartz Ave, Half Moon Bay, CA 94019
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 3,590 sqft · built 2006 |
| Lot Size | 0.197 acres (8,583 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,275,000 (Jul 2014) |
| Tax Bill | $19,314 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 056-064-470 |
| Primary APN | 056-064-470 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 3,590 sqft Living Area |
| 1st Floor Area | 2,020 sqft |
| 2nd Floor Area | 1,570 sqft |
| Family Room | Family Room |
| Year Built | Built 2006 |
|---|---|
| Effective Year Built | Effective 2006 |
| Lot Area | 8,583 sqft (0.197 acres) |
| Lot Dimensions | 110 ft deep x 80 ft wide |
| View / Lot | Corner |
| Garage Area | 650 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 105 QUARTZ AVE |
|---|---|
| City | HALF MOON BAY |
| State | CA |
| Zip | 94019-1568 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 2 & PTN OF LOT 1 BLK 5 HIGHLAND PARK RSM 4/4 |
| Legal Subdivision | HIGHLAND PARK |
| Legal Block | 5 |
| Legal Lot Number | 2,1 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | HALF MOON BAY |
| Census Block Group | 2 |
| Census Block | 2050 |
| Census Tract | 613501 |
105 Quartz Ave is owned and occupied by two individuals who bought it in July 2014.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 105 QUARTZ AVE, HALF MOON BAY, CA 94019-1568 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 Sale | Jul 30, 2014 · Amount on File |
| Deed Sale | Jul 30, 2014 · Amount on File |
| Prior Sale | Jan 20, 2004 |
| Deed Document Number | 201467768 |
| Prior Transfer Date | Aug 16, 2007 |
| Prior Transfer Doc | 0000132154 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 105 Quartz Ave was $19,314 with a homeowner's exemption.
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 | $1,562,994 (+2%) Land $781,497 Building $781,497 | ||
| 2025 | $19,314.00 Homeowner's exemption | $1,532,348 Land $766,174 Building $766,174 | |
| 2023 | $17,439.00 (+2.09%) Homeowner's exemption | $1,472,846 Land $736,423 Building $736,423 | $2,396,430 |
| 2022 | $17,082.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 105 Quartz Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1983.
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 | 6 in force |
| Nearby Flood Claims | 1 (1983) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 1983 · Coastal Storms, Floods, Slides & Tornadoes |
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 105 Quartz Ave is moderate, ranking above 44% of the US, with a 0.08% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 44% of the US · lower than 74% of California |
|---|---|
| Wildfire Likelihood | 0.08% 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 | 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 219 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Cruzio Fixed Wireless | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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