Boulder County property record for 6521 Barnacle St, Boulder, CO 80301
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.75 ba · 2,616 sqft · built 1979 |
| Lot Size | 0.158 acres (6,879 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $457,500 (Aug 2014) |
| Tax Bill | $5,484 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-11-3-06-012 |
| Primary APN | 1463-11-3-06-012 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Building Area | 2,616 sqft Living Area |
| Gross Area | 3,144 sqft |
| 1st Floor Area | 1,320 sqft |
| Upper Floors Area | 672 sqft |
| Basement Area | 624 sqft |
| Finished Basement | 624 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Split Level |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 6,879 sqft (0.158 acres) |
| Garage Type | Attached |
| Garage Area | 528 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 56 sqft |
| Deck Area | 285 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0073870 |
|---|---|
| Street Address | 6521 BARNACLE ST |
| City | BOULDER |
| State | CO |
| Zip | 80301-3123 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SR |
| Legal Description | LOT 12 BLK 1 STARBOARD |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 14 |
| Legal Subdivision | STARBOARD - BOV |
| Legal Block | 1 |
| Legal Lot Number | 12 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 12708 |
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 | 6521 BARNACLE ST, BOULDER, CO 80301-3123 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 25, 2014 · Amount on Record |
| Deed Sale | Aug 25, 2014 · Amount on Record |
| Prior Sale | Apr 8, 2005 · Amount on Record |
| Deed Document Number | 20143399027 |
| Prior Transfer Date | Nov 22, 2006 |
| Prior Transfer Doc | 0002821027 |
| Record Updated | Oct 29, 2026 |
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $54,720 (+0.09%) Land $15,375 Building $39,345 | $874,700 (-) Land $296,100 Building $578,600 | |
| 2025 | $5,484.00 (+9.44%) | $54,669 (-6.9%) Land $18,506 Building $36,163 | $874,700 (-0.19%) Land $296,100 Building $578,600 |
| 2023 | $5,011.00 (+20.11%) | $58,718 (+37.55%) Land $17,902 Building $40,816 | $876,400 (+42.69%) Land $267,200 Building $609,200 |
| 2022 | $4,172.00 | $42,687 Land $13,601 Building $29,086 | $614,200 Land $195,700 Building $418,500 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 65% of the US · lower than 82% of Colorado |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | Direct burnable vegetation |
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 334 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 | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| CenturyLink DSL | 140 / 20 |
5G (outdoors only) and 4G LTE
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