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4312 Edison St, San Mateo, CA 94403 Property Records

San Mateo County property record for 4312 Edison St, San Mateo, CA 94403

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 1,010 sqft · built 1949
Lot Size0.142 acres (6,190 sqft)
Owner2 Company Names on Record
Tax Bill$3,141 (2025)
Deeds & MortgagesMar 2026 Transfer
Apr 2021 Transfer
Flood ZoneZone X (minimal risk)
APN042-254-080

Property Details

APN / Parcel Number

Primary APN042-254-080

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories1 Story
Building Area1,010 sqft Living Area
1st Floor Area1,010 sqft
Family RoomFamily Room
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1949
Effective Year BuiltEffective 1949
Lot Area6,190 sqft (0.142 acres)
Lot Dimensions100 ft deep x 57 ft wide
Garage Area310 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address4312 EDISON ST
CitySAN MATEO
StateCA
Zip94403-5148
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10006
Legal DescriptionLOT 14 BLOCK 23 SAN MATEO KNOLLS MAP NO 2 RSM 24/61 62 CITY OF SAN MATEO
Legal SubdivisionSAN MATEO KNOLLS MAP NO 2
Legal Block23
Legal Lot Number14
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group2
Census Block2027
Census Tract607200

Owner

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 Record2 Company Names on Record
Mailing Address4312 EDISON ST, SAN MATEO, CA 94403-5148
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust, Revocable Trust

Deeds, Mortgages & Sale History

DateDocument
Mar 18, 2026Intrafamily Transfer, Transfer
Apr 21, 2021Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names2 Names on Deed
Last Transfer DateOct 17, 2024
Transfer Doc0000056838
Record UpdatedSep 20, 2026

March 2026: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN MATEO CA
Recording DateMar 18, 2026
Property Address4312 EDISON ST, SAN MATEO, CA 94403-5148
Document Number0000013832
Map ReferenceMB 24 PG 60-62
Instrument DateMar 13, 2026
Instrument2026-013832
Transaction TypeTransfer
Record UpdatedApr 22, 2026

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address4312 EDISON ST, SAN MATEO, CA 94403-5148

April 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN MATEO CA
Recording DateApr 21, 2021
Property Address4312 EDISON ST, SAN MATEO, CA 94403-5148
Document Number0000063630
Map ReferenceMB 24 PG 60-62
Instrument DateMar 23, 2021
Instrument2021-063630
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
RelationshipRevocable Living Trust
Address4312 EDISON ST, SAN MATEO, CA 94403-5148

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$106,274 (+2%) Land $37,491 Building $68,783
2025$3,141.00 (+4.42%)$104,191 (+4.04%) Land $36,756 Building $67,435
2024$3,008.00 (+10.47%)
2023$2,723.00 (-3.54%) Homeowner's exemption$100,147 Land $35,330 Building $64,817$1,495,530
2022$2,823.00

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 Claims1 (1986)
Claims Outside the SFHA1 of 1
Most Recent ClaimFeb 1986 · Severe Storms & Flooding

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 785 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
Verizon
Fixed Wireless		300 / 20
Etheric Networks
Fixed Wireless		250 / 100

May also be available: GeoLinks, T-Mobile.

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