1009 S Mountain Ave, Monrovia, CA 91016 Property Records

Los Angeles County property record for 1009 S Mountain Ave, Monrovia, CA 91016

Property Summary

Property TypeLight Industrial
Details13,789 sqft · built 1956
Lot Size0.321 acres (13,967 sqft)
OwnerCompany Name on File
Tax Bill$7,780 (2025)
Deeds & MortgagesJan 2017 Loan Modification
Flood ZoneZone X (minimal risk)
APN8515-004-037

Property Details

APN / Parcel Number

Primary APN8515-004-037

Interior

Stories1 Story
Building Area13,789 sqft Total Area
Gross Area5,400 sqft

Exterior

Year BuiltBuilt 1956
Effective Year BuiltEffective 1956
Construction TypeMasonry / Concrete Block
Fire ResistanceMasonry Walls, Wood Interior
Lot Area13,967 sqft (0.321 acres)
Parking Spaces27 Parking Spaces
Total Buildings2 Buildings

Location & Zoning

Street Address1009 S MOUNTAIN AVE
CityMONROVIA
StateCA
Zip91016-3642
Property CategoryIndustrial
Property TypeIndustrial > Light Industrial
Local Zoning CodeMOM*
Legal DescriptionTRACT # 18171 LOT 2
Legal Subdivision18171
Legal Tract18171
Legal Block1
Legal Lot Number2
JurisdictionLOS ANGELES CA
Township / Civil DivisionUPPER SAN GABRIEL VALLEY
Census Block Group1
Census Block1009
Census Tract431002

Owner

1009 S Mountain Ave, an industrial property, is owned by a company that acquired it in August 2000.

Source: Los Angeles County records, as of August 25, 2026

Owner of RecordCompany Name on File
Mailing Address139 E OLIVE AVE, MONROVIA, CA 91016-3407
Owner TypeCompany
VestingCompany

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

Assessor's Deed Record

Deed NamesName on Deed
Last SaleAug 25, 2000
Deed SaleAug 25, 2000
Prior SaleJun 27, 1997
Deed Document Number20001342169
Prior Transfer DateApr 30, 1998
Prior Transfer Doc0000799737
Record UpdatedOct 29, 2026

January 2017: Loan Modification, Mortgage

Document TypeLoan Modification
JurisdictionLOS ANGELES CA
Property Address1009 S MOUNTAIN AVE, MONROVIA, CA 91016-3642
Document Number0000150125
Instrument DateJan 16, 2017
Transaction TypeMortgage
Record UpdatedFeb 10, 2017
Title CompanyLAWYERS TITLE

Transaction

Additional
  • Multiple Parcels

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPartnership
Address147 E OLIVE AVE MONROVIA CA 910163407, MONROVIA, CA 91016-3407

Mortgage

Document Number0000150125
DateFeb 6, 2017
Instrument150125
Lender
NameCITIZENS BUSN BK
TypeBank
Address100 E HUNTINGTON DR, MONROVIA, CA 91016-3458
Agreement
AmountAmount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 1009 S Mountain Ave was $7,780.

Source: Los Angeles County assessment roll, as of August 25, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyLos Angeles County
MunicipalityMonrovia City
Unified School DistrictMonrovia Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$491,812 (+2%) Land $322,756 Building $169,056
2025$7,780.00$482,170 Land $316,428 Building $165,742
2023$7,405.00 (+2.66%)$463,449 Land $304,142 Building $159,307
2022$7,213.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 1009 S Mountain Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 30, 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

Wildfire risk around 1009 S Mountain Ave is low, with a 0.01% annual chance of 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 SystemMONROVIA-CITY, WATER DEPT.
serves 37,931 people · EPA ID CA1910090
Water SourceGroundwater
Last State InspectionSep 2024
LeadUnder 1 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 464 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable · Fiber in parts of the area
1,000 / 1,000
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20

May also be available: AT&T, Frontier, GeoLinks, Giggle Fiber.

Nearby Properties on S Mountain Ave

Nearby Streets

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