Boulder County property record for 1333 Mariposa Ave, Boulder, CO 80302 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1980 |
| Square Footage | 1,646 sqft Living Area |
| Lot Size | 14,764 sqft (0.339 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $22,500 (2023) |
| Tax Bill | $9,644.00 (2025) |
| Primary APN | 1577-06-2-28-005 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 7 Rooms |
| Building Area | 1,646 sqft Living Area |
| Gross Area | 1,970 sqft Gross Area |
| 1st Floor | 1,646 sqft 1st Floor |
| Stories | 1 Stories |
| Interior Structure | Plaster Interior Structure |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Ranch Style |
| Exterior Material | Brick Veneer Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Lot Area | 14,764 sqft (0.339 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 324 sqft Garage |
| Porch | Porch |
| Porch Area | 334 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0006464 |
|---|---|
| Street Address | 1333 MARIPOSA AVE |
| City | BOULDER |
| State | CO |
| Zip | 80302-7841 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 5 BLK 1 & 25 X 74.5 FT OUTLOT 3 BELLEVUE PARK REPLAT |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 06 |
| Legal Subdivision | BELLEVUE PARK REPLAT - BO |
| Legal Block | 1,25 |
| Legal Lot Number | 5 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 2 |
| Census Block | 2008 |
| Census Tract | 12505 |
Source: Boulder County records · APN 1577-06-2-28-005
Assessment roll updated June 15, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1333 MARIPOSA AVE, BOULDER, CO 80302-7841 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Jun 21, 2023 | Quit Claim Deed, Transfer Quitclaim Document |
| Oct 14, 2021 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Jan 25, 2021 | Deed of Trust, Mortgage · Line of Credit FIRSTBANK |
| Nov 16, 2020 | Deed of Trust, Mortgage · Conventional Mortgage CHERRY CREEK MORTGAGE CO INC |
| Mar 30, 2018 | Warranty Deed, Transfer FIRSTBANK/LPO |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 21, 2023 · Amount on Record |
| Deed Sale | Jun 21, 2023 · Amount on Record |
| Prior Sale | Mar 30, 2018 · Amount on Record |
| Deed Doc Number | 20234011653 |
| Prior Transfer Date | Nov 12, 2022 |
| Prior Transfer Doc | 0004011653 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jun 21, 2023 |
| Property Address | 1333 MARIPOSA AVE, BOULDER, CO 80302-7841 |
| Document Number | 0004011653 |
| Instrument Date | Nov 12, 2022 |
| Instrument | 4011653 |
| Transaction Type | Transfer |
| Record Updated | Jul 18, 2023 |
| Amount | Amount Recorded |
|---|---|
| Tax | $22.50 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1333 MARIPOSA AVE, BOULDER, CO 80302-7841 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 1333 MARIPOSA AVE, BOULDER, CO 80302-7841 |
| Transaction Type | Mortgage |
| Record Updated | Oct 29, 2021 |
| Title Company | ASCENDANT TITLE CO |
| Name | Verified Name |
|---|
| Document Number | 0003920785 |
|---|---|
| Date | Oct 14, 2021 |
| Instrument | 3920785 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 01, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 1333 MARIPOSA AVE, BOULDER, CO 80302-7841 |
| Transaction Type | Mortgage |
| Record Updated | Mar 10, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0003852806 |
|---|---|
| Date | Jan 25, 2021 |
| Instrument | 3852806 |
| Name | FIRSTBANK |
|---|---|
| Type | Bank |
| Address | DENVER, CO 80215 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 119 Months |
| Due | Dec 16, 2030 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4% |
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 1333 MARIPOSA AVE, BOULDER, CO 80302-7841 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | 8Z TITLE |
| Name | Verified Name |
|---|
| Document Number | 0003833514 |
|---|---|
| Date | Nov 16, 2020 |
| Instrument | 3833514 |
| Name | CHERRY CREEK MORTGAGE CO INC |
|---|---|
| Type | Mortgage Company |
| Address | ENGLEWOOD, CO 80111 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 01, 2050 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Mar 30, 2018 |
| Property Address | 1333 MARIPOSA AVE, BOULDER, CO 80302-7841 |
| Document Number | 0003648147 |
| Instrument Date | Mar 29, 2018 |
| Instrument | 3648147 |
| Transaction Type | Transfer |
| Record Updated | Apr 11, 2018 |
| Title Company | LAND TITLE GUARANTEE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $121.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenant/Joint Tenant w/ Right Of Survivorship |
| Address | 1333 MARIPOSA AVE BOULDER CO 803027841, BOULDER, CO 80302-7841 |
| Document Number | 3648148 |
|---|---|
| Date | Mar 30, 2018 |
| Instrument | 3648148 |
| Name | FIRSTBANK/LPO |
|---|---|
| Type | Bank |
| Address | LAKEWOOD, CO 80215 |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | Mar 29, 2048 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $110,051 (+8.8%) Land $99,046 Building $11,005 | $1,618,400 (-) Land $1,456,560 Building $161,840 | |
| 2025 | $9,644.00 (+9.24%) | $101,150 (-4.5%) Land $91,035 Building $10,115 | $1,618,400 (+2.38%) Land $1,456,560 Building $161,840 |
| 2023 | $8,828.00 (+9.9%) | $105,913 (+22.43%) Land $95,322 Building $10,591 | $1,580,800 (+27%) Land $1,422,720 Building $158,080 |
| 2022 | $8,033.00 | $86,507 Land $77,856 Building $8,651 | $1,244,700 Land $1,120,230 Building $124,470 |
1333 Mariposa Ave is in FEMA Zone X, outside the Special Flood Hazard Area, with direct wildfire exposure (High risk).
Source: FEMA National Flood Hazard Layer · Boulder County (08013C), updated October 14, 2026
| FEMA Flood Zone | Zone X moderate flood hazard · within the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | High 74th percentile of exposed land nationally · 72nd in Colorado |
|---|---|
| Wildfire Likelihood | High — about 1 in 271 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
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