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4406 Sidewinder Loop, Castle Rock, CO 80108 Property Records

Douglas County property record for 4406 Sidewinder Loop, Castle Rock, CO 80108

Property Summary

Property TypeSingle Family Home
Details5 bd · 3 ba · 3,336 sqft · built 2018
Lot Size0.152 acres (6,621 sqft)
OwnerCompany Name on Record
Last Sale$599,000 (Apr 2025)
Tax Bill$5,205 (2025)
Deeds & MortgagesOct 2021 Sale
Sep 2018 Sale
Flood ZoneZone X (minimal risk)
APN2507-06-4-07-017

Property Details

APN / Parcel Number

Primary APN2507-06-4-07-017
Alternative APNs
  • R0489535
  • 0489535

Interior

Bedrooms5 Beds
Full Baths3 Baths
Stories2 Stories
Building Area3,336 sqft Living Area
Gross Area4,874 sqft
Basement Area1,538 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 2018
Effective Year BuiltEffective 2018
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Roof TypeHip
Roof MaterialComposition Shingle
Lot Area6,621 sqft (0.152 acres)
Garage Area654 sqft
PorchPorch
Porch Area471 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Account NumberR0489535
Street Address4406 SIDEWINDER LOOP
CityCASTLE ROCK
StateCO
Zip80108-2818
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 33 BLOCK 1 CASTLE OAKS ESTATES 5 0.152 AM/L
Legal Range66W
Legal Township08S
Legal Section06
Legal QuarterSE
Legal SubdivisionCASTLE OAKS ESTATES
Legal Block1
Legal Lot Number33
JurisdictionDOUGLAS CO
Township / Civil DivisionPARKER
Census Block Group6
Census Block6000
Census Tract14013

Owner

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

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

Owner of RecordCompany Name on Record
Mailing Address1942 BROADWAY, 314C, BOULDER, CO 80302-5233
Owner TypeCompany
VestingLimited Liability Partnership

Deeds, Mortgages & Sale History

DateDocument
Oct 25, 2021Bargain and Sale Deed, Transfer
Sep 17, 2018Grant Deed, Subdivision Related Transfer
HERITAGE TITLE COMPANY

Assessor's Deed Record

Deed NamesName on Deed
Last SaleApr 1, 2025 · Amount on Record
Deed SaleApr 1, 2025 · Amount on Record
Prior SaleSep 17, 2018 · Amount on Record
Deed Document Number202513713
Record UpdatedSep 20, 2026

October 2021: Bargain and Sale Deed, Transfer

Document TypeBargain and Sale Deed
JurisdictionDOUGLAS CO
Recording DateOct 25, 2021
Property Address4406 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2818
Document Number0000120950
Instrument DateOct 25, 2021
Instrument2021120950
Transaction TypeTransfer
Record UpdatedNov 5, 2021

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address7868 FOREST KEEP CIR, PARKER, CO 80134-6413

September 2018: Grant Deed, Subdivision Related Transfer

Document TypeGrant Deed
JurisdictionDOUGLAS CO
Recording DateSep 17, 2018
Property Address4406 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2818
Document Number0000056854
Instrument DateSep 14, 2018
Instrument56854
Transaction TypeSubdivision Related Transfer
Record UpdatedSep 28, 2018
Title CompanyHERITAGE TITLE COMPANY

Transaction

AmountAmount Recorded
Tax$52.00
Amount AccuracyConfirmed
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
Address4406 SIDEWINDER LOOP CASTLE ROCK CO 801082818, CASTLE ROCK, CO 80108-2818

Tax Assessment & Valuation

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$50,510 (-) Land $10,120 Building $40,390$742,882 (-) Land $148,840 Building $594,042
2025$5,205.00 (+4.27%)$50,510 (-0.81%) Land $10,120 Building $40,390$742,882 (-2.25%) Land $148,840 Building $594,042
2024$4,992.00 (-0.91%)
2023$5,038.00$50,920 Land $8,570 Building $42,350$760,000 Land $127,977 Building $632,023

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

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
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies3 in force
Nearby Flood Claims1 (2023)
Claims Outside the SFHA1 of 1
Most Recent ClaimMay 2023 · rainfall accumulation

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 RiskModerate
above 68% of the US · above 62% of Colorado
Wildfire Likelihood0.2% 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 337 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
CenturyLink
Fiber · DSL in parts of the area		2,000 / 1,000
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
Aerux Broadband
Fixed Wireless		100 / 100
T-Mobile
Fixed Wireless		100 / 20

May also be available: AT&T, Verizon.

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