517 Helen Dr, Millbrae, CA 94030 Property Records

San Mateo County property record for 517 Helen Dr, Millbrae, CA 94030

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,410 sqft · built 1948
Lot Size	0.115 acres (5,000 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,410,000 (Mar 2017)
Tax Bill	$20,420 (2025)
Deeds & Mortgages	Mar 2021 Mortgage Oct 2017 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`021-331-270`

Property Details

APN / Parcel Number

Primary APN	`021-331-270`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,410 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	Ranch
Exterior Material	Stucco
Roof Material	Composition Shingle
Lot Area	5,000 sqft (0.115 acres)
Lot Dimensions	100 ft deep x 50 ft wide
Garage Area	410 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	517 HELEN DR
City	MILLBRAE
State	CA
Zip	94030-1619
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 41 BLOCK 18 MEADOW GLEN UNIT NO 2 RSM 29/27 CITY OF MILLBRAE
Legal Subdivision	MEADOW GLEN UNIT NO 2
Legal Block	18
Legal Lot Number	41
Jurisdiction	SAN MATEO CA
Township / Civil Division	SOUTH SAN FRANCISCO
Census Block Group	1
Census Block	1000
Census Tract	604700

Owner

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 Individual Names on Record
Mailing Address	517 HELEN DR, MILLBRAE, CA 94030-1619
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Mar 11, 2021	Deed of Trust, Mortgage · Conventional Mortgage WATERMARK CAPITAL INC
Oct 23, 2017	Deed of Trust, Mortgage BANK OF AMERICA
Mar 30, 2017	Grant Deed, Transfer PRIVATE INDIVIDUAL

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 30, 2017 · Amount on Record
Deed Sale	Mar 30, 2017 · Amount on Record
Deed Document Number	201728012
Record Updated	Oct 29, 2026

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	517 HELEN DR, MILLBRAE, CA 94030-1619
Transaction Type	Mortgage
Record Updated	Aug 5, 2022
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATL TTL ORANGE CNT

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	517 HELEN DR, MILLBRAE, CA 94030-1619

Mortgage

Document Number	0000040150
Date	Mar 11, 2021
Instrument	2021-040150

Lender

Name	WATERMARK CAPITAL INC
Type	Mortgage Company
Address	IRVINE, CA 92618

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2051

October 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	517 HELEN DR, MILLBRAE, CA 94030-1619
Document Number	0000100132
Instrument Date	Oct 23, 2017
Transaction Type	Mortgage
Record Updated	Aug 28, 2018
Title Company	AMERICAN COAST TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	517 HELEN DR MILLBRAE CA 940301619, MILLBRAE, CA 94030-1619

Mortgage

Document Number	0000100132
Date	Nov 10, 2017
Instrument	100132

Lender

Name	BANK OF AMERICA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Nov 9, 2047

March 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Mar 30, 2017
Property Address	517 HELEN DR, MILLBRAE, CA 94030-1619
Document Number	0000028012
Instrument Date	Mar 22, 2017
Instrument	28012
Transaction Type	Transfer
Record Updated	Apr 24, 2017
Title Company	USA TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,551.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	517 HELEN DR MILLBRAE CA 940301619, MILLBRAE, CA 94030-1619

Mortgage

Document Number	28013
Date	Mar 30, 2017
Instrument	28013

Lender

Name	PRIVATE INDIVIDUAL
Type	Private Party
Address	10991 N DE ANZA BLVD, CUPERTINO, CA 95014-6303

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Mar 29, 2047

Tax Assessment & Valuation

Source: San Mateo County assessment roll, as of July 15, 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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$1,669,149 (+2%) Land $1,183,795 Building $485,354
2025	$20,420.00 (+4.85%) Homeowner's exemption	$1,636,422 (+4.04%) Land $1,160,584 Building $475,838
2023	$19,476.00 (+12.03%) Homeowner's exemption	$1,572,879 Land $1,115,518 Building $457,361	$1,477,080
2022	$17,384.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective September 10, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

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	Direct burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

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

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, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 586 locations within half a mile, as of December 31, 2025

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 Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Sail Internet, Verizon.

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