10840 Riverdale Rd, Thornton (Denver), CO 80233 Property Records

Adams County property record for 10840 Riverdale Rd, Thornton, CO 80233

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 2,068 sqft · built 1901
Lot Size3.69 acres (161,128 sqft)
OwnerIndividual Name on Record
Last Sale$10,000 (Jul 2008)
Tax Bill$1,339 (2025)
Deeds & MortgagesAug 2026 Transfer
Flood ZoneZone X (minimal risk)
APN1721-08-2-00-005

Property Details

APN / Parcel Number

Primary APN1721-08-2-00-005
Alternative APNs
  • 0172108200005
  • R0178200
  • R0074976

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms4 Rooms
Stories1 Story
Building Area2,068 sqft Living Area
Gross Area3,487 sqft
1st Floor Area1,540 sqft
Basement Area891 sqft
Interior WallsPlaster

Exterior

Year BuiltBuilt 1901
Effective Year BuiltEffective 1960
Architectural StyleRanch
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Roof TypeGable
Roof MaterialComposition Shingle
Lot Area161,128 sqft (3.69 acres)
Garage TypeAttached
Garage Area324 sqft
PorchEnclosed Porch
Porch Area204 sqft
Storage Building1,280 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0178200
Street Address10840 RIVERDALE RD
CityTHORNTON
StateCO
Zip80233-4901
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeA1
Legal DescriptionSECT,TWN,RNG:7-2-67 DESC: A PARC IN NE4 SEC 7 AND NW4 SEC 8 BEG 136/67 FT N OF W4 COR SEC 8 TH N 62D 58M W 145/26 FT TO ELY ROW LN RIVERDALE RD TH N 25D 50M E 141/90 FT TH S 73D 28M E 165/51 FT TH S 23D 58M W 129/26 FT TH S 63D 58M E 140/77 FT TO PT
Legal Range67W
Legal Township02S
Legal Section08
Legal Quarter2
JurisdictionADAMS CO
Township / Civil DivisionWEST ADAMS
Census Block Group1
Census Block1044
Census Tract8551

Owner

Source: Adams County records, as of August 13, 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 Address10850 RIVERDALE RD, THORNTON, CO 80233-4901
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJul 3, 2008 · Amount on Record
Deed SaleJul 3, 2008 · Amount on Record
Deed Document Number200853793
Last Transfer DateApr 24, 2026
Transfer Doc0000046364
Record UpdatedSep 20, 2026

August 2026: Transfer on Death Deed, Transfer

Document TypeTransfer on Death Deed
JurisdictionADAMS CO
Recording DateAug 4, 2026
Property Address10840 RIVERDALE RD, THORNTON, CO 80233-4901
Document Number0000046364
Instrument DateApr 24, 2026
Instrument202646364
Transaction TypeTransfer
Record UpdatedAug 31, 2026
Title CompanyNONE LISTED ON DOCUMENT

Transaction

Tax$0.00
Amount AccuracyFull Amount Stated

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address10850 RIVERDALE RD, THORNTON, CO 80233-4901

Tax Assessment & Valuation

Source: Adams County assessment roll, as of January 21, 2026

Property Jurisdictions

TypeName
StateColorado
CountyAdams County
Unified School DistrictAdams County School District 14 (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$1,339.00 (+39.48%)$14,520 (+26.26%) Land $7,140 Building $7,380$213,500 (+25.59%) Land $105,000 Building $108,500
2023$960.00 (-29.2%)$11,500 (-28.48%) Land $4,160 Building $7,340$170,000 (-26.57%) Land $61,500 Building $108,500
2022$1,356.00$16,080 Land $8,540 Building $7,540$231,500 Land $123,000 Building $108,500

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective October 2, 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 8 (10% premium discount)
Nearby Flood Policies1 in force
Nearby Flood Claims2 (2013)
Claims Outside the SFHA1 of 2
Most Recent ClaimSep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 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 RiskLow
lower than 94% of the US · lower than 97.8% of Colorado
Wildfire Likelihood0.02% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Internet Providers

Source: FCC Broadband Data Collection, based on 50 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Ting
Fiber
2,000 / 2,000
Intrepid Fiber Networks
Fiber
2,000 / 2,000
Xfinity
Cable
2,000 / 250
Rise Broadband
Fixed Wireless
300 / 60
Verizon
Fixed Wireless
300 / 20
CenturyLink
DSL
140 / 20
T-Mobile
Fixed Wireless
100 / 20

May also be available: Aerux Broadband.

Nearby Properties on Riverdale Rd

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