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3431 E 86th Ave, Thornton (Denver), CO 80229 Property Records

Adams County property record for 3431 E 86th Ave, Thornton, CO 80229 · Last verified June 2026

Property Highlights

Property TypeIndustrial > Warehouse, Storage
Year BuiltBuilt 1999
Square Footage10,977 sqft Gross Area
Lot Size129,809 sqft (2.98 acres)
Last Sale$2,475,000 (2015)
Tax Bill$73,629.00 (2024)

Property Details

APN / Parcel Number

Primary APN1719-25-1-18-003
Alternative APNs
  • 0171925118003
  • R0116956

Interior

Building Area10,977 sqft Gross Area
Stories2 Stories

Exterior

Year BuiltBuilt 1999
Effective Year BuiltEffective 1999
Fire Resistance ClassBuildings having exterior walls built of a non-combustible material such as brick, concrete, block or poured concrete. Interior partitions and roof structure are built of combustible materials. Floor may be concrete or wood frame.
Roof ConstructionFlat Roof Construction
Lot Area129,809 sqft (2.98 acres)

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemSpace Heating

Location & Zoning

Account NumberR0116956
Street Address3431 E 86TH AVE
CityTHORNTON
StateCO
Zip80229-5200
Property UsageIndustrial Property Usage
TypeIndustrial > Warehouse, Storage
Legal DescriptionSUB:NEWCASTLE BLK:1 LOT:3
Legal Range68W
Legal Township02S
Legal Section25
Legal Quarter1
Legal SubdivisionNEWCASTLE
Legal Block1
Legal Lot Number3
JurisdictionADAMS CO
Minor Civil DivisionWEST ADAMS
Census Blockgroup1
Census Block1001
Census Tract15000

Owner

Source: Adams County records · APN 1719-25-1-18-003

Assessment roll updated January 21, 2026 · Last verified June 2026

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

Owner of RecordIndividual Owner on File
Mailing Address3431 E 86TH AVE, THORNTON, CO 80229-5200
Owner TypeOwner is a Company
VestingCompany

Deeds, Mortgages & Sale History

DateDocument
May 14, 2021Deed of Trust, Mortgage · Line of Credit
RIVER CITY BANK
Jan 29, 2024Intrafamily Transfer, Transfer
LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY

Assessor's Deed Record

Deed NamesVerified Name on Deed
Known Transactions
  • Last Sale Amount on Nov 25, 2015
  • Deed Sale Price on Nov 25, 2015
Deed Doc Number201599222
Last Transfer DateJan 25, 2024
Transfer Doc0000004554
Record RefreshedSep 20, 2026

May 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionADAMS CO
Property Address3431 E 86TH AVE, THORNTON, CO 80229-5200
Transaction TypeMortgage
Record UpdatedFeb 10, 2026
Title CompanyE-CHICAGO TITLE, CHICAGO TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000059461
DateMay 14, 2021
Instrument2021000059461
Lender
NameRIVER CITY BANK
TypeBank
AddressSACRAMENTO, CA 95833
Agreement
TypeLine of Credit
AmountAmount Recorded
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly (Revolving credit lines are monthly unless stated otherwise).

January 2024: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionADAMS CO
Recording DateJan 29, 2024
Property Address3431 E 86TH AVE, THORNTON, CO 80229-5200
Document Number0000004554
Instrument DateJan 25, 2024
Instrument2024000004554
Transaction TypeTransfer
Record UpdatedFeb 10, 2026
Title CompanyLAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY

Transaction

Tax$0.00
Amount AccuracyZero or No Consideration Stated
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address3431 E 86TH AVE, THORNTON, CO 80229-5200

Tax Assessment & Valuation

Source: Adams County records · Assessment roll updated January 21, 2026 · Last verified June 2026

Property Jurisdictions

TypeName
StateColorado
CountyAdams County
MunicipalityThornton City
Unified School DistrictMapleton School District 1 (PK - 12)

Tax Bill & Assessment History

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.

YearTax BillAssessed ValueAssessed Market Value
2025$39,029.00 (-46.99%)$852,240 (+8.82%) Land $324,520 Building $527,720$3,408,947 (+21.45%) Land $1,298,088 Building $2,110,859
2024$73,629.00 (-5.69%)
2023$78,070.00 (+7.59%)$783,130 (+7.58%) Land $217,300 Building $565,830$2,806,900 (+11.82%) Land $778,853 Building $2,028,047
2022$72,562.00$727,950 Land $263,520 Building $464,430$2,510,131 Land $908,662 Building $1,601,469

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