Boulder County property record for 3140 6th St, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.75 ba · 2,300 sqft · built 1946 |
| Lot Size | 0.142 acres (6,174 sqft) |
| Owner | Company Name on File |
| Last Sale | $88,100 (Oct 1978) |
| Tax Bill | $7,308 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-24-4-19-007 |
| Primary APN | 1461-24-4-19-007 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 2,300 sqft Living Area |
| Gross Area | 2,540 sqft |
| 1st Floor Area | 1,396 sqft |
| Basement Area | 1,144 sqft |
| Finished Basement | 904 sqft |
| Unfinished Basement | 240 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1952 |
| Architectural Style | Ranch |
| Exterior Material | Combination |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 6,174 sqft (0.142 acres) |
| Garage Type | Carport |
| Garage Area | 440 sqft |
| Carport | Carport |
| Carport Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 240 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0004446 |
|---|---|
| Street Address | 3140 6TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80304-2508 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOTS 13 & 14 BLK 29 NEWLANDS |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 24 |
| Legal Subdivision | NEWLANDS - BO |
| Legal Block | 29 |
| Legal Lot Number | 13 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2024 |
| Census Tract | 12101 |
Source: Boulder County assessment roll, APN 1461-24-4-19-007, as of 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 | Company Name on File |
|---|---|
| Mailing Address | 3140 6TH ST, BOULDER, CO 80304-2508 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Oct 31, 1978 · Amount on Record |
| Deed Sale | Oct 31, 1978 · Amount on Record |
| Deed Document Number | 1978306995 |
| Last Transfer Date | Jul 15, 2025 |
| Transfer Doc | 0004095323 |
| Record Updated | Sep 20, 2026 |
Source: Boulder County assessment roll as of 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 | $90,196 (+8.8%) Land $81,176 Building $9,020 | $1,326,400 (-) Land $1,193,760 Building $132,640 | |
| 2025 | $7,308.00 (+1.83%) | $82,900 (-11.33%) Land $74,610 Building $8,290 | $1,326,400 (-4.94%) Land $1,193,760 Building $132,640 |
| 2023 | $7,177.00 (+23.1%) | $93,492 (+34.06%) Land $84,143 Building $9,349 | $1,395,400 (+39.07%) Land $1,255,860 Building $139,540 |
| 2022 | $5,830.00 | $69,737 Land $62,763 Building $6,974 | $1,003,400 Land $903,060 Building $100,340 |
Source: FEMA National Flood Hazard Layer, Boulder County (08013C), as of October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130121012, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 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 63 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 63 in force |
| Nearby Flood Claims | 25 (1990–2026) |
| Claims Outside the SFHA | 17 of 25 |
| Most Recent Claim | Jun 2026 · rainfall accumulation |
| Claims by Event |
|
| Wildfire Risk | Moderate above 55% of the US · lower than 60% of Colorado |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Indirect within ember reach |
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, 596 locations within half a mile, as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Fixed Wireless | 2,500 / 2,500 |
| Lumen Technologies Fiber | 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 |
| AT&T Fixed Wireless | 100 / 20 |
5G (outdoors only) and 4G LTE
Source: EPA Safe Drinking Water Information System, water system CO0107152, 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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