345 Madrone St, Millbrae, CA 94030 Property Records

San Mateo County property record for 345 Madrone St, Millbrae, CA 94030

Property Summary

Property Type	Duplex
Details	2 bd · 2 ba · 1,168 sqft · built 1959
Lot Size	0.082 acres (3,559 sqft)
Owner	2 Company Names on File
Tax Bill	$5,689 (2025)
Flood Zone	Zone AE (high risk)
APN	`021-301-270`

Property Details

APN / Parcel Number

Primary APN	`021-301-270`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Units	2 Units
Stories	1 Story
Building Area	1,168 sqft Living Area
1st Floor Area	1,168 sqft

Exterior

Year Built	Built 1959
Effective Year Built	Effective 1959
Architectural Style	Duplex Single
Lot Area	3,559 sqft (0.082 acres)
Lot Dimensions	98 ft deep x 38 ft wide
View / Lot	Easement
Garage Type	Detached
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	345 MADRONE ST
City	MILLBRAE
State	CA
Zip	94030-2016
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	R20000
Legal Description	LOT 7 & NELY 1/2 OF LOT 8 BLOCK 1 MARINO VISTA PARK
Legal Subdivision	MARINO VISTA PARK
Legal Block	1
Legal Lot Number	7,8
Jurisdiction	SAN MATEO CA
Township / Civil Division	SOUTH SAN FRANCISCO
Census Block Group	2
Census Block	2015
Census Tract	604400

Owner

Source: San Mateo County records · APN 021-301-270

Assessment roll updated 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	347 MADRONE ST, MILLBRAE, CA 94030-2016
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Transfer Date	Nov 08, 2011
Transfer Doc	0000008317
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 2026

Property Jurisdictions

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)

Tax Bill & Assessment History

Assessed value is set for property tax purposes and is not a market price estimate.

Year	Tax Bill	Assessed Value
2026		$227,228 (+2%) Land $79,517 Building $147,711
2025	$5,689.00 (+4.94%) Homeowner's exemption	$222,773 (+4.04%) Land $77,958 Building $144,815
2023	$5,421.00 (+94.72%) Homeowner's exemption	$214,125 Land $74,932 Building $139,193
2022	$2,784.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 10, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	10.0 ft
Flood Insurance Requirement	Required federally backed loans
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	Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 8 claims

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Etheric Communications, LLC. Fixed Wireless	250 / 100

May also be available: Sail Internet Holdings.

Based on FCC filings for 13 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System 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

Violations Reported to EPA

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.