Douglas County property record for 4550 Addenbrooke Loop, Castle Rock, CO 80109
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 2,652 sqft · built 2002 |
| Lot Size | 0.152 acres (6,621 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $281,430 (May 2002) |
| Tax Bill | $3,554 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 2351-28-3-04-039 |
| Primary APN | 2351-28-3-04-039 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 3 Rooms |
| Stories | 2 Stories |
| Building Area | 2,652 sqft Living Area |
| Gross Area | 2,684 sqft |
| Basement Area | 682 sqft |
| Finished Basement | 650 sqft |
| Unfinished Basement | 32 sqft |
| Flooring | Covered |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| 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 | 499 sqft |
| Porch | Porch |
| Porch Area | 202 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0421627 |
|---|---|
| Street Address | 4550 ADDENBROOKE LOOP |
| City | CASTLE ROCK |
| State | CO |
| Zip | 80109-8713 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 20 BLK 2 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 | 2 |
| Legal Lot Number | 20 |
| Jurisdiction | DOUGLAS CO |
| Township / Civil Division | CASTLE ROCK |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 14405 |
4550 Addenbrooke Loop is owned and occupied by two individuals who bought it in May 2002.
Source: Douglas County records, as of June 23, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4550 ADDENBROOKE LOOP, CASTLE ROCK, CO 80109-8713 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 9, 2002 · Amount on File |
| Deed Sale | May 9, 2002 · Amount on File |
| Prior Sale | Jan 4, 2000 · Amount on File |
| Deed Document Number | 200245532 |
| Deed Book / Page | 2326 / 2219 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4550 Addenbrooke Loop was $3,554, up 5.9% from the year before.
Source: Douglas County assessment roll, as of June 23, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Douglas County |
| Municipality | Castle Rock Town |
| Unified School District | Douglas County School District RE-1 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $41,760 (-) Land $11,930 Building $29,830 | $614,005 (-) Land $175,382 Building $438,623 | |
| 2025 | $3,554.00 (+5.93%) | $41,760 Land $11,930 Building $29,830 | $614,005 Land $175,382 Building $438,623 |
| 2024 | $3,355.00 (-17.99%) | ||
| 2023 | $4,091.00 | $42,560 Land $11,120 Building $31,440 | $635,161 Land $165,905 Building $469,256 |
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.
FEMA maps place 4550 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 risk around 4550 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.
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 |
| 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.
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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