San Mateo County property record for 4 Shamrock Ct, Millbrae, CA 94030
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 3,220 sqft · built 1977 |
| Lot Size | 0.13 acres (5,678 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $6,894 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 021-483-100 |
| Primary APN | 021-483-100 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Building Area | 3,220 sqft Living Area |
| 1st Floor Area | 1,410 sqft |
| 2nd Floor Area | 950 sqft |
| Family Room | Family Room |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1977 |
| Lot Area | 5,678 sqft (0.13 acres) |
| Lot Dimensions | 76 ft deep x 75 ft wide |
| Garage Area | 640 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 4 SHAMROCK CT |
|---|---|
| City | MILLBRAE |
| State | CA |
| Zip | 94030-1740 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | R1 LOT 10 BLOCK 2 GREEN HILLS SUB RSM 88/28-33 |
| Legal Subdivision | GREEN HILLS SUB |
| Legal Block | 2 |
| Legal Lot Number | 10 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SOUTH SAN FRANCISCO |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 604500 |
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 | 4 SHAMROCK CT, MILLBRAE, CA 94030-1740 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Feb 10, 2003 |
| Transfer Doc | 0000067656 |
| 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 | 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 | $477,696 (+2%) Land $84,811 Building $392,885 | ||
| 2025 | $6,894.00 (+7.7%) Homeowner's exemption | $468,331 (+4.04%) Land $83,149 Building $385,182 | |
| 2023 | $6,401.00 (+26.73%) Homeowner's exemption | $450,147 Land $79,921 Building $370,226 | $2,184,300 |
| 2022 | $5,051.00 |
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 | 2 (1985–1998) |
| Claims Outside the SFHA | 1 of 2 |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 586 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Sail Internet, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures