12140 Forest St, Thornton, CO 80241 Property Records

Adams County property record for 12140 Forest St, Thornton, CO 80241 · Last verified February 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	3 Baths
Year Built	Built 2020
Square Footage	1,129 sqft Living Area
Lot Size	5,227 sqft (0.119 acres)
Occupancy	Owner Occupied
Last Sale	$490,000 (2024)
Tax Bill	$1,216.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`R0012051`
Alternative APNs	`0157131409015` `157131409015`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Plumbing Fixtures	11 Plumbing Fixtures
Total Rooms	6 Rooms
Building Area	1,129 sqft Living Area
1st Floor	591 sqft 1st Floor
2nd Floor	538 sqft 2nd Floor
Basement Area	399 sqft Basement
Finished Basement	300 sqft Finished
Stories	2 Stories
Interior Structure	Wallboard/Drywall Interior Structure
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 1994
Effective Year Built	Effective 2020
Architectural Style	Other Style
Exterior Material	Aluminum/Vinyl Exterior
Construction Type	Frame Construction
Foundation Type	Concrete Foundation
Roof Construction	Gable Roof Construction
Roof Material	Composition Shingle Roof
Lot Area	5,227 sqft (0.119 acres)
Depth X Width	100 ft x 53 ft Depth x Width
Parking Spaces	2 Parking Spaces
Garage Type	Attached Garage
Garage Area	400 sqft Garage
Shed	1 Shed
Porch	Open Porch

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Forced Air Heating

Location & Zoning

Account Number	R0012051
Old Parcel Number	157131409015
Street Address	12140 FOREST ST
City	THORNTON
State	CO
Zip	80241-3244
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	SUB:CONCORD FILING NO 1 BLK:12 LOT:15
Legal Range	67W
Legal Township	01S
Legal Section	31
Legal Quarter	NE
Legal Subdivision	CONCORD FILING NO 1
Legal Block	12
Legal Lot Number	15
Jurisdiction	ADAMS CO
Minor Civil Division	WEST ADAMS
Census Blockgroup	1
Census Block	1009
Census Tract	8547

Owner

Source: Adams County records · APN R0012051

Assessment roll updated August 25, 2025 · Last verified February 2026

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

Owner of Record	Individual Owner on File
Co-owner	Verified Secondary Owner
Mailing Address	12140 FOREST ST, THORNTON, CO 80241-3244
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Known Transactions	Last Sale Amount on Aug 09, 2024 Deed Sale Price on Aug 09, 2024 Prior Sale Amount on Dec 29, 2020
Deed Doc Number	2024000043600
Record Refreshed	Jun 08, 2026

December 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	ADAMS CO
Recording Date	Dec 29, 2020
Property Address	12140 FOREST ST, THORNTON, CO 80241-3244
Document Number	0000136140
Instrument Date	Dec 16, 2020
Instrument	136140
Transaction Type	Transfer
Record Updated	Jan 08, 2021
Title Company	NOT AVAILABLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$44.00
Amount Accuracy	Confirmed
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	12140 FOREST ST THORNTON CO 802413244, THORNTON, CO 80241-3244

Mortgage

Document Number	136141
Date	Dec 29, 2020
Instrument	136141

Lender

Name	MORTGAGE300
Address	PALM BEACH GARDENS, FL 33408

Agreement

Type	Conventional Mortgage with Private Mortgage Insurance (PMI)
Amount	Amount Recorded
Term	360 Months
Due	Dec 28, 2050

Tax Assessment & Valuation

Source: Adams County records · Assessment roll updated August 25, 2025 · Last verified February 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Adams County
Municipality	Thornton City
Unified School District	Adams 12 Five Star Schools (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.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$1,216.00 (-66.51%)	$28,690 (-13.82%) Land $6,250 Building $22,440	$459,000 (-6.71%) Land $100,000 Building $359,000
2023	$3,631.00 (+12.66%)	$33,290 (+13.77%) Land $6,090 Building $27,200	$492,000 (+16.89%) Land $90,000 Building $402,000
2022	$3,223.00	$29,260 Land $12,240 Building $17,020	$420,902 Land $176,000 Building $244,902