Boulder County property record for 3945 17th St, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.25 ba · 2,706 sqft · built 1983 |
| Lot Size | 0.379 acres (16,511 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $26,500 (Dec 1980) |
| Tax Bill | $9,221 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-18-3-06-029 |
| Primary APN | 1463-18-3-06-029 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.25 Baths |
| Half Baths | 3 Half Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,706 sqft Living Area |
| Gross Area | 3,206 sqft |
| 1st Floor Area | 1,630 sqft |
| Upper Floors Area | 1,076 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1983 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | A-Frame |
| Exterior Material | Combination |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 16,511 sqft (0.379 acres) |
| Garage Type | Attached |
| Garage Area | 500 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 140 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Hot Water |
| Account Number | R0081211 |
|---|---|
| Street Address | 3945 17TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80304-1203 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 8 & ELY 13 FT OF LOT 7 BLK 19 MOORES LESS 30FT VAC POPLAR AVE TO CITY OF BOULDER PER DEED 1736489 BCR PT SPLIT FR ID 99231/#1736653 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 18 |
| Legal Subdivision | MOORES & REPLAT LOT 15 BLK 30 - BO |
| Legal Block | 19 |
| Legal Lot Number | 8 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3007 |
| Census Tract | 12105 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 3945 17TH ST, BOULDER, CO 80304-1203 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 11, 1980 · Amount on Record |
| Deed Sale | Dec 11, 1980 · Amount on Record |
| Deed Document Number | 1980426241 |
| Last Transfer Date | Apr 18, 2003 |
| Transfer Doc | 0002437466 |
| Record Updated | Oct 29, 2026 |
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 | $107,263 (+4.18%) Land $69,795 Building $37,468 | $1,647,400 (-) Land $1,096,400 Building $551,000 | |
| 2025 | $9,221.00 (+0.14%) | $102,963 (-10.6%) Land $68,525 Building $34,438 | $1,647,400 (-4.16%) Land $1,096,400 Building $551,000 |
| 2024 | $9,208.00 (+1.77%) | ||
| 2023 | $9,048.00 (+17.52%) | $115,166 (+28.17%) Land $70,839 Building $44,327 | $1,718,900 (+32.95%) Land $1,057,300 Building $661,600 |
| 2022 | $7,699.00 | $89,857 Land $57,150 Building $32,707 | $1,292,900 Land $822,300 Building $470,600 |
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 32 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 32 in force |
| Nearby Flood Claims | 26 (2005–2015) |
| Claims Outside the SFHA | 10 of 26 |
| Most Recent Claim | May 2015 · Severe Storms, Tornadoes, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
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 482 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| CenturyLink Fiber · DSL in parts of the area | 8,000 / 8,000 |
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| Xfinity Cable | 2,000 / 250 |
| LiveWireNet Fixed Wireless | 250 / 100 |
May also be available: T-Mobile, Verizon.
5G (outdoors only) and 4G LTE
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