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1 Baldwin Ave, Apt 520, San Mateo, CA 94401 Property Records

San Mateo County property record for 1 Baldwin Ave, Apt 520, San Mateo, CA 94401

Property Summary

Property TypeCondominium
Details2 bd · 2 ba · 1,140 sqft · built 1988
Lot Size1.98 acres (86,325 sqft)
Owner2 Trust Names on File
Last Sale$340,000 (Mar 2012)
Tax Bill$4,337 (2025)
Deeds & MortgagesMar 2019 Sale
Feb 2019 Transfer
Flood ZoneZone X (moderate risk)
APN109-630-190

Property Details

APN / Parcel Number

Primary APN109-630-190

Interior

Bedrooms2 Beds
Full Baths2 Baths
Total Rooms4 Rooms
Units207 Units
Stories1 Story
Building Area1,140 sqft Living Area
1st Floor Area1,140 sqft
Game RoomGame Room

Exterior

Year BuiltBuilt 1988
Effective Year BuiltEffective 1988
Architectural StyleCondo/Apartment
Lot Area86,325 sqft
Garage TypeCarport
CarportCarport

Location & Zoning

Street Address1 BALDWIN AVE, 520
CitySAN MATEO
StateCA
Zip94401-3850
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Condominium
Local Zoning CodeE30000
Legal DescriptionUNIT 520 PENINSULA REGENT 88170181
Legal SubdivisionPENINSULA REGENT
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group3
Census Block3005
Census Tract606300

Owner

1 Baldwin Ave, Apt 520 is owner-occupied and held in a trust since March 2012.

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

Owner of Record2 Trust Names on File
Mailing Address1 BALDWIN AVE, 520, SAN MATEO, CA 94401-3850
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

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

DateDocument
Mar 19, 2019Grant Deed, Transfer
FIRST AMERICAN TITLE
Feb 6, 2019Affidavit of Death, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMar 16, 2012 · Amount on File
Deed SaleMar 16, 2012 · Amount on File
Deed Document Number201235920
Record UpdatedOct 29, 2026

March 2019: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSAN MATEO CA
Recording DateMar 19, 2019
Property Address1 BALDWIN AVE APT 520, 520, SAN MATEO, CA 94401-3850
Document Number0000018804
Instrument DateMar 5, 2019
Instrument18804
Transaction TypeTransfer
Record UpdatedApr 11, 2019
Title CompanyFIRST AMERICAN TITLE

Transaction

AmountAmount on Record
Tax$623.70
Amount AccuracyFull Value

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
Address1 BALDWIN AVE #520 SAN MATEO CA 944013850, 520, SAN MATEO, CA 94401-3850

February 2019: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionSAN MATEO CA
Recording DateFeb 6, 2019
Property Address1 BALDWIN AVE APT 520, 520, SAN MATEO, CA 94401-3850
Document Number0000008143
Instrument DateJan 5, 2019
Instrument8143
Transaction TypeTransfer
Record UpdatedFeb 25, 2019
Title CompanyATTORNEY ONLY

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address1 BALDWIN AVE #520 SAN MATEO CA 944013850, 520, SAN MATEO, CA 94401-3850

Tax Assessment & Valuation

The 2025 property tax bill for 1 Baldwin Ave, Apt 520 was $4,337 with a homeowner's exemption.

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$224,000 (-2.61%) Land $114,500 Building $109,500
2025$4,337.00 Homeowner's exemption$230,000 Land $117,500 Building $112,500
2023$5,931.00 (-29.38%) Homeowner's exemption$380,000 Land $266,000 Building $114,000$342,900
2022$8,399.00

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

Flood

FEMA maps place 1 Baldwin Ave, Apt 520 in Zone X, an area of moderate flood risk.

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 Policies2 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

The area around 1 Baldwin Ave, Apt 520 has no burnable land within ember reach, so its wildfire risk is not rated.

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 565 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Astound Broadband
Cable		1,500 / 50
T-Mobile
Fixed Wireless		100 / 20
AT&T
DSL · Fiber, Fixed Wireless in parts of the area		100 / 20

May also be available: Etheric Networks, GeoLinks, Sonic Telecom, Verizon.

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