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2617 Isabelle Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 2617 Isabelle Ave, San Mateo, CA 94403 · Last verified August 2026

Property Summary

Property TypeSingle Family Home
Details2 bd · 1.5 ba · 1,340 sqft · built 1938
Lot Size0.117 acres (5,100 sqft)
Owner2 Individual Names on File
Last Sale$2,030,000 (Feb 2025)
Tax Bill$9,837 (2025)
Deeds & MortgagesDec 2021 Transfer
Jun 2019 Line of Credit
Flood ZoneZone X (minimal risk)
APN039-344-020

Property Details

APN / Parcel Number

Primary APN039-344-020

Interior

Bedrooms2 Beds
Full Baths1.5 Baths
Half Baths1 Half Bath
Total Rooms6 Rooms
Stories1 Story
Building Area1,340 sqft Living Area
Gross Area1,810 sqft
1st Floor Area1,240 sqft
2nd Floor Area100 sqft
Basement Area470 sqft
Family RoomFamily Room
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1938
Effective Year BuiltEffective 1938
Architectural StyleContemporary
Exterior MaterialStucco
Construction TypeFrame
Roof MaterialComposition Shingle
Lot Area5,100 sqft (0.117 acres)
Lot Dimensions127 ft deep x 40 ft wide
Garage TypeBasement
Garage Area470 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address2617 ISABELLE AVE
CitySAN MATEO
StateCA
Zip94403-2308
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 2 BLOCK 2 RESUB OF BLOCKS 1 2 & 5 SAN MATEO TERRACE RSM 20/4 CITY OF SAN MATEO
Legal SubdivisionSAN MATEO TERRACE
Legal Block2,1
Legal Lot Number2
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group3
Census Block3007
Census Tract607400

Owner

Source: San Mateo County records · APN 039-344-020

Assessment roll updated July 15, 2026 · Last verified August 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Individual Names on File
Mailing Address2617 ISABELLE AVE, SAN MATEO, CA 94403-2308
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

DateDocument
Dec 22, 2021Intrafamily Transfer, Transfer
Jun 06, 2019Deed of Trust, Mortgage · Line of Credit
BANK OF AMERICA

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleFeb 14, 2025 · Amount on Record
Deed SaleFeb 14, 2025 · Amount on Record
Prior SaleDec 24, 1997 · Amount on Record
Deed Document Number20256597
Prior Transfer DateDec 04, 2021
Prior Transfer Doc0000174880
Record UpdatedSep 20, 2026

December 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN MATEO CA
Recording DateDec 22, 2021
Property Address2617 ISABELLE AVE, SAN MATEO, CA 94403-2308
Document Number0000174880
Map ReferenceMB 20 PG 4
Instrument DateDec 04, 2021
Instrument2021-174880
Transaction TypeTransfer
Record UpdatedJun 07, 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
Address2617 ISABELLE AVE, SAN MATEO, CA 94403-2308

June 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address2617 ISABELLE AVE, SAN MATEO, CA 94403-2308
Document Number0000050808
Instrument DateJun 06, 2019
Transaction TypeMortgage
Record UpdatedAug 01, 2019
Title CompanyTITLE 365

Transaction

Additional
  • Multiple Parcels

Transferred To (Grantee/Buyer)

NameVerified Name
Address2671 ISABELLE AVE SAN MATEO CA 944032336, SAN MATEO, CA 94403-2336

Mortgage

Document Number0000050808
DateJul 01, 2019
Instrument50808
Lender
NameBANK OF AMERICA
TypeBank
AddressTAMPA, FL 33634
Agreement
TypeLine of Credit
AmountAmount Recorded
Interest
Rate TypeAdjustable Rate

Tax Assessment & Valuation

Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified August 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

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.

YearTax BillAssessed ValueAssessed Market Value
2026$2,070,600 (+188.18%) Land $1,785,000 Building $285,600
2025$9,837.00 (+3.81%) Homeowner's exemption$718,520 (+4.04%) Land $359,260 Building $359,260
2023$9,476.00 (+1.67%) Homeowner's exemption$690,620 Land $345,310 Building $345,310$1,798,920
2022$9,320.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), updated September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060816074003, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Nearby Flood Policies1 in force
Nearby Flood Claims4 (1978–1986)
Most Recent ClaimFeb 1986, river or lake flooding, Severe Storms & Flooding

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 799 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
Sonic TelecomFiber10,000 / 10,000
AT&TFiber5,000 / 5,000
XfinityCable2,000 / 250
Radiate HoldingsCable1,500 / 50

May also be available at this address: T-Mobile USA, Etheric Communications, LLC., Verizon, AT&T, California Internet. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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