4475 Addenbrooke Loop, Castle Rock, CO 80109 Property Records

Douglas County property record for 4475 Addenbrooke Loop, Castle Rock, CO 80109

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 4,148 sqft · built 2002
Lot Size	0.152 acres (6,621 sqft)
Owner	2 Individual Names on File
Last Sale	$614,900 (Jun 2020)
Tax Bill	$5,155 (2025)
Deeds & Mortgages	May 2022 Line of Credit Jun 2020 Sale & Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`2351-28-3-23-015`

Property Details

APN / Parcel Number

Primary APN	`2351-28-3-23-015`
Alternative APNs	`R0421585` `0421585`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	4,148 sqft Living Area
Gross Area	4,277 sqft
Basement Area	1,292 sqft
Finished Basement	1,163 sqft
Unfinished Basement	129 sqft
Flooring	Covered
Interior Walls	Wallboard/Drywall
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2002
Effective Year Built	Effective 2002
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	6,621 sqft (0.152 acres)
Garage Area	463 sqft
Porch	Porch
Porch Area	505 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Account Number	R0421585
Street Address	4475 ADDENBROOKE LOOP
City	CASTLE ROCK
State	CO
Zip	80109-8707
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 20 BLK 1 THE MEADOWS FILING 11 PARCEL 2 0.152 AM/L
Legal Range	67W
Legal Township	07S
Legal Section	28
Legal Quarter	SW
Legal Subdivision	MEADOWS THE
Legal Block	1
Legal Lot Number	20
Jurisdiction	DOUGLAS CO
Township / Civil Division	CASTLE ROCK
Census Block Group	3
Census Block	3005
Census Tract	14405

Owner

4475 Addenbrooke Loop is owned and occupied by two individuals who bought it in June 2020.

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

Owner of Record	2 Individual Names on File
Mailing Address	4475 ADDENBROOKE LOOP, CASTLE ROCK, CO 80109-8707
Occupancy	Owner Occupied
Owner Type	Individual

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

Date	Document
May 31, 2022	Deed of Trust, Mortgage · Line of Credit ENT CU
Jun 1, 2020	Special Warranty Deed, Transfer · Conventional Mortgage ENT CU
Jun 1, 2020	Warranty Deed, Transfer STEWART TITLE
Jul 23, 2018	Warranty Deed, Transfer · Conventional with PMI QUICKEN LNS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 1, 2020 · Amount on File
Deed Sale	Jun 1, 2020 · Amount on File
Prior Sale	Jun 1, 2020 · Amount on File
Deed Document Number	202046592
Prior Transfer Date	Aug 11, 2009
Prior Transfer Doc	0000075961
Record Updated	Oct 29, 2026

May 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DOUGLAS CO
Property Address	4475 ADDENBROOKE LOOP, CASTLE ROCK, CO 80109-8707
Transaction Type	Mortgage
Record Updated	Jan 12, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000038780
Date	May 31, 2022
Instrument	2022038780

Lender

Name	ENT CU
Type	Credit Union
Address	COLORADO SPRINGS, CO 80921

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	300 Months
Due	May 28, 2047

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

June 2020: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	DOUGLAS CO
Recording Date	Jun 1, 2020
Property Address	4475 ADDENBROOKE LOOP, CASTLE ROCK, CO 80109-8707
Document Number	0000046592
Instrument Date	May 29, 2020
Instrument	2020046592
Transaction Type	Transfer
Record Updated	Jul 26, 2022
Title Company	STEWART TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$61.49
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4475 ADDENBROOKE LOOP, CASTLE ROCK, CO 80109-8707

Mortgage

Document Number	0000046593
Date	Jun 1, 2020
Instrument	2020046593

Lender

Name	ENT CU
Type	Credit Union

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jun 1, 2050

June 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DOUGLAS CO
Recording Date	Jun 1, 2020
Property Address	4475 ADDENBROOKE LOOP, CASTLE ROCK, CO 80109-8707
Document Number	0000046591
Instrument Date	May 29, 2020
Instrument	46591
Transaction Type	Transfer
Record Updated	Jun 15, 2020
Title Company	STEWART TITLE

Transaction

Amount	Amount on Record
Tax	$61.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	2707 N 118TH ST OMAHA NE 681649672, OMAHA, NE 68164-9672
Investor	Possibly a Property Investor

July 2018: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DOUGLAS CO
Recording Date	Jul 23, 2018
Property Address	4475 ADDENBROOKE LOOP, CASTLE ROCK, CO 80109-8707
Document Number	0000044336
Instrument Date	Jul 19, 2018
Instrument	44336
Transaction Type	Transfer
Record Updated	Aug 9, 2018
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$54.99
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	4475 ADDENBROOKE LOOP CASTLE ROCK CO 801098707, CASTLE ROCK, CO 80109-8707

Mortgage

Document Number	44337
Date	Jul 23, 2018
Instrument	44337

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional with PMI
Amount	Amount on Record
Term	360 Months
Due	Jul 22, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 4475 Addenbrooke Loop was $5,155, down 2.5% from the year before.

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		$50,690 (-) Land $11,210 Building $39,480	$745,402 (-) Land $164,859 Building $580,543
2025	$5,155.00 (-2.48%)	$50,690 Land $11,210 Building $39,480	$745,402 Land $164,859 Building $580,543
2024	$5,286.00 (-0.92%)
2023	$5,335.00	$54,390 Land $10,450 Building $43,940	$811,717 Land $155,951 Building $655,766

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 4475 Addenbrooke Loop 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 Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 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 4475 Addenbrooke Loop is low, with a 0.06% annual chance of wildfire.

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

Wildfire Risk	Low lower than 64% of the US · lower than 81% of Colorado
Wildfire Likelihood	0.06% annual chance
Exposure	Direct burnable vegetation

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 602 locations within half a mile, as of December 31, 2025

Provider	Max 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
CenturyLink DSL · Fiber in parts of the area	140 / 20

May also be available: Aerux Broadband, Verizon.

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