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2802 Isabelle Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 2802 Isabelle Ave, San Mateo, CA 94403

Property Summary

Property TypeSingle Family Home
Details3 bd · 3.5 ba · 2,344 sqft · built 1940
Lot Size0.141 acres (6,150 sqft)
Owner2 Company Names on Record
Last Sale$825,000 (Dec 2004)
Tax Bill$20,257 (2025)
Deeds & MortgagesApr 2018 Transfer
Apr 2018 Transfer
+ 1 more
Flood ZoneZone X (minimal risk)
APN039-321-090

Property Details

APN / Parcel Number

Primary APN039-321-090

Interior

Bedrooms3 Beds
Full Baths3.5 Baths
Half Baths1 Half Bath
Total Rooms7 Rooms
Stories1 Story
Building Area2,344 sqft Living Area
1st Floor Area1,150 sqft
Family RoomFamily Room

Exterior

Year BuiltBuilt 1940
Effective Year BuiltEffective 1940
Architectural StyleRanch
Exterior MaterialStucco
Roof MaterialComposition Shingle
Lot Area6,150 sqft (0.141 acres)
Lot Dimensions123 ft deep x 50 ft wide
View / LotCorner
Garage Area618 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address2802 ISABELLE AVE
CitySAN MATEO
StateCA
Zip94403-2706
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10006
Legal Description50 FT X 123 FT COR OF 28TH & ISABELLE AVES PTN OF LOT 6 SUB OF LOTS 14 15 16 17 OF BERESFORD PARK RSM D/14 CITY OF SAN MATEO
Legal SubdivisionBERESFORD PARK
Legal Lot Number6,14
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group2
Census Block2004
Census Tract607300

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 Address3004 MASON LN, SAN MATEO, CA 94403-3243
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Apr 13, 2018Intrafamily Transfer, Transfer
PLACER TITLE CO
Apr 13, 2018Quit Claim Deed, Transfer
PLACER TITLE COMPANY
Mar 14, 2017Quit Claim Deed, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleDec 3, 2004 · Amount on Record
Deed SaleDec 3, 2004 · Amount on Record
Prior SaleSep 28, 2001 · Amount on Record
Deed Document Number2004237593
Prior Transfer DateJul 24, 1995
Prior Transfer Doc0000077819
Record UpdatedOct 29, 2026

April 2018: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN MATEO CA
Recording DateApr 13, 2018
Property Address2802 ISABELLE AVE, SAN MATEO, CA 94403-2706
Document Number0000028164
Map ReferenceMB D PG14
Instrument DateMar 22, 2018
Instrument2018-028164
Transaction TypeTransfer
Record UpdatedAug 9, 2021
Title CompanyPLACER TITLE CO

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name
Address00000

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address3004 MASON LN, SAN MATEO, CA 94403-3243

April 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateApr 13, 2018
Property Address2802 ISABELLE AVE, SAN MATEO, CA 94403-2706
Document Number0000028166
Instrument DateMar 22, 2018
Instrument28166
Transaction TypeTransfer
Record UpdatedMay 1, 2018
Title CompanyPLACER TITLE COMPANY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address3004 MASON LN SAN MATEO CA 944033243, SAN MATEO, CA 94403-3243

March 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateMar 14, 2017
Property Address2802 ISABELLE AVE, SAN MATEO, CA 94403-2706
Document Number0000022066
Instrument DateFeb 24, 2017
Instrument22066
Transaction TypeTransfer
Record UpdatedApr 3, 2017
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address3004 MASON LN SAN MATEO CA 944033243, SAN MATEO, CA 94403-3243

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$1,556,387 (+2%) Land $586,479 Building $969,908
2025$20,257.00 (+7.58%)$1,525,871 (+6.34%) Land $574,980 Building $950,891
2023$18,829.00 (+6.97%)$1,434,943 Land $552,653 Building $882,290$2,484,900
2022$17,602.00

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 ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies2 in force
Nearby Flood Claims4 (1998–2022)
Claims Outside the SFHA4 of 4
Most Recent ClaimDec 2022 · 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

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 799 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Sonic Telecom
Fiber		10,000 / 10,000
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

May also be available: Etheric Networks, GeoLinks, T-Mobile, Verizon.

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