4388 Sidewinder Loop, Castle Rock, CO 80108 Property Records

Douglas County property record for 4388 Sidewinder Loop, Castle Rock, CO 80108

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 4,659 sqft · built 2018
Lot Size	0.188 acres (8,189 sqft)
Owner	2 Individual Names on Record
Last Sale	$550,000 (Jun 2018)
Tax Bill	$5,526 (2025)
Deeds & Mortgages	Jan 2024 Line of Credit Feb 2022 Line of Credit + 5 more
Flood Zone	Zone X (minimal risk)
APN	`2507-06-4-07-015`

Property Details

APN / Parcel Number

Primary APN	`2507-06-4-07-015`
Alternative APNs	`R0489533` `0489533`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Stories	2 Stories
Building Area	4,659 sqft Living Area
Basement Area	1,431 sqft
Finished Basement	1,431 sqft

Exterior

Year Built	Built 2018
Effective Year Built	Effective 2018
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	8,189 sqft (0.188 acres)
Garage Area	702 sqft
Porch	Porch
Porch Area	262 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Account Number	R0489533
Street Address	4388 SIDEWINDER LOOP
City	CASTLE ROCK
State	CO
Zip	80108-2817
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 31 BLOCK 1 CASTLE OAKS ESTATES 5 0.188 AM/L
Legal Range	66W
Legal Township	08S
Legal Section	06
Legal Quarter	SE
Legal Subdivision	CASTLE OAKS ESTATES
Legal Block	1
Legal Lot Number	31
Jurisdiction	DOUGLAS CO
Township / Civil Division	PARKER
Census Block Group	6
Census Block	6000
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	4388 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Jan 8, 2024	Deed of Trust, Mortgage · Line of Credit USALLIANCE FCU
Feb 1, 2022	Deed of Trust, Mortgage · Line of Credit COLORADO CU
Jan 13, 2022	Deed of Trust, Mortgage · Conventional Mortgage PARAMOUNT RESIDENTIAL MORTGAGE GROUP INC
Dec 8, 2020	Deed of Trust, Mortgage · Conventional Mortgage PARAMOUNT RESIDENTIAL MORTGAGE GROUP INC
Sep 17, 2019	Deed of Trust, Mortgage · Conventional Mortgage PARAMOUNT RESIDENTIAL MORTGAGE GROUP INC
Dec 8, 2020	Deed of Trust, Mortgage · Line of Credit BELLCO CU
Jun 19, 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	Jun 19, 2018 · Amount on Record
Deed Sale	Jun 19, 2018 · Amount on Record
Prior Sale	May 14, 2015 · Amount on Record
Deed Document Number	201836569
Record Updated	Sep 20, 2026

January 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DOUGLAS CO
Property Address	4388 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817
Transaction Type	Mortgage
Record Updated	Jan 18, 2024

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4388 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817

Mortgage

Document Number	0000000788
Date	Jan 8, 2024
Instrument	2024000788

Lender

Name	USALLIANCE FCU
Type	Credit Union
Address	CHELMSFORD, MA 01824

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Jan 25, 2054

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

February 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DOUGLAS CO
Property Address	4388 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817
Transaction Type	Mortgage
Record Updated	Feb 14, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000007363
Date	Feb 1, 2022
Instrument	2022007363

Lender

Name	COLORADO CU
Type	Credit Union
Address	LITTLETON, CO 80127

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

January 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DOUGLAS CO
Property Address	4388 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817
Transaction Type	Mortgage
Record Updated	Jan 26, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4388 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817

Mortgage

Document Number	0000003323
Date	Jan 13, 2022
Instrument	2022003323

Lender

Name	PARAMOUNT RESIDENTIAL MORTGAGE GROUP INC
Type	Mortgage Company
Address	CORONA, CA 92879

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jan 1, 2052

December 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DOUGLAS CO
Property Address	4388 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	ASCENDANT TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4388 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817

Mortgage

Document Number	0000120234
Date	Dec 8, 2020
Instrument	2020120234

Lender

Name	PARAMOUNT RESIDENTIAL MORTGAGE GROUP INC
Type	Mortgage Company
Address	CORONA, CA 92879

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Dec 1, 2050

September 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DOUGLAS CO
Property Address	4388 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	ASCENDANT TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000060426
Date	Sep 17, 2019
Instrument	2019060426

Lender

Name	PARAMOUNT RESIDENTIAL MORTGAGE GROUP INC
Type	Mortgage Company
Address	CORONA, CA 92879

Agreement

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

December 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DOUGLAS CO
Property Address	4388 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	ASCENDANT TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000120235
Date	Dec 8, 2020
Instrument	2020120235

Lender

Name	BELLCO CU
Type	Credit Union
Address	ENGLEWOOD, CO 80111

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	239 Months
Due	Nov 16, 2040

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

June 2018: Special Warranty Deed, Subdivision Related Transfer

Document Type	Special Warranty Deed
Jurisdiction	DOUGLAS CO
Recording Date	Jun 19, 2018
Property Address	4388 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817
Document Number	0000036569
Instrument Date	Jun 15, 2018
Instrument	2018036569
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	$55.00
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	4388 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2817

Mortgage

Document Number	0000036570
Date	Jun 19, 2018
Instrument	2018036570

Lender

Name	DHI MORTGAGE COMPANY LTD
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 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		$53,620 (-) Land $11,130 Building $42,490	$788,566 (-) Land $163,671 Building $624,895
2025	$5,526.00 (+2.62%)	$53,620 (-1.87%) Land $11,130 Building $42,490	$788,566 (-3.3%) Land $163,671 Building $624,895
2024	$5,385.00 (-0.9%)
2023	$5,434.00	$54,640 Land $9,380 Building $45,260	$815,464 Land $139,971 Building $675,493

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	Moderate above 58% of the US · above 43% of Colorado
Wildfire Likelihood	0.1% 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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