700 Kathryne Ave, San Mateo, CA 94401 Property Records

San Mateo County property record for 700 Kathryne Ave, San Mateo, CA 94401

Property Summary

Property Type	Single Family Home
Details	5 bd · 2 ba · 2,010 sqft · built 1949
Lot Size	0.151 acres (6,581 sqft)
Owner	2 Individual Names on File
Last Sale	$320,000 (Jul 1998)
Tax Bill	$8,479 (2025)
Deeds & Mortgages	Oct 2025 Line of Credit
Flood Zone	Zone X (reduced by levee)
APN	`033-343-260`

Property Details

APN / Parcel Number

Primary APN	`033-343-260`

Interior

Bedrooms	5 Beds
Full Baths	2 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	2,010 sqft Living Area
1st Floor Area	1,000 sqft
Family Room	Family Room

Exterior

Year Built	Built 1949
Effective Year Built	Effective 1949
Architectural Style	Contemporary
Exterior Material	Wood
Roof Material	Tar & Gravel
Lot Area	6,581 sqft (0.151 acres)
Lot Dimensions	75 ft deep x 75 ft wide
View / Lot	Corner
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	700 KATHRYNE AVE
City	SAN MATEO
State	CA
Zip	94401-3123
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R106
Legal Description	LOT 1 BLOCK 14 SHORE VIEW TRACT MAP NO 8 RSM 30/25 26 27 28 CITY OF SAN MATEO
Legal Subdivision	SHORE VIEW TRACT MAP NO 8
Legal Block	14
Legal Lot Number	1
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2004
Census Tract	607701

Owner

700 Kathryne Ave is owned and occupied by two individuals who bought it in July 1998.

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

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

Owner of Record	2 Individual Names on File
Mailing Address	700 KATHRYNE AVE, SAN MATEO, CA 94401-3123
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 23, 1998 · Amount on File
Deed Sale	Jul 23, 1998 · Amount on File
Deed Document Number	1998116120
Record Updated	Sep 20, 2026

October 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	700 KATHRYNE AVE, SAN MATEO, CA 94401-3123
Transaction Type	Mortgage
Record Updated	Nov 27, 2025
Title Company	RADIAN SETTLEMENT SERVICES INC, RADIAN SETTLEMENT SERVICES

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	700 KATHRYNE AVE, SAN MATEO, CA 94401-3123

Mortgage

Document Number	0000056228
Date	Oct 23, 2025
Instrument	2025-056228

Lender

Name	US BANK NA
Type	Bank
Address	HOPKINS, MN 55343

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Oct 11, 2055

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

The 2025 property tax bill for 700 Kathryne Ave was $8,479 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		$605,932 (+2%) Land $255,839 Building $350,093
2025	$8,479.00 Homeowner's exemption	$594,052 Land $250,823 Building $343,229
2023	$8,258.00 (-2.04%) Homeowner's exemption	$570,987 Land $241,084 Building $329,903	$1,350,180
2022	$8,430.00

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

Flood

FEMA maps place 700 Kathryne Ave in Zone X, where a levee reduces flood risk, though there have been 6 flood claims nearby since 1978.

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 12 policies
Nearby Flood Policies	12 in force
Nearby Flood Claims	6 (1978–2004)
Most Recent Claim	Nov 2004
Claims by Event	Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 4 claims

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 700 Kathryne Ave 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 300 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
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100