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674 30th Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 674 30th Ave, San Mateo, CA 94403

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 1,300 sqft · built 1951
Lot Size0.124 acres (5,400 sqft)
Owner2 Individual Names on Record
Last Sale$2,811,000 (Jun 2026)
Tax Bill$2,938 (2025)
Deeds & MortgagesJun 2026 Sale
Jun 2019 Line of Credit
Flood ZoneZone X (minimal risk)
APN039-292-220

Property Details

APN / Parcel Number

Primary APN039-292-220

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Building Area1,300 sqft Living Area
1st Floor Area1,040 sqft
Family RoomFamily Room

Exterior

Year BuiltBuilt 1951
Effective Year BuiltEffective 1951
Lot Area5,400 sqft (0.124 acres)
Lot Dimensions90 ft deep x 60 ft wide
Garage Area330 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address674 30TH AVE
CitySAN MATEO
StateCA
Zip94403-3266
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10006
Legal DescriptionLOT 7 BLOCK 26 BLOCKS 25 TO 31 SAN MATEO TERRACE MAP NO 7 RSM 24/31 CITY OF SAN MATEO
Legal SubdivisionSAN MATEO TERRACE MAP NO 7
Legal Block26,25
Legal Lot Number7
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group1
Census Block1004
Census Tract607300

Owner

Source: San Mateo County records, as of July 20, 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 Address674 30TH AVE, SAN MATEO, CA 94403-3266
OccupancyOwner Occupied
Owner TypeIndividual
VestingHis Wife

Deeds, Mortgages & Sale History

DateDocument
Jun 18, 2026Grant Deed, Transfer
LAWYERS LAND TITLE COMPANY, LAWYERS TITLE COMPANY
Jun 4, 2019Deed of Trust, Mortgage · Line of Credit
SYNERGY ONE LENDING

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJun 18, 2026 · Amount on Record
Deed SaleJun 18, 2026 · Amount on Record
Prior SaleMar 25, 2025 · Amount on Record
Deed Document Number202635284
Prior Transfer DateMar 18, 2025
Prior Transfer Doc0000013672
Record UpdatedOct 29, 2026

June 2026: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSAN MATEO CA
Recording DateJun 18, 2026
Property Address674 30TH AVE, SAN MATEO, CA 94403-3266
Document Number0000035284
Instrument DateJun 12, 2026
Instrument202635284
Transaction TypeTransfer
Record UpdatedJul 20, 2026
Title CompanyLAWYERS LAND TITLE COMPANY, LAWYERS TITLE COMPANY

Transaction

AmountAmount Recorded
Tax$312,302.10
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address674 30TH AVE, SAN MATEO, CA 94403-3266

June 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address674 30TH AVE, SAN MATEO, CA 94403-3266
Transaction TypeMortgage
Record UpdatedOct 18, 2022
Title CompanyPLACER TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000042305
DateJun 4, 2019
Instrument2019-042305
Lender
NameSYNERGY ONE LENDING
TypeLending Institution
AddressFLINT, MI 48501
Agreement
TypeLine of Credit
AmountAmount Recorded

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$1,392,300 (+1,095.28%) Land $1,224,000 Building $168,300
2025$2,938.00 (+6.95%)$116,483 (+4.04%) Land $36,756 Building $79,727
2023$2,747.00 (+3.93%) Homeowner's exemption$111,962 Land $35,330 Building $76,632$1,446,840
2022$2,643.00

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.

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 Policies4 in force
Nearby Flood Claims3 (1983–2016)
Claims Outside the SFHA3 of 3
Most Recent ClaimMar 2016 · 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 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 732 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 · Fiber in parts of the area		1,500 / 50

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

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