Pitkin County property record for 520 S Riverside Ave, #A, Aspen, CO 81611
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 3 ba · 2,393 sqft · built 1987 |
| Lot Size | 0.054 acres (2,393 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $12,646 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R012697 |
| Primary APN | R012697 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 2,393 sqft Total Area |
| Gross Area | 3,838 sqft |
| 1st Floor Area | 1,491 sqft |
| 2nd Floor Area | 1,628 sqft |
| Basement Area | 902 sqft |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Split Level |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Type | Flat |
| Roof Material | Built-Up Asphalt |
| Lot Area | 2,393 sqft (0.054 acres) |
| Garage Area | 568 sqft |
| Pool Type | Spa / Hot Tub (No Pool) |
|---|---|
| Porch | Porch |
| Porch Area | 78 sqft |
| Patio Area | 1,562 sqft |
| Sauna | Sauna |
| Cooling System | HVAC |
|---|---|
| Heating System | Baseboard |
| Heating Fuel | Electric |
| Account Number | R012697 |
|---|---|
| Old Parcel Number | 273718116001 |
| Street Address | 520 S RIVERSIDE AVE # A, A |
| City | ASPEN |
| State | CO |
| Zip | 81611-2229 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | SUBDIVISION: SEMPER FI UNIT: A |
| Legal Range | 84W |
| Legal Township | 10S |
| Legal Section | 18 |
| Legal Quarter | NE |
| Legal Subdivision | SEMPER FI |
| Jurisdiction | PITKIN CO |
| Township / Civil Division | ASPEN |
| Census Block Group | 2 |
| Census Block | 2074 |
| Census Tract | 402 |
Source: Pitkin County records, as of February 16, 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 | Individual Name on Record |
|---|---|
| Co-owner | Co-owner on Record |
| Mailing Address | 520 S RIVERSIDE AVE # A, A, ASPEN, CO 81611-2229 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Prior Sale | Sep 7, 2001 · Amount on Record |
| Last Transfer Date | Jan 12, 2015 |
| Transfer Doc | 0000616642 |
| Record Updated | Jun 8, 2026 |
Source: Pitkin County assessment roll, as of August 25, 2025
| Type | Name |
|---|---|
| State | Colorado |
| Municipality | Aspen City |
| County | Pitkin County |
| Unified School District | Aspen School District 1 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $12,646.00 (+11.26%) | $339,170 (-10.91%) Building $339,170 | $5,426,700 (-3.56%) Building $5,426,700 |
| 2023 | $11,366.00 (+68.89%) | $380,690 (+109.44%) Building $380,690 | $5,627,300 (+115.16%) Building $5,627,300 |
| 2022 | $6,730.00 | $181,770 Building $181,770 | $2,615,400 Building $2,615,400 |
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 September 3, 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 Record median of 17 individual policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 63 units insured incl. 46 condo units |
| Nearby Flood Claims | 3 (1984–2025) |
| Claims Outside the SFHA | 1 of 3 |
| Most Recent Claim | Feb 2025 · rainfall accumulation |
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 | Low lower than 66% of the US · lower than 83% of Colorado |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Indirect 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 ASPEN serves 31,100 people · EPA ID CO0149122 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2024 |
| Lead | 1 ppb (2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 4 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 556 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Kellin Communications Fixed Wireless | 100 / 50 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Pathfinder.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures