Boulder County property record for 1100 6th St, Boulder, CO 80302
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1.75 ba · 1,720 sqft · built 1948 |
| Lot Size | 0.185 acres (8,068 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $6,995 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1461-36-1-34-004 |
| Primary APN | 1461-36-1-34-004 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,720 sqft Living Area |
| Gross Area | 2,152 sqft |
| 1st Floor Area | 1,076 sqft |
| Basement Area | 644 sqft |
| Finished Basement | 644 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Architectural Style | Ranch |
| Exterior Material | Combination |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 8,068 sqft (0.185 acres) |
| Garage Type | Attached |
| Garage Area | 432 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 112 sqft |
| Deck Area | 372 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0007687 |
|---|---|
| Street Address | 1100 6TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80302-6902 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOTS 10-11 LESS N 60 FT & LESS 10 FT ALLEY BLK 1 VERMONT |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 36 |
| Legal Subdivision | VERMONT - BO |
| Legal Block | 1 |
| Legal Lot Number | 10 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3015 |
| Census Tract | 12201 |
1100 6th St is owned and occupied by an individual who acquired it in November 1992.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1100 6TH ST, BOULDER, CO 80302-6902 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Nov 18, 1992 |
| Deed Sale | Nov 18, 1992 |
| Deed Document Number | 19921240624 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1100 6th St was $6,995.
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 | $81,865 (+2.82%) Land $73,202 Building $8,663 | $1,273,900 (-) Land $1,146,510 Building $127,390 | |
| 2025 | $6,995.00 | $79,619 Land $71,657 Building $7,962 | $1,273,900 Land $1,146,510 Building $127,390 |
| 2023 | $6,356.00 (+9.7%) | $83,992 (+21.12%) Land $73,640 Building $10,352 | $1,253,600 (+25.64%) Land $1,099,100 Building $154,500 |
| 2022 | $5,794.00 | $69,347 Land $61,890 Building $7,457 | $997,800 Land $890,500 Building $107,300 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1100 6th St in Zone X, an area of moderate flood risk, within 100 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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 34 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 34 in force |
| Nearby Flood Claims | 29 (1983–2025) |
| Claims Outside the SFHA | 10 of 29 |
| Most Recent Claim | Apr 2025 · other causes |
| 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 1100 6th St is moderate, ranking above 69% of the US, with a 0.3% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 69% of the US · above 63% of Colorado |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 550 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 · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Magnolia Road Internet Cooperative, Verizon.
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