25 Aster Ave, Hillsborough (Burlingame), CA 94010 Property Records

San Mateo County property record for 25 Aster Ave, Hillsborough, CA 94010

Property Summary

Property Type	Single Family Home
Details	5 bd · 6.5 ba · 6,300 sqft · built 1987
Lot Size	0.619 acres (26,966 sqft)
Owner	2 Company Names on Record
Last Sale	$10,650,000 (Sep 2021)
Tax Bill	$132,475 (2025)
Deeds & Mortgages	Jul 2021 Mortgage Sep 2021 Sale & Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`028-271-030`

Property Details

APN / Parcel Number

Primary APN	`028-271-030`

Interior

Bedrooms	5 Beds
Full Baths	6.5 Baths
Half Baths	1 Half Bath
Total Rooms	12 Rooms
Stories	3 Stories
Building Area	6,300 sqft Living Area
1st Floor Area	3,390 sqft
2nd Floor Area	2,150 sqft
Family Room	Family Room
Study	Study
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1987
Effective Year Built	Effective 1987
Architectural Style	Colonial
Exterior Material	Wood
Construction Type	Wood
Roof Material	Wood Shingle
Lot Area	26,966 sqft (0.619 acres)
Garage Area	900 sqft
Parking Spaces	4 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	25 ASTER AVE
City	HILLSBOROUGH
State	CA
Zip	94010-6442
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10000
Legal Description	PARCEL B PARCEL MAP VOL 58/7-8
Legal Subdivision	MAP #3 OF BURLINGAME PARK
Legal Lot Number	3-8
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2007
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	25 ASTER AVE, HILLSBOROUGH, CA 94010-6442
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jul 1, 2021	Deed of Trust, Mortgage · Conventional Mortgage STIFEL BANK & TRUST
Sep 13, 2021	Grant Deed, Transfer · Conventional Mortgage CITIBANK NA
Jan 8, 2018	Deed of Trust, Mortgage STIFEL BK&TR
Sep 29, 2017	Deed of Trust, Mortgage · Line of Credit STIFEL BK&TR
Aug 7, 2017	Grant Deed, Transfer STIFEL BK&TR

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 13, 2021 · Amount on Record
Deed Sale	Sep 13, 2021 · Amount on Record
Prior Sale	Aug 7, 2017 · Amount on Record
Deed Document Number	2021131234
Prior Transfer Date	Mar 8, 2011
Prior Transfer Doc	0000033070
Record Updated	Oct 29, 2026

July 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	25 ASTER AVE, HILLSBOROUGH, CA 94010-6442
Transaction Type	Mortgage
Record Updated	Aug 5, 2022
Title Company	BOSTON NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	25 ASTER AVE, HILLSBOROUGH, CA 94010-6442

Mortgage

Document Number	0000100254
Date	Jul 1, 2021
Instrument	2021-100254

Lender

Name	STIFEL BANK & TRUST
Type	Bank
Address	SAINT LOUIS, MO 63141

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jul 1, 2051

September 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Sep 13, 2021
Property Address	25 ASTER AVE, HILLSBOROUGH, CA 94010-6442
Document Number	0000131234
Map Reference	MB 58 PG 7&8
Instrument Date	Sep 7, 2021
Instrument	2021-131234
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	LAWYERS TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$11,715.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	25 ASTER AVE, HILLSBOROUGH, CA 94010-6442

Mortgage

Document Number	0000131235
Date	Sep 13, 2021
Instrument	2021-131235

Lender

Name	CITIBANK NA
Type	Bank

Agreement

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

January 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	25 ASTER AVE, HILLSBOROUGH, CA 94010-6442
Document Number	0000001972
Instrument Date	Jan 8, 2018
Transaction Type	Mortgage
Record Updated	Feb 9, 2018
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	25 ASTER AVE HILLSBOROUGH CA 940106442, HILLSBOROUGH, CA 94010-6442

Mortgage

Document Number	0000001972
Date	Jan 12, 2018
Instrument	1972

Lender

Name	STIFEL BK&TR
Type	Bank
Address	12655 OLIVE BLVD # 250, ST LOUIS, MO 63141-6343

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Jan 11, 2048

Interest

Rate Type	Adjustable Rate
Rate	3.62%

September 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	25 ASTER AVE, HILLSBOROUGH, CA 94010-6442
Document Number	0000090090
Instrument Date	Sep 29, 2017
Transaction Type	Mortgage
Record Updated	Nov 23, 2017
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	25 ASTER AVE HILLSBOROUGH CA 940106442, HILLSBOROUGH, CA 94010-6442

Mortgage

Document Number	0000090090
Date	Oct 12, 2017
Instrument	90090

Lender

Name	STIFEL BK&TR
Type	Bank
Address	ST LOUIS, MO 63141

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	60 Months
Due	Oct 11, 2022

Interest

Rate Type	Adjustable Rate

August 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Aug 7, 2017
Property Address	25 ASTER AVE, HILLSBOROUGH, CA 94010-6442
Document Number	0000068282
Instrument Date	Jul 27, 2017
Instrument	68282
Transaction Type	Transfer
Record Updated	Oct 17, 2017
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$8,470.00
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	25 ASTER AVE HILLSBOROUGH CA 940106442, HILLSBOROUGH, CA 94010-6442

Mortgage

Document Number	68283
Date	Aug 7, 2017
Instrument	68283

Lender

Name	STIFEL BK&TR
Type	Bank
Address	12655 OLIVE BLVD # 250, ST LOUIS, MO 63141-6343

Agreement

Amount	Amount Recorded
Term	276 Months
Due	Aug 6, 2040

Interest

Rate Type	Adjustable Rate
Rate	3%

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		$11,783,901 (+4.27%) Land $4,437,971 Building $7,345,930
2025	$132,475.00 (+3.6%)	$11,301,864 (+4.04%) Land $4,350,952 Building $6,950,912
2023	$127,877.00 (+4.32%)	$10,863,000 Land $4,182,000 Building $6,681,000	$7,934,580
2022	$122,580.00

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	3 in force

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	None beyond ember reach

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

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
Sonic Telecom Fiber	1,000 / 1,000
Verizon Fixed Wireless	1,000 / 75

May also be available: Etheric Networks, T-Mobile.

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