San Mateo County property record for 648 Santa Barbara Ave, Millbrae, CA 94030
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,670 sqft · built 1950 |
| Lot Size | 0.177 acres (7,723 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $4,278 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 021-065-170 |
| Primary APN | 021-065-170 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,670 sqft Living Area |
| 1st Floor Area | 950 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 7,723 sqft (0.177 acres) |
| Lot Dimensions | 154 ft deep x 50 ft wide |
| Garage Area | 240 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 648 SANTA BARBARA AVE |
|---|---|
| City | MILLBRAE |
| State | CA |
| Zip | 94030-1127 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 23 BLOCK 15 LOMITA HILLS NO 2 RSM 30/23 CITY OF MILLBRAE |
| Legal Subdivision | LOMITA HILLS |
| Legal Block | 15 |
| Legal Lot Number | 23 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SOUTH SAN FRANCISCO |
| Census Block Group | 2 |
| Census Block | 2018 |
| Census Tract | 604500 |
648 Santa Barbara Ave is owner-occupied and held in a trust since July 1999.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 648 SANTA BARBARA AVE, MILLBRAE, CA 94030-1127 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Trust, Revocable Trust |
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 Transfer Date | Jul 6, 1999 |
| Transfer Doc | 0000151299 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 648 Santa Barbara Ave was $4,278 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 | 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 | $233,552 (+2%) Land $47,105 Building $186,447 | ||
| 2025 | $4,278.00 Homeowner's exemption | $228,974 Land $46,182 Building $182,792 | |
| 2023 | $3,942.00 (+49.26%) Homeowner's exemption | $220,085 Land $44,390 Building $175,695 | $1,744,020 |
| 2022 | $2,641.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 648 Santa Barbara Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 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.
Wildfire risk around 648 Santa Barbara Ave is low, with a 0.01% 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 | 0.01% annual chance |
| Exposure | None beyond 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 | 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 723 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 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Sail Internet, Verizon.
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