Boulder County property record for 1850 Folsom St, Apt 409, Boulder, CO 80302 · Last verified June 2026
| Property Type | Condominium |
|---|---|
| Details | 3 bd · 2 ba · 1,904 sqft · built 1971 |
| Lot Size | 0.001 acres (25 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $68,200 (Jun 1978) |
| Tax Bill | $5,442 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1463-29-3-05-034 |
| Primary APN | 1463-29-3-05-034 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Units | 61 Units |
| Stories | 1 Story |
| Building Area | 1,904 sqft Living Area |
| 1st Floor Area | 1,904 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | Condo/Apartment |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 25 sqft (0.001 acres) |
| Garage Type | Carport |
| Garage Area | 162 sqft |
| Carport | Carport |
| Carport Area | 162 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0076392 |
|---|---|
| Street Address | 1850 FOLSOM ST, 409 |
| City | BOULDER |
| State | CO |
| Zip | 80302-5717 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | UNIT 409 & UND .01247 INT GCE HORIZON WEST CONDOS AMENDED 2 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 29 |
| Legal Subdivision | HORIZON WEST CONDOS AMENDED 2 - BO |
| Legal Block | 2 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2013 |
| Census Tract | 12206 |
Source: Boulder County records · APN 1463-29-3-05-034
Assessment roll updated June 15, 2026 · Last verified June 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 | 2110 NELSON AVE, A, REDONDO BEACH, CA 90278-2408 |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 08, 1978 · Amount on Record |
| Deed Sale | Jun 08, 1978 · Amount on Record |
| Prior Sale | Jan 13, 1978 |
| Deed Document Number | 1978282649 |
| Last Transfer Date | Mar 03, 2009 |
| Transfer Doc | 0002983853 |
| Record Updated | Sep 20, 2026 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $61,186 (+8.8%) Building $61,186 | $899,800 (-) Building $899,800 | |
| 2025 | $5,442.00 (+13.33%) | $56,238 (-3.74%) Building $56,238 | $899,800 (+3.18%) Building $899,800 |
| 2023 | $4,802.00 (-16.73%) | $58,426 (-4.69%) Building $58,426 | $872,035 (-1.13%) Building $872,035 |
| 2022 | $5,767.00 | $61,299 Building $61,299 | $882,000 Building $882,000 |
Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130122062, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Moderate |
| 500-Year Floodplain | Yes |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Cost | Premium on Record median of 36 individual NFIP policies nearby |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 157 units insured 121 under condo master policies |
| Nearby Flood Claims | 1 (2013) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Sep 2013, river or lake flooding, Severe Storms, Flooding, Landslides, And Mudslides |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 663 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Ayva | Fixed Wireless (unlicensed) | 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 (licensed-by-rule) | 250 / 100 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: Lumen Technologies, AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
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