San Mateo County property record for 555 Helen Dr, Millbrae, CA 94030
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,610 sqft · built 1968 |
| Lot Size | 0.184 acres (8,023 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $782,000 (Nov 2000) |
| Tax Bill | $15,139 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 021-333-230 |
| Primary APN | 021-333-230 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,610 sqft Living Area |
| Gross Area | 3,390 sqft |
| 1st Floor Area | 2,610 sqft |
| Basement Area | 780 sqft |
| Family Room | Family Room |
| Fireplaces | 2 Fireplaces |
| Fireplace | Fireplace |
| Year Built | Built 1968 |
|---|---|
| Effective Year Built | Effective 1968 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Lot Area | 8,023 sqft (0.184 acres) |
| Lot Dimensions | 120 ft deep x 70 ft wide |
| Garage Type | Basement |
| Garage Area | 780 sqft |
| Parking Spaces | 2 Parking Spaces |
| Pool Type | Heated Pool |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 555 HELEN DR |
|---|---|
| City | MILLBRAE |
| State | CA |
| Zip | 94030-1650 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 5 BLOCK 2 GLENVIEW HIGHLANDS RSM 51/25 27 CITY OF MILLBRAE |
| Legal Subdivision | GLENVIEW HIGHLANDS |
| Legal Block | 2 |
| Legal Lot Number | 5 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SOUTH SAN FRANCISCO |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 604600 |
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 | 285 CASTENADA DR, MILLBRAE, CA 94030-3013 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 9, 2000 · Amount on Record |
| Deed Sale | Nov 9, 2000 · Amount on Record |
| Deed Document Number | 2000140729 |
| Last Transfer Date | Apr 19, 2014 |
| Transfer Doc | 0000036440 |
| Record Updated | Oct 29, 2026 |
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Municipality | Millbrae City |
| Elementary School District | Millbrae Elementary School District (KG - 08) |
| Secondary School District | San Mateo Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,201,898 (+2%) Land $600,949 Building $600,949 | ||
| 2025 | $15,139.00 (+4.79%) | $1,178,332 (+4.04%) Land $589,166 Building $589,166 | |
| 2023 | $14,447.00 (+14.09%) | $1,132,578 Land $566,289 Building $566,289 | $1,910,970 |
| 2022 | $12,663.00 |
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 Claims | 1 (2004) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 2004 · tidal / storm surge |
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 | 0.02% 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 | CITY OF MILLBRAE serves 22,795 people · EPA ID CA4110018 |
|---|---|
| Water Source | Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM |
| Last State Inspection | Apr 2025 |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 496 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: T-Mobile.
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