Boulder County property record for 861 9th St, Boulder, CO 80302
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1.75 ba · 2,086 sqft · built 1909 |
| Lot Size | 0.164 acres (7,143 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $147,500 (Apr 1992) |
| Tax Bill | $10,736 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-36-4-17-005 |
| Primary APN | 1461-36-4-17-005 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,086 sqft Living Area |
| Gross Area | 3,833 sqft |
| 1st Floor Area | 1,046 sqft |
| Upper Floors Area | 1,040 sqft |
| Basement Area | 990 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1909 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Multi-Level |
| Exterior Material | Combination |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 7,143 sqft (0.164 acres) |
| Garage Type | Attached |
| Garage Area | 680 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Enclosed Porch |
| Porch Area | 337 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0008775 |
|---|---|
| Street Address | 861 9TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80302-7528 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOTS 9-10 & S 6 FT LOT 8 BLK 1 CHAUTAUQUA HEIGHTS |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 36 |
| Legal Subdivision | CHAUTAUQUA HEIGHTS - BO |
| Legal Block | 1 |
| Legal Lot Number | 9 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3024 |
| Census Tract | 12201 |
Source: Boulder County assessment roll, as of June 15, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 861 9TH ST, BOULDER, CO 80302-7528 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Apr 29, 1992 · Amount on Record |
| Deed Sale | Apr 29, 1992 · Amount on Record |
| Prior Sale | Feb 21, 1992 · Amount on Record |
| Deed Document Number | 19921180576 |
| Record Updated | Sep 20, 2026 |
Source: Boulder County assessment roll, as of June 15, 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 | $122,515 (+8.8%) Land $89,923 Building $32,592 | $1,801,700 (-) Land $1,322,400 Building $479,300 | |
| 2025 | $10,736.00 (+7.08%) | $112,606 (-5.99%) Land $82,650 Building $29,956 | $1,801,700 (+0.78%) Land $1,322,400 Building $479,300 |
| 2023 | $10,026.00 (+9.85%) | $119,783 (+21.86%) Land $85,157 Building $34,626 | $1,787,800 (+26.41%) Land $1,271,000 Building $516,800 |
| 2022 | $9,127.00 | $98,294 Land $72,155 Building $26,139 | $1,414,300 Land $1,038,200 Building $376,100 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 72% of the US · above 68% of Colorado |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Indirect within ember reach |
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 480 locations within half a mile, as of December 31, 2025
| 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 |
May also be available: Magnolia Road Internet Cooperative.
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