San Mateo County property record for 620 Mill St, Half Moon Bay, CA 94019
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2 ba · 2,040 sqft · built 1965 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Company Name on Record |
| Last Sale | $280,000 (Sep 1997) |
| Tax Bill | $8,160 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 056-162-100 |
| Primary APN | 056-162-100 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 2,040 sqft Living Area |
| 1st Floor Area | 2,040 sqft |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1965 |
| Architectural Style | Duplex Single |
| Lot Area | 5,000 sqft (0.115 acres) |
| Lot Dimensions | 100 ft deep x 50 ft wide |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 620 MILL ST |
|---|---|
| City | HALF MOON BAY |
| State | CA |
| Zip | 94019-1727 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R30000 |
| Legal Description | LOT 7 BLOCK 19 SPANISHTOWN |
| Legal Subdivision | SPANISHTOWN |
| Legal Block | 19 |
| Legal Lot Number | 7 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | HALF MOON BAY |
| Census Block Group | 4 |
| Census Block | 4011 |
| Census Tract | 613702 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 1103 ROYAL LN, SAN CARLOS, CA 94070-4272 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 18, 1997 · Amount on Record |
| Deed Sale | Sep 18, 1997 · Amount on Record |
| Deed Document Number | 1997119732 |
| Last Transfer Date | Dec 6, 2002 |
| Transfer Doc | 0000257807 |
| 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 |
|---|---|---|
| 2026 | $456,009 (+2%) Land $162,858 Building $293,151 | |
| 2025 | $8,160.00 (+11.64%) | $447,068 (+4.04%) Land $159,665 Building $287,403 |
| 2023 | $7,309.00 (+4.73%) | $429,710 Land $153,466 Building $276,244 |
| 2022 | $6,979.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 Record median of 14 policies |
| Nearby Flood Policies | 14 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 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 374 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 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless · Fiber in parts of the area | 100 / 20 |
May also be available: T-Mobile.
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