Boulder County property record for 2311 Walnut St, Apt 4, Boulder, CO 80302
| Property Type | Condominium |
|---|---|
| Details | 4 bd · 3 ba · 1,364 sqft · built 1951 |
| Lot Size | 0.161 acres (7,001 sqft) |
| Owner | Company Name on File |
| Last Sale | $420,000 (Jun 2011) |
| Tax Bill | $6,032 (2025) |
| Deeds & Mortgages | Jul 2017 Transfer |
| Flood Zone | Zone X (moderate risk) |
| APN | 1463-30-4-80-004 |
| Primary APN | 1463-30-4-80-004 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 7 Rooms |
| Units | 8 Units |
| Building Area | 1,364 sqft Living Area |
| 1st Floor Area | 645 sqft |
| Upper Floors Area | 719 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) |
| Deck Area | 113 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0511297 |
|---|---|
| Street Address | 2311 WALNUT ST, 4 |
| City | BOULDER |
| State | CO |
| Zip | 80302-4696 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | UNIT 4 WALNUT STREET CONDOS |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 30 |
| Legal Subdivision | WALNUT STREET CONDOS |
| Legal Block | 2 |
| Legal Lot Number | 4 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 12205 |
2311 Walnut St, Apt 4 is owned by a company that acquired it in July 2017.
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 File |
|---|---|
| Mailing Address | 1029 BEREA DR, BOULDER, CO 80305-6534 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 2, 2011 · Amount on File |
| Deed Sale | Jun 2, 2011 · Amount on File |
| Prior Sale | May 31, 2011 · Amount on File |
| Deed Document Number | 20113151698 |
| Last Transfer Date | Jul 17, 2017 |
| Transfer Doc | 0003603980 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jul 18, 2017 |
| Property Address | 2311 WALNUT ST APT 4, 4, BOULDER, CO 80302-4696 |
| Document Number | 0003603980 |
| Instrument Date | Jul 17, 2017 |
| Instrument | 3603980 |
| Transaction Type | Transfer |
| Record Updated | Jul 25, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 1029 BEREA DR BOULDER CO 803056534, BOULDER, CO 80305-6534 |
The 2025 property tax bill for 2311 Walnut St, Apt 4 was $6,032, up 10.8% from the year before.
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 | $63,152 (+1.17%) Building $63,152 | $998,700 (-) Building $998,700 | |
| 2025 | $6,032.00 (+10.78%) | $62,419 Building $62,419 | $998,700 Building $998,700 |
| 2024 | $5,445.00 (+1.81%) | ||
| 2023 | $5,348.00 (-0.07%) | $64,744 (+13.93%) Building $64,744 | $966,331 (+18.18%) Building $966,331 |
| 2022 | $5,352.00 | $56,830 Building $56,830 | $817,700 Building $817,700 |
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.
FEMA maps place 2311 Walnut St, Apt 4 in Zone X, an area of moderate 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 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 File 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.
The area around 2311 Walnut St, Apt 4 has no burnable land within ember reach, so its wildfire risk is not rated.
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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