Boulder County property record for 2230 Mariposa Ave, Boulder, CO 80302
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2.25 ba · 2,108 sqft · built 1957 |
| Lot Size | 0.191 acres (8,313 sqft) |
| Owner | Individual Name on File |
| Last Sale | $254,000 (Apr 1996) |
| Tax Bill | $7,658 (2025) |
| Deeds & Mortgages | Feb 2021 Mortgage Jun 2017 Line of Credit |
| Flood Zone | Zone X (moderate risk) |
| APN | 1577-06-1-03-007 |
| Primary APN | 1577-06-1-03-007 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.25 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,108 sqft Living Area |
| Gross Area | 2,580 sqft |
| 1st Floor Area | 2,108 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 2006 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 8,313 sqft (0.191 acres) |
| Garage Type | Attached |
| Garage Area | 472 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 208 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0005127 |
|---|---|
| Street Address | 2230 MARIPOSA AVE |
| City | BOULDER |
| State | CO |
| Zip | 80302-7939 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 7 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 | 7 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 12505 |
2230 Mariposa Ave is owned and occupied by an individual who bought it in April 1996.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 2230 MARIPOSA AVE, BOULDER, CO 80302-7939 |
| 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.
| Date | Document |
|---|---|
| Feb 8, 2021 | Deed of Trust, Mortgage · Conventional Mortgage DSW MORTGAGE INC |
| Jun 22, 2017 | Deed of Trust, Mortgage · Line of Credit COLORADO CU |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 4, 1996 · Amount on File |
| Deed Sale | Apr 4, 1996 · Amount on File |
| Prior Sale | Jan 30, 1974 · Amount on File |
| Deed Document Number | 19961596990 |
| Prior Transfer Date | Mar 23, 1995 |
| Prior Transfer Doc | 0001506740 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 2230 MARIPOSA AVE, BOULDER, CO 80302-7939 |
| Transaction Type | Mortgage |
| Record Updated | Feb 22, 2021 |
| Title Company | ASCENDANT TITLE CO |
| Name | Verified Name |
|---|
| Document Number | 0003857196 |
|---|---|
| Date | Feb 8, 2021 |
| Instrument | 3857196 |
| Name | DSW MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Address | BOULDER, CO 80302 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Mar 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 2230 MARIPOSA AVE, BOULDER, CO 80302-7939 |
| Document Number | 0003600234 |
| Instrument Date | Jun 22, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Jul 11, 2017 |
| Name | Verified Name |
|---|---|
| Address | 2230 MARIPOSA AVE BOULDER CO 803027939, BOULDER, CO 80302-7939 |
| Document Number | 0003600234 |
|---|---|
| Date | Jun 27, 2017 |
| Instrument | 3600234 |
| Name | COLORADO CU |
|---|---|
| Type | Credit Union |
| Address | DENVER, CO 80203 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 300 Months |
| Due | Jun 26, 2042 |
| Rate Type | Adjustable Rate |
|---|
The 2025 property tax bill for 2230 Mariposa Ave was $7,658.
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 | $117,008 (+35.16%) Land $62,275 Building $54,733 | $1,790,700 (+29.28%) Land $985,800 Building $804,900 | |
| 2025 | $7,658.00 | $86,569 Land $61,613 Building $24,956 | $1,385,100 Land $985,800 Building $399,300 |
| 2023 | $6,210.00 (+11.89%) | $82,303 (+23.36%) Land $62,384 Building $19,919 | $1,228,400 (+27.96%) Land $931,100 Building $297,300 |
| 2022 | $5,550.00 | $66,720 Land $51,103 Building $15,617 | $960,000 Land $735,300 Building $224,700 |
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 2230 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 2230 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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