506 Helen Dr, Millbrae, CA 94030 Property Records

San Mateo County property record for 506 Helen Dr, Millbrae, CA 94030

Property Summary

Property Type	Single Family Home
Details	2 bd · 2 ba · 1,600 sqft · built 1948
Lot Size	0.115 acres (5,024 sqft)
Owner	2 Individual Names on File
Last Sale	$382,000 (Dec 1997)
Tax Bill	$8,457 (2025)
Deeds & Mortgages	Oct 2025 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`021-333-020`

Property Details

APN / Parcel Number

Primary APN	`021-333-020`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,600 sqft Living Area
1st Floor Area	1,290 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1948
Effective Year Built	Effective 1948
Architectural Style	Contemporary
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Composition Shingle
Lot Area	5,024 sqft (0.115 acres)
Lot Dimensions	91 ft deep x 55 ft wide
Garage Area	410 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	506 HELEN DR
City	MILLBRAE
State	CA
Zip	94030-1620
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 3 BLOCK 17 MEADOW GLEN UNIT NO 2 RSM 29/27 CITY OF MILLBRAE
Legal Subdivision	MEADOW GLEN UNIT NO 2
Legal Block	17
Legal Lot Number	3
Jurisdiction	SAN MATEO CA
Township / Civil Division	SOUTH SAN FRANCISCO
Census Block Group	1
Census Block	1001
Census Tract	604500

Owner

Source: San Mateo County records · APN 021-333-020

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 Individual Names on File
Mailing Address	506 HELEN DR, MILLBRAE, CA 94030-1620
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Dec 19, 1997 · Amount on Record
Deed Sale	Dec 19, 1997 · Amount on Record
Deed Document Number	1997167534
Last Transfer Date	Aug 05, 2025
Transfer Doc	0000057830
Record Updated	Sep 20, 2026

October 2025: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Oct 30, 2025
Property Address	506 HELEN DR, MILLBRAE, CA 94030-1620
Document Number	0000057830
Map Reference	MB 29 PG 27
Instrument Date	Aug 05, 2025
Instrument	2025-057830
Transaction Type	Transfer
Record Updated	Dec 01, 2025
Title Company	ATLANTIS TITLE COMPANY, ATLAS TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	506 HELEN DR, MILLBRAE, CA 94030-1620

Mortgage

Document Number	0000057831
Date	Oct 30, 2025
Instrument	2025-057831

Lender

Name	EMPOWER HOME LOANS INC
Type	Non-Lending Institution

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	359 Months
Due	Sep 01, 2055

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 and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$622,130 (+2%) Land $311,065 Building $311,065
2025	$8,457.00 (+4.72%) Homeowner's exemption	$609,932 (+4.04%) Land $304,966 Building $304,966
2024	$8,076.00 (+2.07%)
2023	$7,912.00 (+19.32%) Homeowner's exemption	$586,250 Land $293,125 Building $293,125	$1,487,880
2022	$6,631.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), as of September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060816045001, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

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

Wildfire

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	Direct burnable vegetation at the parcel

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 · 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.

Based on FCC filings for 586 locations within half a mile of this property.

Drinking Water

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

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.