Boulder County property record for 3355 Sentinel Dr, Boulder, CO 80301
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.25 ba · 2,257 sqft · built 1991 |
| Lot Size | 0.089 acres (3,871 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $5,542 (2025) |
| Deeds & Mortgages | Jan 2018 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-21-3-07-036 |
| Primary APN | 1463-21-3-07-036 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.25 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,257 sqft Living Area |
| Gross Area | 2,735 sqft |
| 1st Floor Area | 798 sqft |
| Upper Floors Area | 741 sqft |
| Basement Area | 798 sqft |
| Finished Basement | 718 sqft |
| Unfinished Basement | 80 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1991 |
|---|---|
| Effective Year Built | Effective 1991 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 3,871 sqft (0.089 acres) |
| Garage Type | Attached |
| Garage Area | 398 sqft |
| Parking Spaces | 1 Parking Space |
| Patio Area | 140 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0087738 |
|---|---|
| Street Address | 3355 SENTINEL DR |
| City | BOULDER |
| State | CO |
| Zip | 80301-5474 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 36 BLK 1 NORTHCREEK SUB |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 21 |
| Legal Subdivision | NORTHCREEK SUBDIVISION - BO |
| Legal Block | 1 |
| Legal Lot Number | 36 |
| 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 3355 SENTINEL DR, BOULDER, CO 80301-5474 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 26, 2013 |
| Deed Sale | Dec 26, 2013 |
| Prior Sale | Nov 24, 1998 · Amount on Record |
| Deed Document Number | 20133359188 |
| Prior Transfer Date | Dec 16, 2013 |
| Prior Transfer Doc | 0003359188 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 3355 SENTINEL DR, BOULDER, CO 80301-5474 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | COLORADO ESCROW & TITLE |
| Name | Verified Name |
|---|
| Document Number | 0003638178 |
|---|---|
| Date | Jan 29, 2018 |
| Instrument | 3638178 |
| Name | PEOPLES NATIONAL BANK |
|---|---|
| Type | Bank |
| Address | COLORADO SPRINGS, CO 80918 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 1, 2048 |
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 | $58,487 (+0.61%) Land $27,445 Building $31,042 | $930,100 (-) Land $473,600 Building $456,500 | |
| 2025 | $5,542.00 (-6.83%) | $58,131 (-19.89%) Land $29,600 Building $28,531 | $930,100 (-14.12%) Land $473,600 Building $456,500 |
| 2023 | $5,948.00 (+16.42%) | $72,561 (+31.89%) Land $28,348 Building $44,213 | $1,083,000 (+36.81%) Land $423,100 Building $659,900 |
| 2022 | $5,109.00 | $55,016 Land $24,082 Building $30,934 | $791,600 Land $346,500 Building $445,100 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 67% of the US · lower than 84% of Colorado |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | None beyond ember reach |
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 108 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 · Fiber in parts of the area | 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 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures