Boulder County property record for 3256 Sentinel Dr, Boulder, CO 80301
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,818 sqft · built 1984 |
| Lot Size | 0.023 acres (989 sqft) |
| Owner | Company Name on Record |
| Last Sale | $548,000 (Apr 2018) |
| Tax Bill | $4,147 (2025) |
| Deeds & Mortgages | Nov 2018 Transfer Apr 2018 Sale + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-21-3-05-022 |
| Primary APN | 1463-21-3-05-022 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Building Area | 1,818 sqft Living Area |
| Gross Area | 1,883 sqft |
| 1st Floor Area | 642 sqft |
| Upper Floors Area | 599 sqft |
| Basement Area | 642 sqft |
| Finished Basement | 577 sqft |
| Unfinished Basement | 65 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | Townhouse |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 989 sqft (0.023 acres) |
| Garage Type | Carport |
| Garage Area | 285 sqft |
| Carport | Carport |
| Carport Area | 285 sqft |
| Parking Spaces | 1 Parking Space |
| Patio Area | 195 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0090653 |
|---|---|
| Street Address | 3256 SENTINEL DR |
| City | BOULDER |
| State | CO |
| Zip | 80301-5448 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 22 BLK 3 CENTER GREEN HEIGHTS REPLAT |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 21 |
| Legal Subdivision | CENTER GREEN HEIGHTS REPLAT - BO |
| Legal Block | 3 |
| Legal Lot Number | 22 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 12207 |
Source: Boulder County records, as of September 18, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 975 S JOSEPHINE ST, DENVER, CO 80209-4730 |
| Owner Type | Company |
| Vesting | Trust, Living Trust |
| Date | Document |
|---|---|
| Nov 15, 2018 | Quit Claim Deed, Transfer Quitclaim |
| Apr 17, 2018 | Warranty Deed, Transfer FIRST AMERICAN TITLE |
| Apr 17, 2018 | Grant Deed, Transfer GUARDIAN TITLE COMPANY |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 17, 2018 · Amount on Record |
| Deed Sale | Apr 17, 2018 · Amount on Record |
| Prior Sale | Apr 17, 2018 · Amount on Record |
| Deed Document Number | 20183650840 |
| Last Transfer Date | Nov 2, 2018 |
| Transfer Doc | 0003686077 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Nov 15, 2018 |
| Property Address | 3256 SENTINEL DR, BOULDER, CO 80301-5448 |
| Document Number | 0003686077 |
| Instrument Date | Nov 2, 2018 |
| Instrument | 3686077 |
| Transaction Type | Transfer |
| Record Updated | Nov 28, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 2230 WOODWORTH CIR ANCHORAGE AK 995171370, ANCHORAGE, AK 99517-1370 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Apr 17, 2018 |
| Property Address | 3256 SENTINEL DR, BOULDER, CO 80301-5448 |
| Document Number | 0003650840 |
| Instrument Date | Apr 12, 2018 |
| Instrument | 3650840 |
| Transaction Type | Transfer |
| Record Updated | Apr 24, 2018 |
| Title Company | FIRST AMERICAN TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $54.80 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 3256 SENTINEL DR BOULDER CO 803015448, BOULDER, CO 80301-5448 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Apr 17, 2018 |
| Property Address | 3256 SENTINEL DR, BOULDER, CO 80301-5448 |
| Document Number | 0003650839 |
| Instrument Date | Dec 15, 2010 |
| Instrument | 3650839 |
| Transaction Type | Transfer |
| Record Updated | Apr 25, 2018 |
| Title Company | GUARDIAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $29.30 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 3256 SENTINEL DR BOULDER CO 803015448, BOULDER, CO 80301-5448 |
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $42,595 (-2.08%) Land $11,335 Building $31,260 | $696,000 (-) Land $236,300 Building $459,700 | |
| 2025 | $4,147.00 (+10.41%) | $43,500 (-7.82%) Land $14,769 Building $28,731 | $696,000 (-1.18%) Land $236,300 Building $459,700 |
| 2023 | $3,756.00 (+7.38%) | $47,188 (+25.27%) Land $14,579 Building $32,609 | $704,300 (+29.94%) Land $217,600 Building $486,700 |
| 2022 | $3,498.00 | $37,669 Land $12,100 Building $25,569 | $542,000 Land $174,100 Building $367,900 |
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 October 14, 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 |
| Flood Insurance Cost | Premium on Record median of 20 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 20 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 99.2% of Colorado |
|---|---|
| Wildfire Likelihood | 0.01% 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 | CITY OF BOULDER serves 166,080 people · EPA ID CO0107152 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2024 |
| Lead | 2 ppb (2023–2025) action level 15 ppb |
| Water Quality | Haloacetic acids resolved · Jul 2017 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 744 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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