12 Shamrock Ct, Millbrae, CA 94030 Property Records

San Mateo County property record for 12 Shamrock Ct, Millbrae, CA 94030

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,180 sqft · built 1977
Lot Size	0.154 acres (6,696 sqft)
Owner	2 Company Names on Record
Last Sale	$2,160,000 (Jul 2025)
Tax Bill	$6,911 (2025)
Deeds & Mortgages	Sep 2025 Transfer Sep 2025 Transfer
Flood Zone	Zone X (minimal risk)
APN	`021-483-080`

Property Details

APN / Parcel Number

Primary APN	`021-483-080`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	8 Rooms
Building Area	2,180 sqft Living Area
1st Floor Area	1,290 sqft
2nd Floor Area	890 sqft
Family Room	Family Room

Exterior

Year Built	Built 1977
Effective Year Built	Effective 1977
Lot Area	6,696 sqft (0.154 acres)
Lot Dimensions	72 ft deep x 90 ft wide
Garage Area	560 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	12 SHAMROCK CT
City	MILLBRAE
State	CA
Zip	94030-1740
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	R1 LOT 8 BLOCK 2 GREEN HILLS SUB RSM 88/28-33
Legal Subdivision	GREEN HILLS SUB
Legal Block	2
Legal Lot Number	8
Jurisdiction	SAN MATEO CA
Township / Civil Division	SOUTH SAN FRANCISCO
Census Block Group	1
Census Block	1005
Census Tract	604500

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 Company Names on Record
Mailing Address	12 SHAMROCK CT, MILLBRAE, CA 94030-1740
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Date	Document
Sep 17, 2025	Intrafamily Transfer, Transfer
Sep 17, 2025	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 25, 2025 · Amount on Record
Deed Sale	Jul 25, 2025 · Amount on Record
Deed Document Number	202538151
Prior Transfer Date	Feb 3, 2025
Prior Transfer Doc	0000005625
Record Updated	Sep 20, 2026

September 2025: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Sep 17, 2025
Property Address	12 SHAMROCK CT, MILLBRAE, CA 94030-1740
Document Number	0000048713
Instrument Date	Sep 4, 2025
Instrument	2025-048713
Transaction Type	Transfer
Record Updated	Oct 13, 2025

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	Family Trust
Address	950 JOHN DALY BLVD STE 260, 260, DALY CITY, CA 94015-3004

September 2025: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Sep 17, 2025
Property Address	12 SHAMROCK CT, MILLBRAE, CA 94030-1740
Document Number	0000048712
Map Reference	MB 88 PG 28-33
Instrument Date	Sep 4, 2025
Instrument	2025-048712
Transaction Type	Transfer
Record Updated	Oct 13, 2025

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	950 JOHN DALY BLVD STE 260, 260, DALY CITY, CA 94015-3004

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		$2,160,000 (+355.15%) Land $1,600,000 Building $560,000
2025	$6,911.00 (-5.28%) Homeowner's exemption	$474,571 (+4.04%) Land $182,856 Building $291,715
2024	$7,296.00 (+13.77%)
2023	$6,413.00 (+23%) Homeowner's exemption	$456,145 Land $175,756 Building $280,389	$1,829,880
2022	$5,214.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

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
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

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.

Wildfire

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	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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