Boulder County property record for 1438 Mariposa Ave, Boulder, CO 80302
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2.75 ba · 2,696 sqft · built 1952 |
| Lot Size | 0.277 acres (12,050 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,026,000 (Sep 2014) |
| Tax Bill | $11,322 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-06-2-29-002 |
| Primary APN | 1577-06-2-29-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 2,696 sqft Living Area |
| Gross Area | 3,316 sqft |
| 1st Floor Area | 2,137 sqft |
| Basement Area | 699 sqft |
| Finished Basement | 559 sqft |
| Unfinished Basement | 140 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1965 |
| Architectural Style | Ranch |
| Exterior Material | Combination |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 12,050 sqft (0.277 acres) |
| Garage Type | Attached |
| Garage Area | 480 sqft |
| Parking Spaces | 2 Parking Spaces |
| Patio Area | 156 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0002905 |
|---|---|
| Street Address | 1438 MARIPOSA AVE |
| City | BOULDER |
| State | CO |
| Zip | 80302-7844 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 2 BLK 2 BELLEVUE PARK REPLAT |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 06 |
| Legal Subdivision | BELLEVUE PARK REPLAT - BO |
| Legal Block | 2 |
| Legal Lot Number | 2 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 12505 |
Source: Boulder County assessment roll, as of June 15, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1438 MARIPOSA AVE, BOULDER, CO 80302-7844 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Borrower in Default |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 29, 2014 · Amount on Record |
| Deed Sale | Sep 29, 2014 · Amount on Record |
| Prior Sale | Oct 12, 1984 · Amount on Record |
| Deed Document Number | 20143404986 |
| Last Transfer Date | Nov 21, 2014 |
| Transfer Doc | 0003416038 |
| Record Updated | Sep 20, 2026 |
Source: Boulder County assessment roll, as of June 15, 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 | $129,200 (+8.8%) Land $114,811 Building $14,389 | $1,900,000 (-) Land $1,688,400 Building $211,600 | |
| 2025 | $11,322.00 (+6.64%) | $118,750 (-6.22%) Land $105,525 Building $13,225 | $1,900,000 (+0.53%) Land $1,688,400 Building $211,600 |
| 2023 | $10,617.00 (+6.31%) | $126,630 (+17.74%) Land $113,123 Building $13,507 | $1,890,000 (+22.13%) Land $1,688,400 Building $201,600 |
| 2022 | $9,987.00 | $107,551 Land $96,414 Building $11,137 | $1,547,500 Land $1,387,250 Building $160,250 |
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.
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 |
|---|---|
| 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 34 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 34 in force |
| Nearby Flood Claims | 17 (1980–2015) |
| Claims Outside the SFHA | 7 of 17 |
| Most Recent Claim | May 2015 · Severe Storms, Tornadoes, 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 74% of the US · above 72% of Colorado |
|---|---|
| Wildfire Likelihood | 0.4% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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 480 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Fixed Wireless | 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 | 250 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: Magnolia Road Internet Cooperative.
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