Boulder County property record for 381 Arroyo Chico, Boulder, CO 80302
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 2,218 sqft · built 1990 |
| Lot Size | 2.21 acres (96,473 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $4,960 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-21-0-01-010 |
| Primary APN | 1461-21-0-01-010 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,218 sqft Living Area |
| 1st Floor Area | 1,025 sqft |
| Upper Floors Area | 1,193 sqft |
| Year Built | Built 1990 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 96,473 sqft |
| Account Number | R0506270 |
|---|---|
| Street Address | 381 ARROYO CHICO |
| City | BOULDER |
| State | CO |
| Zip | 80302-8773 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | F |
| Legal Description | LOT 11 SIERRA ANTIGUA |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 21 |
| Legal Subdivision | SIERRA ANTIGUA - MT |
| Legal Block | 3 |
| Legal Lot Number | 11 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BALD MOUNTAIN |
| Census Block Group | 3 |
| Census Block | 3030 |
| Census Tract | 13704 |
381 Arroyo Chico is owned and occupied by an individual.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 381 ARROYO CHICO, BOULDER, CO 80302-8773 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 381 Arroyo Chico was $4,960.
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $53,632 (-0.07%) Land $7,630 Building $46,002 | $858,700 (-) Land $182,200 Building $676,500 | |
| 2025 | $4,960.00 | $53,669 Land $11,388 Building $42,281 | $858,700 Land $182,200 Building $676,500 |
| 2023 | $4,099.00 (+10.34%) | $53,258 (+22.9%) Land $11,102 Building $42,156 | $794,900 (+27.49%) Land $165,700 Building $629,200 |
| 2022 | $3,715.00 | $43,333 Land $9,264 Building $34,069 | $623,500 Land $133,300 Building $490,200 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 381 Arroyo Chico in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2013.
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 minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 8 in force |
| Nearby Flood Claims | 2 (2013) |
| 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.
Wildfire risk around 381 Arroyo Chico is very high, ranking above 94% of the US, with a 1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Very High above 94% of the US · above 97.8% of Colorado |
|---|---|
| Wildfire Likelihood | 1% annual chance |
| Exposure | Direct burnable vegetation |
Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 13 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| Visionary Broadband Fixed Wireless | 100 / 20 |
| CenturyLink DSL | 100 / 10 |
May also be available: Rise Broadband.
4G LTE (outdoors only), no 5G reported
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