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428 E Ellsworth Ct, San Mateo, CA 94401 Property Records

San Mateo County property record for 428 E Ellsworth Ct, San Mateo, CA 94401

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 2,100 sqft · built 1940
Lot Size0.111 acres (4,852 sqft)
Owner2 Company Names on Record
Last Sale$319,000 (Dec 1998)
Tax Bill$8,941 (2025)
Deeds & MortgagesJun 2022 Transfer
Apr 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN032-184-140

Property Details

APN / Parcel Number

Primary APN032-184-140

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms8 Rooms
Stories1 Story
Building Area2,100 sqft Living Area
1st Floor Area1,000 sqft
Family RoomFamily Room

Exterior

Year BuiltBuilt 1940
Effective Year BuiltEffective 1940
Lot Area4,852 sqft (0.111 acres)
Lot Dimensions107 ft deep x 50 ft wide
Garage Area240 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address428 E ELLSWORTH CT
CitySAN MATEO
StateCA
Zip94401-2429
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR20000
Legal DescriptionLOT 14 BLOCK 3 LESS NELY PTN TO S P CO LEADLEY TERRACE RSM 22/31 32
Legal SubdivisionLEADLEY TERRACE
Legal Block3
Legal Lot Number14
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group3
Census Block3000
Census Tract605901

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 Record2 Company Names on Record
Mailing Address428 E ELLSWORTH CT, SAN MATEO, CA 94401-2429
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Jun 27, 2022Intrafamily Transfer, Transfer
Apr 6, 2020Deed of Trust, Mortgage · Conventional Mortgage
FLAGSTAR BANK FSB

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleDec 29, 1998 · Amount on Record
Deed SaleDec 29, 1998 · Amount on Record
Prior SaleJan 4, 1996 · Amount on Record
Deed Document Number1998220662
Last Transfer DateJun 17, 2022
Transfer Doc0000050665
Record UpdatedSep 20, 2026

June 2022: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN MATEO CA
Recording DateJun 27, 2022
Property Address428 E ELLSWORTH CT, SAN MATEO, CA 94401-2429
Document Number0000050665
Map ReferenceMB 22 PG 21&32
Instrument DateJun 17, 2022
Instrument2022-050665
Transaction TypeTransfer
Record UpdatedJun 7, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Trust
Address428 E ELLSWORTH CT, SAN MATEO, CA 94401-2429

April 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address428 E ELLSWORTH CT, SAN MATEO, CA 94401-2429
Transaction TypeMortgage
Record UpdatedFeb 5, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000031151
DateApr 6, 2020
Instrument2020-031151
Lender
NameFLAGSTAR BANK FSB
TypeBank
AddressTROY, MI 48098
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMay 1, 2050

Tax Assessment & Valuation

Source: San Mateo County assessment roll, as of July 15, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountySan Mateo County
MunicipalitySan Mateo City
Elementary School DistrictSan Mateo-Foster City Elementary School District (KG - 08)
Secondary School DistrictSan Mateo Union High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$598,524 (+2%) Land $255,036 Building $343,488
2025$8,941.00 (+5.59%) Homeowner's exemption$586,790 (+4.04%) Land $250,036 Building $336,754
2023$8,468.00 (+0.58%) Homeowner's exemption$564,007 Land $240,328 Building $323,679$1,479,060
2022$8,419.00

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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

Wildfire RiskNot 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 SystemCALIFORNIA WATER SERVICE - SAN MATEO
private · serves 103,536 people · EPA ID CA4110008
Water SourcePurchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State InspectionMar 2025
Lead4 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 694 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · Fixed Wireless, 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
Etheric Networks
Fixed Wireless		250 / 100

May also be available: GeoLinks, T-Mobile, Unwired.

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