Douglas County property record for 4418 Sidewinder Loop, Castle Rock, CO 80108
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 5 ba · 3,641 sqft · built 2018 |
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $620,000 (Oct 2018) |
| Tax Bill | $5,526 (2025) |
| Deeds & Mortgages | Mar 2021 Mortgage Oct 2018 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 2507-06-4-07-018 |
| Primary APN | 2507-06-4-07-018 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 5 Baths |
| Stories | 2 Stories |
| Building Area | 3,641 sqft Living Area |
| Gross Area | 5,485 sqft |
| Basement Area | 1,844 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| 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 | 8,712 sqft (0.2 acres) |
| Garage Area | 650 sqft |
| Porch | Porch |
| Porch Area | 412 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R0489536 |
|---|---|
| Street Address | 4418 SIDEWINDER LOOP |
| City | CASTLE ROCK |
| State | CO |
| Zip | 80108-2818 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 34 BLOCK 1 CASTLE OAKS ESTATES 5 0.2 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 | 34 |
| Jurisdiction | DOUGLAS CO |
| Township / Civil Division | PARKER |
| Census Block Group | 6 |
| Census Block | 6000 |
| Census Tract | 14013 |
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 | 4418 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2818 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Mar 2, 2021 | Deed of Trust, Mortgage · Conventional Mortgage FIRST WESTERN TRUST BANK |
| Oct 3, 2018 | Special Warranty Deed, Subdivision Related Transfer · Conventional Mortgage DHI MORTGAGE COMPANY LTD |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 3, 2018 · Amount on Record |
| Deed Sale | Oct 3, 2018 · Amount on Record |
| Prior Sale | May 14, 2015 · Amount on Record |
| Deed Document Number | 201860538 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DOUGLAS CO |
| Property Address | 4418 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2818 |
| Transaction Type | Mortgage |
| Record Updated | Mar 12, 2021 |
| Title Company | ASCENDANT TITLE CO |
| Name | Verified Name |
|---|---|
| Address | 4418 SKIEWINDER LOOP, CASTLE ROCK, CO 80108 |
| Document Number | 0000027242 |
|---|---|
| Date | Mar 2, 2021 |
| Instrument | 2021027242 |
| Name | FIRST WESTERN TRUST BANK |
|---|---|
| Type | Bank |
| Address | ENGLEWOOD, CO 80111 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Mar 1, 2051 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | DOUGLAS CO |
| Recording Date | Oct 3, 2018 |
| Property Address | 4418 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2818 |
| Document Number | 0000060538 |
| Instrument Date | Oct 2, 2018 |
| Instrument | 2018060538 |
| Transaction Type | Subdivision Related Transfer |
| Record Updated | Jan 14, 2022 |
| Title Company | HERITAGE TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $62.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 4418 SIDEWINDER LOOP, CASTLE ROCK, CO 80108-2818 |
| Document Number | 0000060539 |
|---|---|
| Date | Oct 3, 2018 |
| Instrument | 2018060539 |
| Name | DHI MORTGAGE COMPANY LTD |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 1, 2048 |
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 | $53,630 (-) Land $11,160 Building $42,470 | $788,655 (-) Land $164,133 Building $624,522 | |
| 2025 | $5,526.00 (-1.86%) | $53,630 (-5.83%) Land $11,160 Building $42,470 | $788,655 (-7.22%) Land $164,133 Building $624,522 |
| 2024 | $5,631.00 (-0.9%) | ||
| 2023 | $5,682.00 | $56,950 Land $9,390 Building $47,560 | $850,000 Land $140,146 Building $709,854 |
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.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 68% of the US · above 62% of Colorado |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 337 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 |
| BAM Broadband Fixed Wireless · not low latency | 1,000 / 100 |
| Xtream Internet Fixed Wireless | 300 / 100 |
| Aerux Broadband Fixed Wireless | 100 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Verizon.
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