Boulder County property record for 2260 Mariposa Ave, Boulder, CO 80302
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 3,290 sqft · built 1958 |
| Lot Size | 0.193 acres (8,401 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $450,000 (Dec 2003) |
| Tax Bill | $8,195 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1577-06-1-03-009 |
| Primary APN | 1577-06-1-03-009 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 3,290 sqft Living Area |
| 1st Floor Area | 1,610 sqft |
| Basement Area | 1,680 sqft |
| Finished Basement | 1,680 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Frame |
| Roof Material | Built-Up Asphalt |
| Lot Area | 8,401 sqft (0.193 acres) |
| Garage Type | Carport |
| Garage Area | 330 sqft |
| Carport | Carport |
| Carport Area | 330 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Porch Area | 70 sqft |
| Patio Area | 264 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0001240 |
|---|---|
| Street Address | 2260 MARIPOSA AVE |
| City | BOULDER |
| State | CO |
| Zip | 80302-7939 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 10 OAK PARK |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 06 |
| Legal Subdivision | OAK PARK & SOUTH OAK PARK - BO |
| Legal Block | 1 |
| Legal Lot Number | 10 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 12505 |
2260 Mariposa Ave is owned and occupied by two individuals who bought it in December 2003.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 2260 MARIPOSA AVE, BOULDER, CO 80302-7939 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Dec 22, 2003 · Amount on File |
| Deed Sale | Dec 22, 2003 · Amount on File |
| Prior Sale | Aug 26, 1993 · Amount on File |
| Deed Document Number | 20032541277 |
| Prior Transfer Date | Oct 16, 1996 |
| Prior Transfer Doc | 0001652754 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 2260 Mariposa Ave was $8,195, up 12.5% from the year before.
Source: Boulder County assessment roll, as of September 18, 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 | $95,560 (+3.64%) Land $64,736 Building $30,824 | $1,475,300 (-) Land $1,022,000 Building $453,300 | |
| 2025 | $8,195.00 (+12.46%) | $92,206 Land $63,875 Building $28,331 | $1,475,300 Land $1,022,000 Building $453,300 |
| 2024 | $7,287.00 (+1.77%) | ||
| 2023 | $7,160.00 (-3.79%) | $93,304 (+16.43%) Land $64,092 Building $29,212 | $1,392,600 (+20.77%) Land $956,600 Building $436,000 |
| 2022 | $7,442.00 | $80,140 Land $52,771 Building $27,369 | $1,153,100 Land $759,300 Building $393,800 |
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.
FEMA maps place 2260 Mariposa Ave in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 15 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 15 in force |
| Nearby Flood Claims | 12 (1994–2013) |
| Claims Outside the SFHA | 4 of 12 |
| 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 2260 Mariposa Ave is low, with a 0.05% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 62% of the US · lower than 78% of Colorado |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | None beyond 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 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 481 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Magnolia Road Internet Cooperative.
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