4380 Sidewinder Loop, Castle Rock, CO 80108 Property Records

Douglas County property record for 4380 Sidewinder Loop, Castle Rock, CO 80108

Property Summary

Property TypeSingle Family Home
Details5 bd · 5 ba · 3,659 sqft · built 2018
Lot Size0.17 acres (7,405 sqft)
Owner2 Individual Names on Record
Last Sale$828,000 (Dec 2024)
Tax Bill$5,729 (2025)
Deeds & MortgagesJun 2020 Mortgage
Jul 2019 Mortgage
+ 2 more
Flood ZoneZone X (minimal risk)
APN2507-06-4-07-013

Property Details

APN / Parcel Number

Primary APN2507-06-4-07-013
Alternative APNs
  • R0489531
  • 0489531

Interior

Bedrooms5 Beds
Full Baths5 Baths
Stories2 Stories
Building Area3,659 sqft Living Area
Gross Area5,503 sqft
Basement Area1,844 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 2018
Effective Year BuiltEffective 2018
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Roof TypeGable
Roof MaterialComposition Shingle
Lot Area7,405 sqft (0.17 acres)
Garage Area650 sqft
PorchPorch
Porch Area644 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Account NumberR0489531
Street Address4380 SIDEWINDER LOOP
CityCASTLE ROCK
StateCO
Zip80108-2817
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 29 BLOCK 1 CASTLE OAKS ESTATES 5 0.17 AM/L
Legal Range66W
Legal Township08S
Legal Section06
Legal QuarterSE
Legal SubdivisionCASTLE OAKS ESTATES
Legal Block1
Legal Lot Number29
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 Record2 Individual Names on Record
Mailing Address4380 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Jun 22, 2020Deed of Trust, Mortgage · Conventional Mortgage
AMERISAVE MORTGAGE CORP
Jul 8, 2019Deed of Trust, Mortgage · Conventional Mortgage
AMERISAVE MORTGAGE CORP
Aug 13, 2020Warranty Deed, Transfer · Conventional Mortgage
FORTUNE FINANCIAL INC
May 7, 2018Special Warranty Deed, Subdivision Related Transfer · Conventional Mortgage
DHI MORTGAGE COMPANY LTD

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleDec 17, 2024 · Amount on Record
Deed SaleDec 17, 2024 · Amount on Record
Prior SaleAug 13, 2020 · Amount on Record
Deed Document Number202454463
Record UpdatedSep 20, 2026

June 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionDOUGLAS CO
Property Address4380 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817
Transaction TypeMortgage
Record UpdatedFeb 5, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000054296
DateJun 22, 2020
Instrument2020054296
Lender
NameAMERISAVE MORTGAGE CORP
TypeMortgage Company
AddressATLANTA, GA 30305
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJul 1, 2050

July 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionDOUGLAS CO
Property Address4380 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817
Transaction TypeMortgage
Record UpdatedFeb 5, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000040380
DateJul 8, 2019
Instrument2019040380
Lender
NameAMERISAVE MORTGAGE CORP
TypeMortgage Company
AddressATLANTA, GA 30305
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueAug 1, 2049

August 2020: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionDOUGLAS CO
Recording DateAug 13, 2020
Property Address4380 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817
Document Number0000074638
Instrument DateAug 10, 2020
Instrument2020074638
Transaction TypeTransfer
Record UpdatedJan 14, 2022
Title CompanyEMPIRE TITLE CO SPRINGS LLC

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$67.50
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address4380 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817

Mortgage

Document Number0000074639
DateAug 13, 2020
Instrument2020074639
Lender
NameFORTUNE FINANCIAL INC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term181 Months
DueSep 1, 2035

May 2018: Special Warranty Deed, Subdivision Related Transfer

Document TypeSpecial Warranty Deed
JurisdictionDOUGLAS CO
Recording DateMay 7, 2018
Property Address4380 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817
Document Number0000027356
Instrument DateMay 4, 2018
Instrument2018027356
Transaction TypeSubdivision Related Transfer
Record UpdatedJan 14, 2022
Title CompanyHERITAGE TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$63.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address4380 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817

Mortgage

Document Number0000027357
DateMay 7, 2018
Instrument2018027357
Lender
NameDHI MORTGAGE COMPANY LTD
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJun 1, 2048

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$55,590 (-) Land $10,760 Building $44,830$817,530 (-) Land $158,228 Building $659,302
2025$5,729.00 (-4.83%)$55,590 (-8.31%) Land $10,760 Building $44,830$817,530 (-9.66%) Land $158,228 Building $659,302
2024$6,020.00 (-0.89%)
2023$6,074.00$60,630 Land $9,090 Building $51,540$904,990 Land $135,662 Building $769,328

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 58% of the US · above 43% of Colorado
Wildfire Likelihood0.1% annual chance
ExposureNone
beyond ember reach

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 399 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
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20
AT&T
Fixed Wireless
100 / 20

May also be available: Aerux Broadband, BAM Broadband, Xtream Internet.

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