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123 N Eldorado St, San Mateo, CA 94401 Property Records

San Mateo County property record for 123 N Eldorado St, San Mateo, CA 94401

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,280 sqft · built 1900
Lot Size0.138 acres (6,025 sqft)
OwnerIndividual Name on Record
Tax Bill$8,857 (2025)
Deeds & MortgagesApr 2021 Mortgage
Jul 2018 Loan Modification
Flood ZoneZone X (moderate risk)
APN032-305-080

Property Details

APN / Parcel Number

Primary APN032-305-080

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Building Area1,280 sqft
1st Floor Area1,000 sqft

Exterior

Year BuiltBuilt 1900
Effective Year BuiltEffective 1900
Architectural StyleMulti-Family
Lot Area6,025 sqft (0.138 acres)
Lot Dimensions120 ft deep x 50 ft wide
Garage TypeDetached
Garage Area260 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address123 N ELDORADO ST
CitySAN MATEO
StateCA
Zip94401-1906
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR20000
Legal DescriptionLOT 20 BLOCK 33 WESTERN ADDITION TO TOWN OF SAN MATEO RSM 1/52 53
Legal SubdivisionWESTERN ADDITION TO TOWN OF SAN MATEO
Legal Block33
Legal Lot Number20
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group2
Census Block2013
Census Tract606201

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 RecordIndividual Name on Record
Mailing Address123 N ELDORADO ST, SAN MATEO, CA 94401-1906
OccupancyOwner Occupied
Owner TypeIndividual
VestingSingle Person

Deeds, Mortgages & Sale History

DateDocument
Apr 22, 2021Deed of Trust, Mortgage · Conventional Mortgage
QUICKEN LOANS LLC
Jul 30, 2018Loan Modification, Mortgage · Conventional Mortgage
PLAZA HM MTG

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateMay 16, 2014
Transfer Doc0000043687
Record UpdatedOct 29, 2026

April 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address123 N ELDORADO ST, SAN MATEO, CA 94401-1906
Transaction TypeMortgage
Record UpdatedMay 17, 2021

Transferred To (Grantee/Buyer)

NameVerified Name
Address4209 WESTPORTER DR, SACRAMENTO, CA 95826-5443

Mortgage

Document Number0000064211
DateApr 22, 2021
Instrument2021-064211
Lender
NameQUICKEN LOANS LLC
TypeMortgage Company
AddressDETROIT, MI 48226
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMay 1, 2051

July 2018: Loan Modification, Mortgage

Document TypeLoan Modification
JurisdictionSAN MATEO CA
Property Address123 N ELDORADO ST, SAN MATEO, CA 94401-1906
Document Number0000075740
Instrument DateJul 30, 2018
Transaction TypeMortgage
Record UpdatedOct 19, 2018
Title CompanyATTORNEY ONLY

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address4209 WESTPORTER DR SACRAMENTO CA 958265443, SACRAMENTO, CA 95826-5443

Mortgage

Document Number0000075740
DateSep 27, 2018
Instrument75740
Lender
NamePLAZA HM MTG
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term480 Months
DueSep 26, 2058
Interest
Rate TypeFixed Rate

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$490,573 (+2%) Land $381,405 Building $109,168
2025$8,857.00 (+3.42%)$480,955 (+4.04%) Land $373,927 Building $107,028
2023$8,564.00 (+0.62%)$462,282 Land $359,409 Building $102,873$1,138,050
2022$8,511.00

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
moderate risk
500-Year FloodplainYes
0.2% annual chance
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies8 in force

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 791 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 · Fiber in parts of the area		1,500 / 50
Sonic Telecom
Fiber		1,000 / 1,000
Verizon
Fixed Wireless		1,000 / 75
Unwired
Fixed Wireless		300 / 25
Etheric Networks
Fixed Wireless		250 / 100

May also be available: GeoLinks, T-Mobile.

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