2100 Trinity St, San Mateo, CA 94403 Property Records

San Mateo County property record for 2100 Trinity St, San Mateo, CA 94403

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,700 sqft · built 1954
Lot Size	0.116 acres (5,069 sqft)
Owner	Company Name on Record
Tax Bill	$9,869 (2025)
Deeds & Mortgages	Jul 2018 Transfer Apr 2018 Mortgage
Flood Zone	Zone X (reduced by levee)
APN	`035-352-040`

Property Details

APN / Parcel Number

Primary APN	`035-352-040`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	1,700 sqft Living Area
1st Floor Area	1,210 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1954
Effective Year Built	Effective 1954
Exterior Material	Wood Siding
Roof Material	Composition Shingle
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
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	2100 TRINITY ST
City	SAN MATEO
State	CA
Zip	94403-1540
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 35 BLOCK 6 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	6
Legal Lot Number	35
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2015
Census Tract	607500

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	Company Name on Record
Mailing Address	2100 TRINITY ST, SAN MATEO, CA 94403-1540
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jul 26, 2018	Quit Claim Deed, Transfer ATTORNEY ONLY
Apr 17, 2018	Intrafamily Transfer, Transfer · Conventional Mortgage COMMERCIAL BANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Jun 14, 2018
Transfer Doc	0000058197
Record Updated	Sep 20, 2026

July 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Jul 26, 2018
Property Address	2100 TRINITY ST, SAN MATEO, CA 94403-1540
Document Number	0000058197
Instrument Date	Jun 14, 2018
Instrument	58197
Transaction Type	Transfer
Record Updated	Aug 13, 2018
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	2100 TRINITY ST SAN MATEO CA 944031540, SAN MATEO, CA 94403-1540

April 2018: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Apr 17, 2018
Property Address	2100 TRINITY ST, SAN MATEO, CA 94403-1540
Document Number	0000028615
Map Reference	MB37 PG39&40
Instrument Date	Apr 10, 2018
Instrument	2018-028615
Transaction Type	Transfer
Record Updated	Aug 9, 2021
Title Company	STEWART TITLE OF CALIFORNIA

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2100 TRINITY ST, SAN MATEO, CA 94403-1540

Mortgage

Document Number	0000028616
Date	Apr 17, 2018
Instrument	2018-028616

Lender

Name	COMMERCIAL BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2048

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	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		$651,603 (+2%) Land $293,692 Building $357,911
2025	$9,869.00 (+8.36%) Homeowner's exemption	$638,828 (+4.04%) Land $287,934 Building $350,894
2023	$9,108.00 (-3.6%) Homeowner's exemption	$614,024 Land $276,754 Building $337,270	$1,703,880
2022	$9,448.00

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 reduced by levee · depends on levee performance
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record 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

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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