520 Darrell Rd, Hillsborough (Burlingame), CA 94010 Property Records

San Mateo County property record for 520 Darrell Rd, Hillsborough, CA 94010

Property Summary

Property Type	Single Family Home
Details	6 bd · 5.5 ba · 4,634 sqft · built 1955
Lot Size	0.528 acres (23,013 sqft)
Owner	2 Trust Names on File
Last Sale	$6,400,000 (Jul 2026)
Tax Bill	$51,675 (2025)
Deeds & Mortgages	Jul 2026 Sale Jul 2026 Sale + 4 more
Flood Zone	Zone X (minimal risk)
APN	`030-042-120`

Property Details

APN / Parcel Number

Primary APN	`030-042-120`

Interior

Bedrooms	6 Beds
Full Baths	5.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	1 Story
Building Area	4,634 sqft Living Area
1st Floor Area	2,755 sqft
Basement Area	605 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1955
Effective Year Built	Effective 1955
Architectural Style	Ranch
Exterior Material	Wood
Construction Type	Wood
Roof Material	Wood Shingle
Lot Area	23,013 sqft (0.528 acres)
Lot Dimensions	162 ft deep x 140 ft wide
Garage Area	560 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	520 DARRELL RD
City	HILLSBOROUGH
State	CA
Zip	94010-6712
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10025
Legal Description	LOT 3 BLOCK 2 CHATEAU ACRES MAP NO 1 RSM 32/6 7 TOWN OF HILLSBOROUGH
Legal Subdivision	CHATEAU ACRES MAP NO 1
Legal Block	2
Legal Lot Number	3
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	4
Census Block	4030
Census Tract	605600

Owner

520 Darrell Rd is owner-occupied and held in a trust since July 2026.

Source: San Mateo County records, as of September 1, 2026

Owner of Record	2 Trust Names on File
Mailing Address	520 DARRELL RD, HILLSBOROUGH, CA 94010-6712
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Jul 17, 2026	Grant Deed, Transfer LAWYERS LAND TITLE COMPANY, LAWYERS TITLE COMPANY
Jul 17, 2026	Deed, Transfer LAWYERS LAND TITLE COMPANY, LAWYERS TITLE COMPANY
Dec 18, 2025	Deed of Trust, Mortgage · Line of Credit FIVE STAR BANK
Jul 1, 2026	Deed of Trust, Mortgage · Line of Credit US BANK
Oct 6, 2021	Deed of Trust, Mortgage · Conventional Mortgage TIAA FSB HOLDINGS INC
Jan 14, 2019	Deed of Trust, Mortgage · Commercial Mortgage FIRST REPUBLIC BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 17, 2026 · Amount on File
Deed Sale	Jul 17, 2026 · Amount on File
Prior Sale	Aug 28, 2014 · Amount on File
Deed Document Number	202640895
Prior Transfer Date	Aug 25, 2014
Prior Transfer Doc	0000077919
Record Updated	Oct 29, 2026

July 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Jul 17, 2026
Property Address	520 DARRELL RD, HILLSBOROUGH, CA 94010-6712
Document Number	0000040895
Instrument Date	Jul 13, 2026
Instrument	202640895
Transaction Type	Transfer
Record Updated	Sep 1, 2026
Title Company	LAWYERS LAND TITLE COMPANY, LAWYERS TITLE COMPANY

Transaction

Amount	Amount on Record
Tax	$711,040.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	520 DARRELL RD, HILLSBOROUGH, CA 94010-6712
Investor	Possibly a Property Investor

July 2026: Deed, Transfer

Document Type	Deed
Jurisdiction	SAN MATEO CA
Recording Date	Jul 17, 2026
Property Address	520 DARRELL RD, HILLSBOROUGH, CA 94010-6712
Document Number	0000040894
Instrument Date	Jul 9, 2026
Instrument	202640894
Transaction Type	Transfer
Record Updated	Sep 1, 2026
Title Company	LAWYERS LAND TITLE COMPANY, LAWYERS TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Sole Owner
Address	4540 BENNETT VALLEY RD, SANTA ROSA, CA 95404-6246

December 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	520 DARRELL RD, HILLSBOROUGH, CA 94010-6712
Transaction Type	Mortgage
Record Updated	Jan 14, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	520 DARRELL RD, HILLSBOROUGH, CA 94010-6712

Mortgage

Document Number	0000069445
Date	Dec 18, 2025
Instrument	2025-069445

Lender

Name	FIVE STAR BANK
Type	Bank
Address	RANCHO CORDOVA, CA 95670

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate

July 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Recording Date	Jul 1, 2026
Property Address	520 DARRELL RD, HILLSBOROUGH, CA 94010-6712
Document Number	0000037447
Instrument Date	Nov 13, 2025
Instrument	202637447
Transaction Type	Mortgage
Record Updated	Aug 3, 2026
Title Company	SETTLEMENT SERVICES, RADIAN SETTLEMENT SERVICES I

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	520 DARRELL RD, HILLSBOROUGH, CA 94010-6712

Mortgage

Document Number	0000037447,
Date	Jul 1, 2026
Instrument	202637447

Lender

Name	US BANK

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate
Rate	6.27%
Initial Type	Adjustable Rate
Adjustable	Adjustable Rate Rider
Max Rate	-1%

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	520 DARRELL RD, HILLSBOROUGH, CA 94010-6712
Transaction Type	Mortgage
Record Updated	Oct 28, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	520 DARRELL RD, HILLSBOROUGH, CA 94010-6712

Mortgage

Document Number	0000142136
Date	Oct 6, 2021
Instrument	2021-142136

Lender

Name	TIAA FSB HOLDINGS INC
Type	Bank
Address	JACKSONVILLE, FL 32202

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	358 Months
Due	Aug 1, 2051

Interest

Rate Type	Adjustable Rate
Rate	2.37%
Type Change Date	Aug 1, 2028
Change Frequency	6 Months
Min Rate At Change	2.75%
Max Rate At Change	7.37%
Index	Other
Max Rate	7.37%

January 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	520 DARRELL RD, HILLSBOROUGH, CA 94010-6712
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000002497
Date	Jan 14, 2019
Instrument	2019-002497

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 520 Darrell Rd was $51,675 with a homeowner's exemption.

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		$4,166,652 (+2%) Land $2,696,949 Building $1,469,703
2025	$51,675.00 Homeowner's exemption	$4,084,954 Land $2,644,068 Building $1,440,886
2023	$49,761.00 (+4.24%) Homeowner's exemption	$3,926,333 Land $2,541,397 Building $1,384,936	$4,722,390
2022	$47,737.00

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

Flood

FEMA maps place 520 Darrell Rd in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1997.

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	5 in force
Nearby Flood Claims	2 (1997–2001)
Claims Outside the SFHA	2 of 2
Most Recent Claim	Mar 2001 · rainfall accumulation

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

Wildfire risk around 520 Darrell Rd is low, with a 0.02% annual chance of 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	0.02% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 36 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Etheric Networks.

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