9490 Mendenhall Ave, Upper Lake, CA 95485 Property Records

Lake County property record for 9490 Mendenhall Ave, Upper Lake, CA 95485

Property Summary

Property TypeSingle Family Home
Details1 bd · 0.5 ba · 938 sqft · built 1959
Lot Size0.12 acres (5,227 sqft)
OwnerIndividual Name on Record
Last Sale$40,000 (Jan 2011)
Tax Bill$595 (2026)
Deeds & MortgagesJan 2018 Mortgage
Oct 2017 Transfer
Flood ZoneZone X (minimal risk)
APN027-242-200-000

Property Details

APN / Parcel Number

Primary APN027-242-200-000

Interior

Bedrooms1 Bed
Building Area938 sqft Living Area

Exterior

Year BuiltBuilt 1959
Effective Year BuiltEffective 1959
Construction TypeMasonry / Concrete Block
Lot Area5,227 sqft (0.12 acres)

Location & Zoning

Street Address9490 MENDENHALL AVE
CityUPPER LAKE
StateCA
Zip95485-9307
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeC2
Legal SubdivisionMENDENHALLS ADD/UPPER LAKE
JurisdictionLAKE CA
Township / Civil DivisionUPPER LAKE-NICE
Census Block Group1
Census Block1034
Census Tract100

Owner

Source: Lake County records, as of October 21, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on Record
Mailing AddressPO BOX 511, UPPER LAKE, CA 95485-0511
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Jan 31, 2018Deed of Trust, Mortgage · Commercial Mortgage
WESTAMERICA BANK
Oct 13, 2017Quit Claim Deed, Transfer
Quitclaim

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJan 27, 2011 · Amount on Record
Deed SaleJan 27, 2011 · Amount on Record
Deed Document Number20111438
Last Transfer DateOct 11, 2017
Transfer Doc0000013862
Record UpdatedOct 29, 2026

January 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionLAKE CA
Property Address9490 MENDENHALL AVE, UPPER LAKE, CA 95485-9307
Transaction TypeMortgage
Record UpdatedFeb 5, 2021
Title CompanyFIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000001053
DateJan 31, 2018
Instrument2018001053
Lender
NameWESTAMERICA BANK
TypeBank
AddressFAIRFIELD, CA 94534
Agreement
TypeCommercial Mortgage
AmountAmount Recorded
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

October 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionLAKE CA
Recording DateOct 13, 2017
Property Address9490 MENDENHALL AVE, UPPER LAKE, CA 95485-9307
Document Number0000013862
Instrument DateOct 11, 2017
Instrument13862
Transaction TypeTransfer
Record UpdatedJan 9, 2018

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
AddressPO BOX 511 UPPER LAKE CA 954850511, UPPER LAKE, CA 95485-0511

Tax Assessment & Valuation

Source: Lake County assessment roll, as of October 21, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyLake County
Unified School DistrictUpper Lake Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$595.00 (+2.94%) Homeowner's exemption$52,258 (+2%) Land $26,129 Building $26,129
2025$578.00 (+3.96%) Homeowner's exemption$51,234 (+4.04%) Land $25,617 Building $25,617
2023$556.00 (-1.59%) Homeowner's exemption$49,246 Land $24,623 Building $24,623
2022$565.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective October 9, 2024 · 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 8 (10% premium discount)
Nearby Flood Policies7 in force
Nearby Flood Claims2 (1998)
Claims Outside the SFHA1 of 2
Most Recent ClaimFeb 1998 · Severe Winter Storms And Flooding
Claims by Event
  • Severe Winter Storms And Flooding, Feb 1998 · 2 claims

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 RiskModerate
above 64% of the US · lower than 60% of California
Wildfire Likelihood0.2% annual chance
ExposureIndirect
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 SystemUPPER LAKE COUNTY WATER DISTRICT
serves 989 people · EPA ID CA1710009
Water SourceGroundwater
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 265 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
DigitalPath
Fixed Wireless
400 / 20
Verizon
Fixed Wireless
300 / 20
Starlink
Satellite
280 / 30
101Netlink
Fixed Wireless
100 / 20
T-Mobile
Fixed Wireless
100 / 20
Valley Internet
Fixed Wireless
50 / 25
AT&T
DSL
10 / 1

May also be available: GeoLinks, Mediacom Xtream.

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