Boulder County property record for 1905 15th St, Boulder, CO 80302
| Property Type | Federal Property (Exempt) |
|---|---|
| Details | 26,400 sqft · built 1950 |
| Lot Size | 0.752 acres (32,747 sqft) |
| Owner | Company Name on File |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-30-3-36-008 |
| Primary APN | 1463-30-3-36-008 |
|---|---|
| Alternative APNs |
|
| Stories | 1 Story |
|---|---|
| Building Area | 26,400 sqft |
| 1st Floor Area | 26,400 sqft |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1970 |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 32,747 sqft (0.752 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0085089 |
|---|---|
| Street Address | 1905 15TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80306-8401 |
| Property Category | Public Works |
| Property Type | Public Works > Federal Property (Exempt) |
| Legal Description | N 50 FT OF LOTS 7 & 8 & ALL LOTS 9-12 BLK 69 BOULDER O T POST OFFICE |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 30 |
| Legal Subdivision | BOULDER O T EAST & WEST & NORTH - BO |
| Legal Block | 69 |
| Legal Lot Number | 7 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3027 |
| Census Tract | 12204 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Downtown Boulder Historic District listed 1980 · 125 contributing resources · NRIS 80000878 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
1905 15th St, a public works property, is owned by a company that acquired it in June 1959.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1905 15TH ST, BOULDER, CO 80302-5413 |
| Owner Type | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 6, 1959 |
| Deed Sale | Jun 6, 1959 |
| Deed Document Number | 1959633556 |
| 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 | $3,125,070 (-3.7%) Land $1,503,944 Building $1,621,126 | $12,019,500 (-) Land $5,784,400 Building $6,235,100 | |
| 2025 | Additional exemption filed | $3,245,265 Land $1,561,788 Building $1,683,477 | $12,019,500 Land $5,784,400 Building $6,235,100 |
| 2023 | Additional exemption filed | $3,148,682 Land $1,473,845 Building $1,674,837 | $11,285,600 Land $5,282,600 Building $6,003,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1905 15th St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 63 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 72 units insured incl. 9 condo units |
| Nearby Flood Claims | 15 (1983–2013) |
| Claims Outside the SFHA | 1 of 15 |
| Most Recent Claim | Sep 2013 · Severe Storms, 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.
Wildfire risk around 1905 15th St is low, with a 0.01% annual chance of wildfire.
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 | 0.01% 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 544 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| CenturyLink Fiber | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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