604 Oregon Ave, San Mateo, CA 94402 Property Records

San Mateo County property record for 604 Oregon Ave, San Mateo, CA 94402

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 1,520 sqft · built 1948
Lot Size	0.145 acres (6,331 sqft)
Owner	2 Trust Names on File
Last Sale	$485,000 (Jun 1998)
Tax Bill	$4,109 (2025)
Deeds & Mortgages	Jul 2022 Mortgage Jan 2021 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`034-052-120`

Property Details

APN / Parcel Number

Primary APN	`034-052-120`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,520 sqft Living Area
1st Floor Area	1,340 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1948
Effective Year Built	Effective 1948
Architectural Style	Ranch
Exterior Material	Brick
Construction Type	Brick
Roof Material	Composition Shingle
Lot Area	6,331 sqft (0.145 acres)
Lot Dimensions	120 ft deep x 49 ft wide
View / Lot	Corner
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	604 OREGON AVE
City	SAN MATEO
State	CA
Zip	94402-3304
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 49 BLOCK 16 BAYWOOD KNOLLS SUB NO 3 RSM 23/3 4 CITY OF SAN MATEO
Legal Subdivision	BAYWOOD KNOLLS SUB NO 3
Legal Block	16
Legal Lot Number	49
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	4
Census Block	4008
Census Tract	606500

Owner

604 Oregon Ave is held in a trust since March 2002.

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

Owner of Record	2 Trust Names on File
Mailing Address	604 OREGON AVE, SAN MATEO, CA 94402-3304
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
Jul 1, 2022	Deed of Trust, Mortgage · Commercial Mortgage CITY NATIONAL BANK
Jan 28, 2021	Deed of Trust, Mortgage · Conventional Mortgage CITY NATIONAL BANK
Jan 28, 2021	Deed of Trust, Mortgage · Line of Credit CITY NATIONAL BANK
Aug 14, 2018	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA
Aug 14, 2018	Deed of Trust, Mortgage · Line of Credit WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 3, 1998 · Amount on File
Deed Sale	Jun 3, 1998 · Amount on File
Deed Document Number	199883205
Last Transfer Date	Mar 21, 2002
Transfer Doc	0000060644
Record Updated	Sep 20, 2026

July 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	604 OREGON AVE, SAN MATEO, CA 94402-3304
Transaction Type	Mortgage
Record Updated	Jul 22, 2022
Title Company	OLD REPUBLIC TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	604 OREGON AVE, SAN MATEO, CA 94402-3304

Mortgage

Document Number	0000051768
Date	Jul 1, 2022
Instrument	2022-051768

Lender

Name	CITY NATIONAL BANK
Type	Bank
Address	LOS ANGELES, CA 90071

Agreement

Type	Commercial Mortgage
Amount	Amount on Record
Term	359 Months
Due	Jun 22, 2052

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	604 OREGON AVE, SAN MATEO, CA 94402-3304
Transaction Type	Mortgage
Record Updated	Feb 24, 2021
Title Company	LAWYERS TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	604 OREGON AVE, SAN MATEO, CA 94402-3304

Mortgage

Document Number	0000014077
Date	Jan 28, 2021
Instrument	2021-014077

Lender

Name	CITY NATIONAL BANK
Type	Bank
Address	LOS ANGELES, CA 90071

Agreement

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

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	604 OREGON AVE, SAN MATEO, CA 94402-3304
Transaction Type	Mortgage
Record Updated	Feb 24, 2021
Title Company	LAWYERS TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	614 OREGON AVE, SAN MATEO, CA 94402-3304

Mortgage

Document Number	0000014078
Date	Jan 28, 2021
Instrument	2021-014078

Lender

Name	CITY NATIONAL BANK
Type	Bank
Address	LOS ANGELES, CA 90071

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Jan 19, 2051

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

August 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	604 OREGON AVE, SAN MATEO, CA 94402-3304
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	LAWYERS TITLE OF NORTHERN C

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000063549
Date	Aug 14, 2018
Instrument	2018-063549

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	241 Months
Due	Sep 1, 2038

August 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	604 OREGON AVE, SAN MATEO, CA 94402-3304
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	LAWYERS TITLE OF NORTHERN CA

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000063550
Date	Aug 14, 2018
Instrument	2018-063550

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	361 Months
Due	Sep 7, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 604 Oregon Ave was $4,109.

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		$167,552 (+2%) Land $52,999 Building $114,553
2025	$4,109.00	$164,267 Land $51,960 Building $112,307
2023	$3,563.00 (-0.34%)	$157,891 Land $49,944 Building $107,947	$1,870,380
2022	$3,575.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 604 Oregon Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.

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 Claims	1 (1998)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jan 1998 · 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 604 Oregon Ave is low, with less than a 0.01% annual chance of 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	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 727 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
Sonic Telecom Fiber	1,000 / 1,000
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Verizon.

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