305 Cavanaugh St, San Mateo, CA 94401 Property Records

San Mateo County property record for 305 Cavanaugh St, San Mateo, CA 94401

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 1,000 sqft · built 1948
Lot Size0.115 acres (5,000 sqft)
Owner2 Individual Names on Record
Last Sale$394,000 (Apr 2012)
Tax Bill$15,759 (2025)
Deeds & MortgagesMar 2018 Transfer
Flood ZoneZone X (reduced by levee)
APN033-083-210

Property Details

APN / Parcel Number

Primary APN033-083-210

Interior

Bedrooms3 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Building Area1,000 sqft Living Area
1st Floor Area1,000 sqft
Family RoomFamily Room

Exterior

Year BuiltBuilt 1948
Effective Year BuiltEffective 1948
Lot Area5,000 sqft (0.115 acres)
Lot Dimensions100 ft deep x 50 ft wide
Garage Area240 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address305 CAVANAUGH ST
CitySAN MATEO
StateCA
Zip94401-1212
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR106
Legal DescriptionLOT 24 BLOCK 7 DORE & CAVANAGH SUB RSM 26/3 4 CITY OF SAN MATEO
Legal SubdivisionDORE & CAVANAGH SUB
Legal Block7
Legal Lot Number24
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group1
Census Block1002
Census Tract606100

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 Individual Names on Record
Mailing Address308 CAVANAUGH ST, SAN MATEO, CA 94401-1213
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleApr 16, 2012 · Amount on Record
Deed SaleApr 16, 2012 · Amount on Record
Deed Document Number201252211
Prior Transfer DateAug 21, 2006
Prior Transfer Doc0000128555
Record UpdatedSep 20, 2026

March 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateMar 6, 2018
Property Address305 CAVANAUGH ST, SAN MATEO, CA 94401-1212
Document Number0000015919
Instrument DateFeb 26, 2018
Instrument15919
Transaction TypeTransfer
Record UpdatedMar 29, 2018
Title CompanyOTHER

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address308 CAVANAUGH ST SAN MATEO CA 944011213, SAN MATEO, CA 94401-1213

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$1,218,609 (+2%) Land $870,436 Building $348,173
2025$15,759.00 (+1.55%)$1,194,716 (+4.04%) Land $853,369 Building $341,347
2024$15,519.00 (+3.38%)
2023$15,012.00 (-2.57%)$1,148,326 Land $820,233 Building $328,093$1,010,610
2022$15,408.00

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
reduced by levee · depends on levee performance
Nearest Special Flood Hazard AreaZone AH, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 21 policies
Nearby Flood Policies21 in force
Nearby Flood Claims7 (1982–2015)
Most Recent ClaimFeb 2015 · other causes

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 RiskLow
lower than 95% of the US · lower than 97% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureDirect
burnable vegetation

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 779 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
Verizon
Fixed Wireless
1,000 / 75
Unwired
Fixed Wireless
300 / 25
Etheric Networks
Fixed Wireless
250 / 100

May also be available: GeoLinks, Sonic Telecom, T-Mobile.

Nearby Properties on Cavanaugh St

Nearby Streets

Search Property Records by Address or Parcel Number