4381 Sidewinder Loop, Castle Rock, CO 80108 Property Records

Douglas County property record for 4381 Sidewinder Loop, Castle Rock, CO 80108

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 3,131 sqft · built 2018
Lot Size	0.161 acres (7,013 sqft)
Owner	2 Individual Names on Record
Last Sale	$749,000 (Jul 2022)
Tax Bill	$4,728 (2025)
Deeds & Mortgages	Jul 2022 Sale & Mortgage Sep 2021 Line of Credit + 3 more
Flood Zone	Zone X (minimal risk)
APN	`2507-06-4-10-004`

Property Details

APN / Parcel Number

Primary APN	`2507-06-4-10-004`
Alternative APNs	`R0489588` `0489588`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Stories	2 Stories
Building Area	3,131 sqft Living Area
Gross Area	3,489 sqft
Basement Area	1,168 sqft
Finished Basement	810 sqft
Unfinished Basement	358 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2018
Effective Year Built	Effective 2018
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Hip
Roof Material	Composition Shingle
Lot Area	7,013 sqft (0.161 acres)
Garage Area	565 sqft
Porch	Porch
Porch Area	296 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Account Number	R0489588
Street Address	4381 SIDEWINDER LOOP
City	CASTLE ROCK
State	CO
Zip	80108-2817
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 4 BLOCK 4 CASTLE OAKS ESTATES 5 0.161 AM/L
Legal Range	66W
Legal Township	08S
Legal Section	06
Legal Quarter	SE
Legal Subdivision	CASTLE OAKS ESTATES
Legal Block	4
Legal Lot Number	4
Jurisdiction	DOUGLAS CO
Township / Civil Division	PARKER
Census Block Group	6
Census Block	6002
Census Tract	14013

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 Record	2 Individual Names on Record
Mailing Address	4381 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jul 14, 2022	Warranty Deed, Transfer · Conventional Mortgage GUARANTEED RATE AFFINITY LLC
Sep 7, 2021	Deed of Trust, Mortgage · Line of Credit FIGURE LENDING LLC
Feb 25, 2021	Deed of Trust, Mortgage · Conventional Mortgage AMERICAN FINANCING CORP
Dec 31, 2019	Deed of Trust, Mortgage · Conventional Mortgage BROKER SOLUTIONS INC
Jan 30, 2018	Special Warranty Deed, Subdivision Related Transfer · Conventional Mortgage DHI MORTGAGE COMPANY LTD

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 14, 2022 · Amount on Record
Deed Sale	Jul 14, 2022 · Amount on Record
Prior Sale	Jan 30, 2018 · Amount on Record
Deed Document Number	202248963
Record Updated	Sep 20, 2026

July 2022: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DOUGLAS CO
Recording Date	Jul 14, 2022
Property Address	4381 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817
Document Number	0000048963
Instrument Date	Jul 13, 2022
Instrument	2022048963
Transaction Type	Transfer
Record Updated	Jul 26, 2022
Title Company	E-CHICAGO TITLE, CHICAGO TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$74.90
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	4381 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817

Mortgage

Document Number	0000048964
Date	Jul 14, 2022
Instrument	2022048964

Lender

Name	GUARANTEED RATE AFFINITY LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2052

September 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DOUGLAS CO
Property Address	4381 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817
Transaction Type	Mortgage
Record Updated	Sep 22, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000103206
Date	Sep 7, 2021
Instrument	2021103206

Lender

Name	FIGURE LENDING LLC
Type	Mortgage Company
Address	CHARLOTTE, NC 28277

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	120 Months
Due	Sep 28, 2031

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DOUGLAS CO
Property Address	4381 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817
Transaction Type	Mortgage
Record Updated	Mar 10, 2021
Title Company	FIRST INTEGRITY TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000024266
Date	Feb 25, 2021
Instrument	2021024266

Lender

Name	AMERICAN FINANCING CORP
Type	Lending Institution
Address	AURORA, CO 80014

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 2051

December 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DOUGLAS CO
Property Address	4381 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIRST AMERICAN MORTGAGE SLN

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000089608
Date	Dec 31, 2019
Instrument	2019089608

Lender

Name	BROKER SOLUTIONS INC
Type	Funding / Finance Company
Address	TUSTIN, CA 92780

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Dec 1, 2049

January 2018: Special Warranty Deed, Subdivision Related Transfer

Document Type	Special Warranty Deed
Jurisdiction	DOUGLAS CO
Recording Date	Jan 30, 2018
Property Address	4381 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817
Document Number	0000006113
Instrument Date	Jan 29, 2018
Instrument	2018006113
Transaction Type	Subdivision Related Transfer
Record Updated	Jan 14, 2022
Title Company	HERITAGE TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$46.72
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	4381 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817
Investor	Possibly a Property Investor

Mortgage

Document Number	0000006114
Date	Jan 30, 2018
Instrument	2018006114

Lender

Name	DHI MORTGAGE COMPANY LTD
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2048

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	Colorado
County	Douglas County
Municipality	Castle Rock Town
Unified School District	Douglas County School District RE-1 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$45,880 (-) Land $10,250 Building $35,630	$674,742 (-) Land $150,734 Building $524,008
2025	$4,728.00 (-4.33%)	$45,880 (-9.04%) Land $10,250 Building $35,630	$674,742 (-10.38%) Land $150,734 Building $524,008
2024	$4,942.00 (-0.9%)
2023	$4,987.00	$50,440 Land $8,670 Building $41,770	$752,851 Land $129,415 Building $623,436

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 Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	3 in force
Nearby Flood Claims	1 (2023)
Claims Outside the SFHA	1 of 1
Most Recent Claim	May 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 Risk	Low lower than 67% of the US · lower than 84% of Colorado
Wildfire Likelihood	0.02% annual chance
Exposure	None 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 System	TOWN OF CASTLE ROCK serves 110,298 people · EPA ID CO0118010
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	2 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

Provider	Max 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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