Boulder County property record for 2311 Walnut St, Apt 3, Boulder, CO 80302
| Property Type | Condominium |
|---|---|
| Details | 4 bd · 2 ba · 1,281 sqft · built 1951 |
| Lot Size | 0.161 acres (7,001 sqft) |
| Owner | Company Name on Record |
| Last Sale | $410,000 (Nov 2012) |
| Tax Bill | $4,836 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1463-30-4-80-003 |
| Primary APN | 1463-30-4-80-003 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Units | 8 Units |
| Building Area | 1,281 sqft Living Area |
| Gross Area | 1,461 sqft |
| 1st Floor Area | 427 sqft |
| Upper Floors Area | 427 sqft |
| Basement Area | 427 sqft |
| Finished Basement | 427 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 2006 |
| Architectural Style | Condo/Apartment |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 7,001 sqft (0.161 acres) |
| Garage Type | Attached |
| Garage Area | 180 sqft |
| Patio Area | 70 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0511296 |
|---|---|
| Street Address | 2311 WALNUT ST, 3 |
| City | BOULDER |
| State | CO |
| Zip | 80302-4696 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | UNIT 3 WALNUT STREET CONDOS |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 30 |
| Legal Subdivision | WALNUT STREET CONDOS |
| Legal Block | 2 |
| Legal Lot Number | 3 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 12205 |
Source: Boulder County records, as of September 18, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 62 PIMA CT, BOULDER, CO 80303-3970 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 16, 2012 · Amount on Record |
| Deed Sale | Nov 16, 2012 · Amount on Record |
| Prior Sale | May 9, 2007 · Amount on Record |
| Deed Document Number | 20123268036 |
| Last Transfer Date | May 17, 2013 |
| Transfer Doc | 0003312817 |
| Record Updated | Oct 29, 2026 |
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 | $49,504 (-0.74%) Building $49,504 | $798,000 (-) Building $798,000 | |
| 2025 | $4,836.00 (+2.03%) | $49,875 (-13.57%) Building $49,875 | $798,000 (-7.35%) Building $798,000 |
| 2023 | $4,740.00 (-4.28%) | $57,704 (+9.85%) Building $57,704 | $861,261 (+13.95%) Building $861,261 |
| 2022 | $4,952.00 | $52,528 Building $52,528 | $755,800 Building $755,800 |
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 · 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 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 31 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 64 units insured incl. 33 condo units |
| Nearby Flood Claims | 6 (2013) |
| Claims Outside the SFHA | 2 of 6 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
| 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 | Not rated no burnable land within ember reach |
|---|
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 663 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 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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