Boulder County property record for 3909 15th St, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,576 sqft · built 1985 |
| Lot Size | 0.39 acres (16,990 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $570,000 (Aug 2001) |
| Tax Bill | $8,897 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-18-3-33-001 |
| Primary APN | 1463-18-3-33-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Building Area | 2,576 sqft Living Area |
| Gross Area | 3,024 sqft |
| 1st Floor Area | 1,496 sqft |
| Upper Floors Area | 360 sqft |
| Basement Area | 768 sqft |
| Finished Basement | 720 sqft |
| Unfinished Basement | 48 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Split Level |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 16,990 sqft (0.39 acres) |
| Garage Type | Attached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 288 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0090430 |
|---|---|
| Street Address | 3909 15TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80304-1101 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 1 ORCHARDS END |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 18 |
| Legal Subdivision | ORCHARDS END - BO |
| Legal Block | 3 |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3005 |
| Census Tract | 12105 |
Source: Boulder County records, as of June 15, 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 | 3909 15TH ST, BOULDER, CO 80304-1101 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 3, 2001 · Amount on Record |
| Deed Sale | Aug 3, 2001 · Amount on Record |
| Prior Sale | Apr 29, 1985 |
| Deed Document Number | 20012181370 |
| Prior Transfer Date | Nov 23, 2000 |
| Prior Transfer Doc | 0002108353 |
| Record Updated | Sep 20, 2026 |
Source: Boulder County assessment roll, as of June 15, 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 | $108,331 (+8.8%) Land $75,630 Building $32,701 | $1,593,100 (-) Land $1,112,200 Building $480,900 | |
| 2025 | $8,897.00 (+1.44%) | $99,569 (-11.06%) Land $69,513 Building $30,056 | $1,593,100 (-4.66%) Land $1,112,200 Building $480,900 |
| 2023 | $8,771.00 (+19.24%) | $111,951 (+29.92%) Land $71,858 Building $40,093 | $1,670,900 (+34.77%) Land $1,072,500 Building $598,400 |
| 2022 | $7,356.00 | $86,166 Land $57,977 Building $28,189 | $1,239,800 Land $834,200 Building $405,600 |
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 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 80% of the US · lower than 91% 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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