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312 Midvale Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 312 Midvale Ave, San Mateo, CA 94403

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,606 sqft · built 1950
Lot Size0.119 acres (5,200 sqft)
Owner2 Individual Names on File
Last Sale$1,201,000 (Nov 2013)
Tax Bill$18,551 (2025)
Deeds & MortgagesMar 2021 Mortgage
Flood ZoneZone X (minimal risk)
APN042-214-200

Property Details

APN / Parcel Number

Primary APN042-214-200

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,606 sqft Living Area
1st Floor Area1,080 sqft
Family RoomFamily Room

Exterior

Year BuiltBuilt 1950
Effective Year BuiltEffective 1950
Architectural StyleRanch
Exterior MaterialWood
Construction TypeWood
Roof MaterialTar & Gravel
Lot Area5,200 sqft (0.119 acres)
Lot Dimensions80 ft deep x 65 ft wide
Garage Area426 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address312 MIDVALE AVE
CitySAN MATEO
StateCA
Zip94403-5019
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10006
Legal DescriptionLOT 28 BLOCK 26 SAN MATEO KNOLLS MAP NO 2 RSM 24/61 62 CITY OF SAN MATEO
Legal SubdivisionSAN MATEO KNOLLS MAP NO 2
Legal Block26
Legal Lot Number28
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group2
Census Block2009
Census Tract607100

Owner

312 Midvale Ave is owned and occupied by two individuals who acquired it in February 2021.

Source: San Mateo County records, as of July 15, 2026

Owner of Record2 Individual Names on File
Mailing Address312 MIDVALE AVE, SAN MATEO, CA 94403-5019
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleNov 14, 2013 · Amount on File
Deed SaleNov 14, 2013 · Amount on File
Prior SaleDec 17, 2004 · Amount on File
Deed Document Number2013156880
Last Transfer DateFeb 25, 2021
Transfer Doc0000037280
Record UpdatedOct 29, 2026

March 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN MATEO CA
Recording DateMar 8, 2021
Property Address312 MIDVALE AVE, SAN MATEO, CA 94403-5019
Document Number0000037280
Map ReferenceMB 24 PG 60-62
Instrument DateFeb 25, 2021
Instrument2021-037280
Transaction TypeTransfer
Record UpdatedAug 9, 2021
Title CompanyCHICAGO TITLE COMPANY

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property with Right of Survivorship
Address312 MIDVALE AVE, SAN MATEO, CA 94403-5019

Mortgage

Document Number0000037281
DateMar 8, 2021
Instrument2021-037281
Lender
NameWELLS FARGO BANK NA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueApr 1, 2051

Tax Assessment & Valuation

The 2025 property tax bill for 312 Midvale Ave was $18,551.

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$1,501,692 (+2%) Land $750,846 Building $750,846
2025$18,551.00$1,472,248 Land $736,124 Building $736,124
2023$17,994.00 (+0.53%)$1,415,082 Land $707,541 Building $707,541$1,967,220
2022$17,900.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 312 Midvale Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 10, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 312 Midvale Ave is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 99.1% of the US · lower than 99.2% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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.

Nearby Properties on Midvale Ave

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