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5583 Killen Ave, Castle Rock, CO 80104 Property Records

Douglas County property record for 5583 Killen Ave, Castle Rock, CO 80104

Property Summary

Property TypeSingle Family Home
Details4 bd · 4 ba · 3,817 sqft · built 2006
Lot Size0.919 acres (40,032 sqft)
Owner2 Individual Names on File
Last Sale$471,000 (Sep 2006)
Tax Bill$6,774 (2025)
Deeds & MortgagesOct 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN2507-17-4-01-005

Property Details

APN / Parcel Number

Primary APN2507-17-4-01-005
Alternative APNs
  • R0435289
  • 0435289

Interior

Bedrooms4 Beds
Full Baths4 Baths
Total Rooms5 Rooms
Stories2 Stories
Building Area3,817 sqft Living Area
FlooringCovered
Interior WallsWallboard/Drywall
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 2006
Effective Year BuiltEffective 2006
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Roof TypeGable
Roof MaterialComposition Shingle
Lot Area40,032 sqft (0.919 acres)
Garage Area1,096 sqft
PorchPorch
Porch Area392 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Account NumberR0435289
Street Address5583 KILLEN AVE
CityCASTLE ROCK
StateCO
Zip80104-5449
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 21 BLOCK 5 CASTLEWOOD RANCH FILING 1 PARCEL 8 TOTAL ACREAGE 0.919 AM/L
Legal Range66W
Legal Township08S
Legal Section17
Legal QuarterSE
Legal SubdivisionCASTLEWOOD RANCH
Legal Block5
Legal Lot Number21
JurisdictionDOUGLAS CO
Township / Civil DivisionPARKER
Census Block Group1
Census Block1031
Census Tract14604

Owner

5583 Killen Ave is owned and occupied by two individuals who bought it in September 2006.

Source: Douglas County records, as of June 23, 2026

Owner of Record2 Individual Names on File
Mailing Address5583 KILLEN AVE, CASTLE ROCK, CO 80104-5449
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

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 Names2 Names on Deed
Last SaleSep 11, 2006 · Amount on File
Deed SaleSep 11, 2006 · Amount on File
Prior SaleMay 26, 2005 · Amount on File
Deed Document Number200678575
Record UpdatedOct 29, 2026

October 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionDOUGLAS CO
Property Address5583 KILLEN AVE, CASTLE ROCK, CO 80104-5449
Transaction TypeMortgage
Record UpdatedFeb 5, 2021

Transferred To (Grantee/Buyer)

NameVerified Name
Address5583 KILLEN AVE, CASTLE ROCK, CO 80104-5449

Mortgage

Document Number0000099345
DateOct 13, 2020
Instrument2020099345
Lender
NameCOLTEN MORTGAGE
TypeMortgage Company
AddressENGLEWOOD, CO 80111
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueOct 1, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 5583 Killen Ave was $6,774, up 2.9% from the year before.

Source: Douglas County assessment roll, as of June 23, 2026

Property Jurisdictions

TypeName
StateColorado
CountyDouglas County
MunicipalityCastle Rock Town
Unified School DistrictDouglas County School District RE-1 (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$69,580 (-) Land $20,390 Building $49,190$1,023,338 (-) Land $299,923 Building $723,415
2025$6,774.00 (+2.95%)$69,580 Land $20,390 Building $49,190$1,023,338 Land $299,923 Building $723,415
2024$6,580.00 (-0.96%)
2023$6,644.00$69,820 Land $16,510 Building $53,310$1,041,968 Land $246,365 Building $795,603

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 5583 Killen Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective June 4, 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 5 (25% premium discount)
Nearby Flood Policies3 in force

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

Wildfire risk around 5583 Killen Ave is high, ranking above 71% of the US, with a 0.4% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskHigh
above 71% of the US · above 66% of Colorado
Wildfire Likelihood0.4% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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 SystemTOWN OF CASTLE ROCK
serves 110,298 people · EPA ID CO0118010
Water SourceSurface water
Last State InspectionSep 2024
Lead2 ppb (2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting2
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 90 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Kellin Communications
Fixed Wireless		1,000 / 220
BAM Broadband
Fixed Wireless · not low latency		1,000 / 100
Xtream Internet
Fixed Wireless		300 / 100
T-Mobile
Fixed Wireless		100 / 20

May also be available: Aerux Broadband, Verizon.

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