San Mateo County property record for 725 Chadbourne Ave, Millbrae, CA 94030
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 2 ba · 2,539 sqft · built 1912 |
| Lot Size | 0.132 acres (5,750 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $785,000 (Apr 2012) |
| Tax Bill | $14,337 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 024-267-020 |
| Primary APN | 024-267-020 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 2,539 sqft Living Area |
| 1st Floor Area | 2,539 sqft |
| Year Built | Built 1912 |
|---|---|
| Effective Year Built | Effective 1912 |
| Architectural Style | Duplex Single |
| Lot Area | 5,750 sqft (0.132 acres) |
| Lot Dimensions | 100 ft deep x 57 ft wide |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 725 CHADBOURNE AVE |
|---|---|
| City | MILLBRAE |
| State | CA |
| Zip | 94030-2422 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R20000 |
| Legal Description | LOT J BLOCK 23 LOT K BLOCK 23 NELY 7.5 FT OF LOT L BLOCK 23 RESUB OF BLKS 23 30 33 34 35 MILLBRAE VILLA |
| Legal Subdivision | MILLBRAE VILLA |
| Legal Block | 23 |
| Legal Lot Number | J,K,L |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SOUTH SAN FRANCISCO |
| Census Block Group | 3 |
| Census Block | 3018 |
| Census Tract | 604800 |
Source: San Mateo County assessment roll, APN 024-267-020, as of July 15, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | 2809 RIVERA DR, BURLINGAME, CA 94010-5831 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Apr 17, 2012 · Amount on Record |
| Deed Sale | Apr 17, 2012 · Amount on Record |
| Deed Document Number | 201252351 |
| Prior Transfer Date | Mar 28, 2012 |
| Prior Transfer Doc | 0000052350 |
| Record Updated | Sep 20, 2026 |
Source: San Mateo County assessment roll as of July 15, 2026 · Last verified July 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,005,712 (+2%) Land $502,856 Building $502,856 | |
| 2025 | $14,337.00 (+5.11%) | $985,994 (+4.04%) Land $492,997 Building $492,997 |
| 2023 | $13,640.00 (+25.64%) | $947,708 Land $473,854 Building $473,854 |
| 2022 | $10,856.00 |
Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), as of September 10, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 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 |
| 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 are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, 802 locations within half a mile, as of December 31, 2025 · Last verified October 2026
| 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 Communications, LLC. Fixed Wireless | 250 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: California Internet, Sail Internet Holdings, Verizon.
Source: EPA Safe Drinking Water Information System, water system CA4110018, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF MILLBRAE serves 22,795 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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