Boulder County property record for 821 Mountain View Dr, Lyons, CO 80540 · Last verified June 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.25 ba · 3,432 sqft · built 1997 |
| Lot Size | 0.767 acres (33,403 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $525,000 (Aug 2013) |
| Tax Bill | $9,869 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1203-18-1-19-010 |
| Primary APN | 1203-18-1-19-010 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.25 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 3,432 sqft Living Area |
| Gross Area | 4,208 sqft |
| 1st Floor Area | 1,362 sqft |
| Upper Floors Area | 708 sqft |
| Basement Area | 1,362 sqft |
| Finished Basement | 1,362 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1997 |
|---|---|
| Effective Year Built | Effective 1997 |
| Architectural Style | A-Frame |
| Exterior Material | Combination |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 33,403 sqft (0.767 acres) |
| Garage Type | Attached |
| Garage Area | 624 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Enclosed Porch |
| Porch Area | 197 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0120155 |
|---|---|
| Street Address | 821 MOUNTAIN VIEW DR |
| City | LYONS |
| State | CO |
| Zip | 80540 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 10 MOUNTAINVIEW SUB |
| Legal Range | 70 |
| Legal Township | 3N |
| Legal Section | 18 |
| Legal Subdivision | MOUNTAINVIEW SUB - LY |
| Legal Block | 2 |
| Legal Lot Number | 10 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 2 |
| Census Block | 2031 |
| Census Tract | 13601 |
Source: Boulder County records · APN 1203-18-1-19-010
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 | PO BOX 1125, LYONS, CO 80540-1125 |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Aug 20, 2013 · Amount on Record |
| Deed Sale | Aug 20, 2013 · Amount on Record |
| Prior Sale | Nov 04, 2002 · Amount on Record |
| Deed Document Number | 20133336567 |
| Prior Transfer Date | May 23, 2003 |
| Prior Transfer Doc | 0002448338 |
| 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 | Lyons Town |
| Unified School District | St. Vrain Valley School District RE 1J (PK - 12) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $78,914 (+8.8%) Land $9,670 Building $69,244 | $1,160,500 (-) Land $142,200 Building $1,018,300 | |
| 2025 | $9,869.00 (+13.89%) | $72,532 (-6.47%) Land $8,888 Building $63,644 | $1,160,500 (+0.27%) Land $142,200 Building $1,018,300 |
| 2023 | $8,665.00 (+23.68%) | $77,546 (+36.45%) Land $8,261 Building $69,285 | $1,157,400 (+41.54%) Land $123,300 Building $1,034,100 |
| 2022 | $7,006.00 | $56,831 Land $7,555 Building $49,276 | $817,700 Land $108,700 Building $709,000 |
Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130136012, 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 | Minimal |
| 500-Year Floodplain | No |
| Flood Insurance Cost | Premium on Record median of 22 individual NFIP policies nearby |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 22 in force |
| Nearby Flood Claims | 56 (1980–2015) |
| Claims Outside the SFHA | 23 of 56 |
| Most Recent Claim | Jun 2015, rainfall accumulation, Severe Storms, Tornadoes, Flooding, Landslides, And Mudslides |
| Claims By Storm |
|
| Wildfire Risk | High above 78% of the US · above 78% of Colorado |
|---|---|
| Wildfire Likelihood | About 1 in 254 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 63 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) | Low Latency |
|---|---|---|---|
| Z3N | Cable | 1,000 / 100 | Yes |
| Verizon | Fixed Wireless | 300 / 20 | Yes |
| Z3N | Fixed Wireless (unlicensed) | 200 / 30 | No |
| T-Mobile USA | Fixed Wireless | 100 / 20 | Yes |
May also be available at this address: Z3N, JAB Wireless. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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