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421 Markham Ave, San Bruno, CA 94066 Property Records

San Mateo County property record for 421 Markham Ave, San Bruno, CA 94066

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,550 sqft · built 1958
Lot Size0.125 acres (5,449 sqft)
Owner2 Company Names on Record
Tax Bill$7,238 (2025)
Deeds & MortgagesApr 2021 Mortgage
Aug 2017 Mortgage
+ 1 more
Flood ZoneZone X (minimal risk)
APN019-163-100

Property Details

APN / Parcel Number

Primary APN019-163-100

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,550 sqft Living Area
Gross Area2,050 sqft
1st Floor Area1,360 sqft
Basement Area690 sqft
Finished Basement190 sqft
Unfinished Basement500 sqft
Family RoomFamily Room
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1958
Effective Year BuiltEffective 1958
Exterior MaterialStucco
Roof MaterialComposition Shingle
Lot Area5,449 sqft (0.125 acres)
Lot Dimensions101 ft deep x 53 ft wide
Garage TypeBasement
Garage Area500 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address421 MARKHAM AVE
CitySAN BRUNO
StateCA
Zip94066-4035
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10006
Legal DescriptionLOT 26 BLOCK 30 CRESTMOOR PARK NO 3A RSM 46/23 24 CITY OF SAN BRUNO
Legal SubdivisionCRESTMOOR PARK NO 3
Legal Block30
Legal Lot Number26
JurisdictionSAN MATEO CA
Township / Civil DivisionSOUTH SAN FRANCISCO
Census Block Group2
Census Block2003
Census Tract603802

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 Company Names on Record
Mailing Address421 MARKHAM AVE, SAN BRUNO, CA 94066-4035
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Apr 23, 2021Deed of Trust, Mortgage · Conventional Mortgage
MORTGAGE SOLUTIONS FCS INC
Aug 2, 2017Quit Claim Deed, Transfer · Conventional Mortgage
ETHOS LNDG
Aug 2, 2017Quit Claim Deed, Transfer
COMMONWEALTH LAND TITLE INSURANCE

Assessor's Deed Record

Deed Names2 Names on Deed
Last Transfer DateJul 24, 2017
Transfer Doc0000066480
Record UpdatedSep 20, 2026

April 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address421 MARKHAM AVE, SAN BRUNO, CA 94066-4035
Transaction TypeMortgage
Record UpdatedMay 17, 2021

Transferred To (Grantee/Buyer)

NameVerified Name
Address421 MARKHAM AVE, SAN BRUNO, CA 94066-4035

Mortgage

Document Number0000064590
DateApr 23, 2021
Instrument2021-064590
Lender
NameMORTGAGE SOLUTIONS FCS INC
AddressWALNUT CREEK, CA 94598
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term358 Months
DueFeb 1, 2051

August 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateAug 2, 2017
Property Address421 MARKHAM AVE, SAN BRUNO, CA 94066-4035
Document Number0000066480
Instrument DateJul 24, 2017
Instrument66480
Transaction TypeTransfer
Record UpdatedJan 3, 2018
Title CompanyFIDELITY NATIONAL TITLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address421 MARKHAM AVE SAN BRUNO CA 940664035, SAN BRUNO, CA 94066-4035

Mortgage

Document Number66481
DateAug 2, 2017
Instrument66481
Lender
NameETHOS LNDG
AddressPITTSBURGH, PA 15212
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueAug 1, 2047

August 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateAug 2, 2017
Property Address421 MARKHAM AVE, SAN BRUNO, CA 94066-4035
Document Number0000066482
Instrument DateJul 24, 2017
Instrument66482
Transaction TypeTransfer
Record UpdatedApr 4, 2018
Title CompanyCOMMONWEALTH LAND TITLE INSURANCE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address421 MARKHAM AVE SAN BRUNO CA 940664035, SAN BRUNO, CA 94066-4035

Tax Assessment & Valuation

Source: San Mateo County assessment roll, as of July 15, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountySan Mateo County
MunicipalitySan Bruno City
Elementary School DistrictSan Bruno Park 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$505,718 (+2%) Land $252,859 Building $252,859
2025$7,238.00 (+38.66%) Homeowner's exemption$495,802 (+4.04%) Land $247,901 Building $247,901
2023$5,220.00 (+1.18%) Homeowner's exemption$476,552 Land $238,276 Building $238,276$1,436,490
2022$5,159.00

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

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

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

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% 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 SystemCITY OF SAN BRUNO
serves 42,631 people · EPA ID CA4110023
Water SourcePurchased surface water from several systems
Last State InspectionJul 2024
LeadUnder 1 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 405 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
Etheric Networks
Fixed Wireless		250 / 100
T-Mobile
Fixed Wireless		100 / 20

May also be available: Verizon.

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