2101 Trinity St, San Mateo, CA 94403 Property Records

San Mateo County property record for 2101 Trinity St, San Mateo, CA 94403

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 1,713 sqft · built 1954
Lot Size	0.116 acres (5,069 sqft)
Owner	2 Trust Names on File
Last Sale	$1,480,000 (May 2018)
Tax Bill	$22,368 (2025)
Deeds & Mortgages	Nov 2021 Mortgage Aug 2022 Transfer + 3 more
Flood Zone	Zone X (reduced by levee)
APN	`035-356-010`

Property Details

APN / Parcel Number

Primary APN	`035-356-010`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,713 sqft Living Area
1st Floor Area	1,200 sqft
Family Room	Family Room

Exterior

Year Built	Built 1954
Effective Year Built	Effective 1954
Lot Area	5,069 sqft (0.116 acres)
Lot Dimensions	100 ft deep x 51 ft wide
View / Lot	Corner
Garage Area	400 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	2101 TRINITY ST
City	SAN MATEO
State	CA
Zip	94403-1556
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 1 BLOCK 12 SAN MATEO VILLAGE UNIT NO 6 A RSM 37/39 40 CITY OF SAN MATEO
Legal Subdivision	SAN MATEO VILLAGE UNIT NO 6
Legal Block	12
Legal Lot Number	1
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2015
Census Tract	607500

Owner

2101 Trinity St is owner-occupied and held in a trust since October 2021.

Source: San Mateo County records, as of July 15, 2026

Owner of Record	2 Trust Names on File
Mailing Address	2101 TRINITY ST, SAN MATEO, CA 94403-1556
Occupancy	Owner Occupied
Owner Type	Company
Vesting	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
Nov 9, 2021	Deed of Trust, Mortgage · Conventional Mortgage BANK OF AMERICA NA
Aug 17, 2022	Intrafamily Transfer, Transfer
Dec 3, 2019	Deed of Trust, Mortgage · Conventional Mortgage STANFORD FCU
Sep 4, 2018	Deed of Trust, Mortgage · Line of Credit US BANK NA
May 29, 2018	Grant Deed, Transfer · ARM US BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 29, 2018 · Amount on File
Deed Sale	May 29, 2018 · Amount on File
Deed Document Number	201840929
Last Transfer Date	Oct 5, 2021
Transfer Doc	0000061358
Record Updated	Oct 29, 2026

November 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	2101 TRINITY ST, SAN MATEO, CA 94403-1556
Transaction Type	Mortgage
Record Updated	Dec 1, 2021
Title Company	LANDSAFE TITLE OF CALIFORNIA

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2101 TRINITY ST, SAN MATEO, CA 94403-1556

Mortgage

Document Number	0000156127
Date	Nov 9, 2021
Instrument	2021-156127

Lender

Name	BANK OF AMERICA NA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2051

Interest

Rate Type	Adjustable Rate
Rate	2.12%
Type Change Date	Dec 1, 2031
Change Frequency	6 Months
Min Rate At Change	2.5%
Max Rate At Change	7.12%
Index	Other
Max Rate	7.12%

August 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Aug 17, 2022
Property Address	2101 TRINITY ST, SAN MATEO, CA 94403-1556
Document Number	0000061358
Map Reference	MB 37 PG 39&40
Instrument Date	Oct 5, 2021
Instrument	2022-061358
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	Revocable Trust
Address	2101 TRINITY ST, SAN MATEO, CA 94403-1556

December 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	2101 TRINITY ST, SAN MATEO, CA 94403-1556
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000101951
Date	Dec 3, 2019
Instrument	2019-101951

Lender

Name	STANFORD FCU
Type	Credit Union
Address	PALO ALTO, CA 94303

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Dec 1, 2049

Interest

Rate Type	Adjustable Rate
Rate	2.87%
Type Change Date	Dec 1, 2026
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	4.87%
Index	1-Year LIBOR
Max Rate	7.87%

September 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	2101 TRINITY ST, SAN MATEO, CA 94403-1556
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	SOLIDIFI TITLE & CLOSING

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000068876
Date	Sep 4, 2018
Instrument	2018-068876

Lender

Name	US BANK NA
Type	Bank
Address	OSHKOSH, WI 54902

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	357 Months
Due	Jun 12, 2048

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

May 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	May 29, 2018
Property Address	2101 TRINITY ST, SAN MATEO, CA 94403-1556
Document Number	0000040929
Map Reference	MB37 PG39&40
Instrument Date	May 18, 2018
Instrument	2018-040929
Transaction Type	Transfer
Record Updated	Aug 9, 2021
Title Company	CORNERSTONE TITLE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Right of Survivorship
Address	2101 TRINITY ST, SAN MATEO, CA 94403-1556

Mortgage

Document Number	0000040930
Date	May 29, 2018
Instrument	2018-040930

Lender

Name	US BANK NA
Type	Bank

Agreement

Type	ARM
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2048

Interest

Rate Type	Adjustable Rate
Rate	3.62%
Type Change Date	Jun 1, 2025
Change Frequency	Annually
Min Rate At Change	2.75%
Max Rate At Change	8.62%
Index	1-Year CMT
Max Rate	8.62%

Tax Assessment & Valuation

The 2025 property tax bill for 2101 Trinity St was $22,368 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	San Mateo City
Elementary School District	San Mateo-Foster 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		$1,843,712 (+2%) Land $1,218,612 Building $625,100
2025	$22,368.00 Homeowner's exemption	$1,807,562 Land $1,194,718 Building $612,844
2023	$21,744.00 (+1.92%) Homeowner's exemption	$1,737,375 Land $1,148,327 Building $589,048	$1,764,810
2022	$21,335.00

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

Flood

FEMA maps place 2101 Trinity St in Zone X, where a levee reduces flood risk, though there have been 1 flood claim nearby since 2022.

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 reduced by levee · depends on levee performance
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 15 policies
Nearby Flood Policies	15 in force
Nearby Flood Claims	1 (2022)
Most Recent Claim	Dec 2022 · 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

The area around 2101 Trinity St has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within 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	CALIFORNIA WATER SERVICE - SAN MATEO private · serves 103,536 people · EPA ID CA4110008
Water Source	Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State Inspection	Mar 2025
Lead	4 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 363 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
Verizon Fixed Wireless	300 / 20
Starlink Satellite	280 / 30
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

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