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545 Walnut St, San Carlos, CA 94070 Property Records

San Mateo County property record for 545 Walnut St, San Carlos, CA 94070

Property Summary

Property TypeMulti-Family Dwellings
Details4 bd · 3 ba · 3,205 sqft · built 1957
Lot Size0.172 acres (7,480 sqft)
OwnerCompany Name on File
Last Sale$1,418,000 (Mar 2014)
Tax Bill$107,911 (2025)
Deeds & MortgagesAug 2023 Mortgage
Aug 2019 Mortgage
Flood ZoneZone X (minimal risk)
APN050-072-220

Property Details

APN / Parcel Number

Primary APN050-072-220

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms4 Rooms
Units2 Units
Stories1 Story
Building Area3,205 sqft Living Area
1st Floor Area3,205 sqft
Basement Area670 sqft

Exterior

Year BuiltBuilt 1957
Effective Year BuiltEffective 1957
Architectural StyleMulti-Family
Lot Area7,480 sqft (0.172 acres)
Lot Dimensions155 ft deep x 48 ft wide
Parking Spaces3 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address545 WALNUT ST
CitySAN CARLOS
StateCA
Zip94070-2321
Property CategoryResidential
Property TypeResidential > Multi-Unit > Multi-Family Dwellings
Local Zoning CodeRM0000
Legal DescriptionLOT 9B BLOCK 18 LESS SELY 1.75 FT X 154.08 FT AMEND MAP TOWN OF SAN CARLOS
Legal SubdivisionTOWN OF SAN CARLOS
Legal Block18
Legal Lot Number9B
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group3
Census Block3007
Census Tract609202

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 RecordCompany Name on File
Mailing Address545 WALNUT ST, 101, SAN CARLOS, CA 94070-2321
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

DateDocument
Aug 17, 2023Deed of Trust, Mortgage · Commercial Mortgage
AVIDBANK
Aug 2, 2019Deed of Trust, Mortgage
AVIDBANK

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMar 28, 2014 · Amount on File
Deed SaleMar 28, 2014 · Amount on File
Deed Document Number201425730
Last Transfer DateSep 22, 2014
Transfer Doc0000091866
Record UpdatedSep 20, 2026

August 2023: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address545 WALNUT ST, SAN CARLOS, CA 94070-2321
Transaction TypeMortgage
Record UpdatedSep 27, 2023
Title CompanyLAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name
Address2945 PRIVET DR, HILLSBOROUGH, CA 94010-6247

Mortgage

Document Number0000039679
DateAug 17, 2023
Instrument2023-039679
Lender
NameAVIDBANK
TypeBank
AddressSAN JOSE, CA 95112
Agreement
TypeCommercial Mortgage
AmountAmount on Record
Interest
Rate TypeAdjustable Rate

August 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address545 WALNUT ST, SAN CARLOS, CA 94070-2321
Document Number0000063446
Instrument DateAug 2, 2019
Transaction TypeMortgage
Record UpdatedSep 4, 2019
Title CompanyOTHER

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address865 SWEENEY AVE REDWOOD CITY CA 940633023, REDWOOD CITY, CA 94063-3023

Mortgage

Document Number0000063446
DateAug 9, 2019
Instrument63446
Lender
NameAVIDBANK
TypeBank
Address1732 N 1ST ST # 6TH, SAN JOSE, CA 95112-4541
Agreement
AmountAmount on Record
Interest
Rate TypeAdjustable Rate

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountySan Mateo County
MunicipalitySan Carlos City
Elementary School DistrictSan Carlos Elementary School District (KG - 08)
Secondary School DistrictSequoia Union High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$9,588,418 (+2%) Land $886,513 Building $8,701,905
2025$107,911.00 (+17.54%)$9,400,411 (+16.99%) Land $869,131 Building $8,531,280
2023$91,806.00 (+0.85%)$8,035,383 Land $835,383 Building $7,200,000
2022$91,031.00

Assessed value is set for property tax purposes and is not a market price estimate.

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
Community Rating SystemClass 9 (5% premium discount)
Nearby Flood Policies15 units insured
incl. 15 condo units
Nearby Flood Claims1 (2023)
Claims Outside the SFHA1 of 1
Most Recent ClaimJan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides

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 CARLOS
private · serves 34,801 people · EPA ID CA4110007
Water SourcePurchased surface water from several systems
Last State InspectionSep 2024
Lead6 ppb (2022–2024)
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 659 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 · Fiber in parts of the area		2,000 / 250
Verizon
Fixed Wireless		300 / 20
Etheric Networks
Fixed Wireless		250 / 100

May also be available: GeoLinks, Sonic Telecom, T-Mobile.

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