Boulder County property record for 1631 6th St, Boulder, CO 80302
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,155 sqft · built 1946 |
| Lot Size | 0.137 acres (5,966 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $24,000 (Apr 1973) |
| Tax Bill | $6,687 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-36-1-02-022 |
| Primary APN | 1461-36-1-02-022 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,155 sqft Living Area |
| 1st Floor Area | 1,155 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1946 |
| Architectural Style | Ranch |
| Exterior Material | Combination |
| Construction Type | Frame |
| Lot Area | 5,966 sqft (0.137 acres) |
| Porch | Porch |
| Porch Area | 175 sqft |
| Patio Area | 227 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0002835 |
|---|---|
| Street Address | 1631 6TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80302-5812 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N 68 FT OF S 1/2 LOT 1 BLK B HIGHLAND LAWN |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 36 |
| Legal Subdivision | HIGHLAND LAWN - BO |
| Legal Block | B |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 12201 |
1631 6th St is owned by two individuals who acquired it in December 2013.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 559 MARINE ST, BOULDER, CO 80302-5832 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Apr 27, 1973 · Amount on File |
| Deed Sale | Apr 27, 1973 · Amount on File |
| Deed Document Number | 197363932 |
| Last Transfer Date | Dec 31, 2013 |
| Transfer Doc | 0003361682 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1631 6th St was $6,687.
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 | $70,625 (+1.93%) Land $63,087 Building $7,538 | $1,108,600 (-) Land $997,740 Building $110,860 | |
| 2025 | $6,687.00 | $69,288 Land $62,359 Building $6,929 | $1,108,600 Land $997,740 Building $110,860 |
| 2023 | $6,078.00 (+7.2%) | $73,204 (+21.5%) Land $65,720 Building $7,484 | $1,092,600 (+26.04%) Land $980,900 Building $111,700 |
| 2022 | $5,670.00 | $60,250 Land $54,225 Building $6,025 | $866,900 Land $780,210 Building $86,690 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1631 6th 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 26 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 41 units insured incl. 15 condo units |
| Nearby Flood Claims | 19 (1983–2014) |
| Claims Outside the SFHA | 7 of 19 |
| Most Recent Claim | Jul 2014 · rainfall accumulation |
| 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 1631 6th St is high, ranking above 77% of the US, with a 0.4% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 77% of the US · above 77% of Colorado |
|---|---|
| Wildfire Likelihood | 0.4% 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 331 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 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: CenturyLink, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures