San Mateo County property record for 307 Madrone St, Millbrae, CA 94030
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 720 sqft · built 1959 |
| Lot Size | 0.058 acres (2,524 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $5,520 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 021-301-160 |
| Primary APN | 021-301-160 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Building Area | 720 sqft Living Area |
| 1st Floor Area | 720 sqft |
| Family Room | Family Room |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1959 |
| Lot Area | 2,524 sqft (0.058 acres) |
| Lot Dimensions | 50 ft deep x 50 ft wide |
| Garage Area | 230 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 307 MADRONE ST |
|---|---|
| City | MILLBRAE |
| State | CA |
| Zip | 94030-2016 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R20000 |
| Legal Description | LOT 29 BLOCK 1 MARINO VISTA PARK |
| Legal Subdivision | MARINO VISTA PARK |
| Legal Block | 1 |
| Legal Lot Number | 29 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SOUTH SAN FRANCISCO |
| Census Block Group | 2 |
| Census Block | 2015 |
| Census Tract | 604400 |
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 | 307 MADRONE ST, MILLBRAE, CA 94030-2016 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | May 15, 2008 |
| Transfer Doc | 0000061684 |
| 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 | $331,866 (+2%) Land $156,169 Building $175,697 | ||
| 2025 | $5,520.00 (+5.24%) Homeowner's exemption | $325,359 (+4.04%) Land $153,107 Building $172,252 | |
| 2023 | $5,245.00 (+43.66%) Homeowner's exemption | $312,726 Land $147,162 Building $165,564 | $774,270 |
| 2022 | $3,651.00 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 83 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 83 in force |
| Nearby Flood Claims | 10 (1982–1983) |
| Claims Outside the SFHA | 7 of 10 |
| Most Recent Claim | Jan 1983 · tidal / storm surge |
| Claims by Event |
|
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 | 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 501 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| Sail Internet Fixed Wireless · DSL in parts of the area | 200 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, GeoLinks, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures