Boulder County property record for 3331 Sentinel Dr, Boulder, CO 80301 · Last verified June 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.25 ba · 2,298 sqft · built 1992 |
| Lot Size | 0.087 acres (3,795 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $218,000 (Oct 1997) |
| Tax Bill | $5,754 (2025) |
| Deeds & Mortgages | Feb 2024 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-21-3-07-031 |
| Primary APN | 1463-21-3-07-031 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.25 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,298 sqft Living Area |
| Gross Area | 2,791 sqft |
| 1st Floor Area | 757 sqft |
| Upper Floors Area | 860 sqft |
| Basement Area | 757 sqft |
| Finished Basement | 681 sqft |
| Unfinished Basement | 76 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1992 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 3,795 sqft (0.087 acres) |
| Garage Type | Attached |
| Garage Area | 417 sqft |
| Parking Spaces | 2 Parking Spaces |
| Patio Area | 140 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0087733 |
|---|---|
| Street Address | 3331 SENTINEL DR |
| City | BOULDER |
| State | CO |
| Zip | 80301-5474 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 31 BLK 1 NORTHCREEK SUB |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 21 |
| Legal Subdivision | NORTHCREEK SUBDIVISION - BO |
| Legal Block | 1 |
| Legal Lot Number | 31 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 12207 |
Source: Boulder County records · APN 1463-21-3-07-031
Assessment roll updated June 15, 2026 · Last verified June 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 File |
|---|---|
| Mailing Address | 3331 SENTINEL DR, BOULDER, CO 80301-5474 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Oct 02, 1997 · Amount on Record |
| Deed Sale | Oct 02, 1997 · Amount on Record |
| Prior Sale | Mar 31, 1992 · Amount on Record |
| Deed Document Number | 19971736036 |
| Last Transfer Date | Feb 13, 2024 |
| Transfer Doc | 0004036699 |
| Record Updated | Sep 20, 2026 |
| Document Type | Beneficiary Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Feb 13, 2024 |
| Property Address | 3331 SENTINEL DR, BOULDER, CO 80301-5474 |
| Document Number | 0004036699 |
| Instrument Date | Feb 13, 2024 |
| Instrument | 4036699 |
| Transaction Type | Transfer |
| Record Updated | Mar 20, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Living Trust |
| Address | 3331 SENTINEL DR, BOULDER, CO 80301-5474 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $65,661 (+8.8%) Land $31,477 Building $34,184 | $965,600 (-) Land $462,900 Building $502,700 | |
| 2025 | $5,754.00 (-5.25%) | $60,350 (-18.45%) Land $28,931 Building $31,419 | $965,600 (-12.58%) Land $462,900 Building $502,700 |
| 2023 | $6,073.00 (+18.2%) | $74,008 (+33.76%) Land $27,349 Building $46,659 | $1,104,600 (+38.75%) Land $408,200 Building $696,400 |
| 2022 | $5,138.00 | $55,329 Land $23,053 Building $32,276 | $796,100 Land $331,700 Building $464,400 |
Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130122072, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Flood Insurance Cost | Premium on Record median of 20 individual NFIP policies nearby |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 20 in force |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 108 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Ayva | Fixed Wireless (unlicensed) | 2,500 / 2,500 |
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fixed Wireless | 300 / 20 |
| Live Wire Networks | Fixed Wireless (licensed-by-rule) | 250 / 100 |
| Lumen Technologies | DSL | 140 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: Lumen Technologies, Xfinity. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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