Boulder County property record for 434 16th St, Boulder, CO 80302
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 560 sqft · built 1909 |
| Lot Size | 0.232 acres (10,087 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $5,138 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1577-06-2-11-004 |
| Primary APN | 1577-06-2-11-004 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 560 sqft Living Area |
| 1st Floor Area | 560 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1909 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 10,087 sqft (0.232 acres) |
| Garage Type | Detached |
| Garage Area | 200 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Floor/Wall Furnace |
|---|
| Account Number | R0002964 |
|---|---|
| Street Address | 434 16TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80302-7902 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N 65 FT LOTS 7-8-9 BLK 16 FLORAL PARK |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 06 |
| Legal Subdivision | FLORAL PARK & WEIHOFEN RESUB - BO |
| Legal Block | 16 |
| Legal Lot Number | 7 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1020 |
| Census Tract | 12505 |
Source: Boulder County records · APN 1577-06-2-11-004
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 | Individual Name on File |
|---|---|
| Mailing Address | PO BOX 539, GUNNISON, CO 81230-0539 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jan 27, 1989 |
| Deed Sale | Jan 27, 1989 |
| Deed Document Number | 1989964812 |
| Last Transfer Date | Sep 14, 2007 |
| Transfer Doc | 0002893611 |
| Record Updated | Sep 20, 2026 |
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 and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $58,630 (+8.8%) Land $52,767 Building $5,863 | $862,200 (-) Land $775,980 Building $86,220 | |
| 2025 | $5,138.00 (+25.29%) | $53,888 (+5.29%) Land $48,499 Building $5,389 | $862,200 (+12.87%) Land $775,980 Building $86,220 |
| 2023 | $4,101.00 (+1.06%) | $51,181 (+17.12%) Land $46,063 Building $5,118 | $763,900 (+21.49%) Land $687,510 Building $76,390 |
| 2022 | $4,058.00 | $43,701 Land $39,331 Building $4,370 | $628,800 Land $565,920 Building $62,880 |
Source: FEMA National Flood Hazard Layer as of October 14, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 15 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 15 in force |
| Nearby Flood Claims | 12 (1994–2013) |
| Claims Outside the SFHA | 4 of 12 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
| Wildfire Risk | Moderate above 67% of the US · above 60% of Colorado |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Fixed Wireless | 2,500 / 2,500 |
| Lumen Technologies Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Live Wire Networks Fixed Wireless | 250 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: Magnolia Road Internet Cooperative.
Based on FCC filings for 481 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF BOULDER serves 166,080 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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