801 Irwin Ct, Hillsborough (Burlingame), CA 94010 Property Records

San Mateo County property record for 801 Irwin Ct, Hillsborough, CA 94010

Property Summary

Property Type	Single Family Home
Details	4 bd · 4.5 ba · 3,655 sqft · built 1957
Lot Size	0.504 acres (21,965 sqft)
Owner	2 Company Names on Record
Last Sale	$2,348,000 (Jun 2003)
Tax Bill	$31,520 (2025)
Deeds & Mortgages	Oct 2022 Transfer Jan 2022 Transfer
Flood Zone	Zone X (minimal risk)
APN	`028-082-010`

Property Details

APN / Parcel Number

Primary APN	`028-082-010`

Interior

Bedrooms	4 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	1 Story
Building Area	3,655 sqft Living Area
1st Floor Area	2,760 sqft
Family Room	Family Room
Fireplaces	2 Fireplaces
Fireplace	Fireplace

Exterior

Year Built	Built 1957
Effective Year Built	Effective 1957
Architectural Style	Ranch
Exterior Material	Wood Siding
Construction Type	Frame
Roof Material	Wood Shingle
Lot Area	21,965 sqft (0.504 acres)
Garage Area	440 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	801 IRWIN CT
City	HILLSBOROUGH
State	CA
Zip	94010-6326
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10025
Legal Description	LOT 1 MARTIN SUBDIVISION RSM 41/47 TOWN OF
Legal Subdivision	MARTIN SUBDIVISION
Legal Lot Number	1
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	1
Census Block	1015
Census Tract	605600

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	801 IRWIN CT, HILLSBOROUGH, CA 94010-6326
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Oct 12, 2022	Intrafamily Transfer, Transfer
Jan 31, 2022	Affidavit of Death of Joint Tenant, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 11, 2003 · Amount on Record
Deed Sale	Jun 11, 2003 · Amount on Record
Deed Document Number	2003159599
Last Transfer Date	Oct 10, 2022
Transfer Doc	0000072609
Record Updated	Sep 20, 2026

October 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Oct 12, 2022
Property Address	801 IRWIN CT, HILLSBOROUGH, CA 94010-6326
Document Number	0000072609
Map Reference	MB 41 PG 47
Instrument Date	Oct 10, 2022
Instrument	2022-072609
Transaction Type	Transfer
Record Updated	Jun 7, 2023

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	801 IRWIN CT, HILLSBOROUGH, CA 94010-6326

January 2022: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	SAN MATEO CA
Recording Date	Jan 31, 2022
Property Address	801 IRWIN CT, HILLSBOROUGH, CA 94010-6326
Document Number	0000008614
Map Reference	MB 41 PG 47
Instrument Date	Jun 3, 2021
Instrument	2022-008614
Transaction Type	Transfer
Record Updated	Feb 23, 2022

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
Address	801 IRWIN CT, HILLSBOROUGH, CA 94010-6326

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	Hillsborough Town
Elementary School District	Hillsborough City 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		$2,321,526 (+2%) Land $1,160,763 Building $1,160,763
2025	$31,520.00 (+4.09%)	$2,276,006 (+4.04%) Land $1,138,003 Building $1,138,003
2023	$30,281.00 (+4.15%)	$2,187,628 Land $1,093,814 Building $1,093,814	$5,217,390
2022	$29,075.00

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 · 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 Policies	4 in force
Nearby Flood Claims	3 (1998–2023)
Claims Outside the SFHA	3 of 3
Most Recent Claim	Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides

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 97% of the US · lower than 97.8% 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	TOWN OF HILLSBOROUGH serves 11,766 people · EPA ID CA4110016
Water Source	Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State Inspection	Mar 2026
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	None 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 189 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250

May also be available: AT&T, Etheric Networks, Sonic Telecom, Verizon.

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