Boulder County property record for 1575 Mariposa Ave, Boulder, CO 80302
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3.75 ba · 3,585 sqft · built 2016 |
| Lot Size | 0.272 acres (11,825 sqft) |
| Owner | Company Name on File |
| Last Sale | $3,265,000 (Jan 2023) |
| Tax Bill | $18,201 (2025) |
| Deeds & Mortgages | Jan 2023 Sale Jul 2020 Sale |
| Flood Zone | Zone X (moderate risk) |
| APN | 1577-06-2-05-007 |
| Primary APN | 1577-06-2-05-007 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3.75 Baths |
| Half Baths | 4 Half Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 3,585 sqft Living Area |
| Gross Area | 4,651 sqft |
| 1st Floor Area | 2,246 sqft |
| Upper Floors Area | 102 sqft |
| Basement Area | 332 sqft |
| Finished Basement | 332 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2016 |
|---|---|
| Effective Year Built | Effective 2016 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Other |
| Lot Area | 11,825 sqft (0.272 acres) |
| Garage Type | Attached |
| Garage Area | 986 sqft |
| Parking Spaces | 4 Parking Spaces |
| Porch | Enclosed Porch |
|---|---|
| Porch Area | 617 sqft |
| Deck Area | 77 sqft |
| Patio Area | 126 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0006092 |
|---|---|
| Street Address | 1575 MARIPOSA AVE |
| City | BOULDER |
| State | CO |
| Zip | 80302-7944 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOTS 11-12 & ALLEY ADJ BLK 8 FLORAL PARK |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 06 |
| Legal Subdivision | FLORAL PARK & WEIHOFEN RESUB - BO |
| Legal Block | 8 |
| Legal Lot Number | 11 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 12505 |
1575 Mariposa Ave is owned by a company that bought it in January 2023.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1575 MARIPOSA AVE, BOULDER, CO 80302-7944 |
| Owner Type | Company |
| Vesting | Life Tenant |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Jan 3, 2023 | Special Warranty Deed, Transfer FIRST AMERICAN |
| Jul 14, 2020 | Warranty Deed, Transfer LAND TITLE GUARANTEE |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 3, 2023 · Amount on File |
| Deed Sale | Jan 3, 2023 · Amount on File |
| Prior Sale | Jul 14, 2020 · Amount on File |
| Deed Document Number | 20233993589 |
| Prior Transfer Date | Sep 5, 2012 |
| Prior Transfer Doc | 0003249447 |
| Record Updated | Oct 29, 2026 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jan 3, 2023 |
| Property Address | 1575 MARIPOSA AVE, BOULDER, CO 80302-7944 |
| Document Number | 0003993589 |
| Map Reference | MB 1319 PG 483 |
| Instrument Date | Dec 28, 2022 |
| Instrument | 3993589 |
| Transaction Type | Transfer |
| Record Updated | Jan 11, 2023 |
| Title Company | FIRST AMERICAN |
| Amount | Amount on Record |
|---|---|
| Tax | $326.50 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 1575 MARIPOSA AVE, BOULDER, CO 80302-7944 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jul 14, 2020 |
| Property Address | 1575 MARIPOSA AVE, BOULDER, CO 80302-7944 |
| Document Number | 0003797863 |
| Instrument Date | Jul 10, 2020 |
| Instrument | 3797863 |
| Transaction Type | Transfer |
| Record Updated | Oct 20, 2020 |
| Title Company | LAND TITLE GUARANTEE |
| Amount | Amount on Record |
|---|---|
| Tax | $265.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 517 15TH ST BOULDER CO 803027812, BOULDER, CO 80302-7812 |
The 2025 property tax bill for 1575 Mariposa Ave was $18,201.
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 | $202,926 (+6.31%) Land $75,188 Building $127,738 | $3,054,200 (-) Land $1,175,700 Building $1,878,500 | |
| 2025 | $18,201.00 | $190,887 Land $73,481 Building $117,406 | $3,054,200 Land $1,175,700 Building $1,878,500 |
| 2023 | $15,853.00 (+1.54%) | $187,266 (+11.38%) Land $74,404 Building $112,862 | $2,795,000 (+15.53%) Land $1,110,500 Building $1,684,500 |
| 2022 | $15,613.00 | $168,135 Land $60,945 Building $107,190 | $2,419,200 Land $876,900 Building $1,542,300 |
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 1575 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 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.
Wildfire risk around 1575 Mariposa Ave is moderate, ranking above 67% of the US, with a 0.3% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 67% of the US · above 60% of Colorado |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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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