Boulder County property record for 2125 Mariposa Ave, Boulder, CO 80302
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1.75 ba · 2,224 sqft · built 1937 |
| Lot Size | 0.153 acres (6,682 sqft) |
| Owner | Individual Name on File |
| Last Sale | $158,000 (Nov 1996) |
| Tax Bill | $8,498 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1577-06-1-07-007 |
| Primary APN | 1577-06-1-07-007 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,224 sqft Living Area |
| 1st Floor Area | 1,324 sqft |
| Upper Floors Area | 900 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1937 |
|---|---|
| Effective Year Built | Effective 1987 |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 6,682 sqft (0.153 acres) |
| Garage Type | Detached |
| Garage Area | 916 sqft |
| Parking Spaces | 4 Parking Spaces |
| Porch | Porch |
| Porch Area | 342 sqft |
| Deck Area | 165 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0006122 |
|---|---|
| Street Address | 2125 MARIPOSA AVE |
| City | BOULDER |
| State | CO |
| Zip | 80302-7936 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 8 BLK 5 INTERURBAN PARK |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 06 |
| Legal Subdivision | INTERURBAN PARK - BO |
| Legal Block | 5 |
| Legal Lot Number | 8 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1014 |
| Census Tract | 12505 |
2125 Mariposa Ave is owned and occupied by an individual who acquired it in July 1997.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 2125 MARIPOSA AVE, BOULDER, CO 80302-7936 |
| 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 |
|---|---|
| Last Sale | Nov 6, 1996 · Amount on File |
| Deed Sale | Nov 6, 1996 · Amount on File |
| Deed Document Number | 19961656225 |
| Last Transfer Date | Jul 2, 1997 |
| Transfer Doc | 0001713147 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 2125 Mariposa Ave was $8,498.
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 | $99,008 (+3.81%) Land $56,916 Building $42,092 | $1,526,000 (-) Land $837,000 Building $689,000 | |
| 2025 | $8,498.00 | $95,376 Land $52,313 Building $43,063 | $1,526,000 Land $837,000 Building $689,000 |
| 2023 | $7,540.00 (-0.58%) | $97,706 (+10.25%) Land $58,042 Building $39,664 | $1,458,300 (+14.37%) Land $866,300 Building $592,000 |
| 2022 | $7,584.00 | $88,620 Land $47,559 Building $41,061 | $1,275,100 Land $684,300 Building $590,800 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 2125 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 2125 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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