Boulder County property record for 2012 Mapleton Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 3.75 Baths |
| Year Built | Built 2010 |
| Square Footage | 4,126 sqft Living Area |
| Lot Size | 6,848 sqft (0.157 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $835,000 (2011) |
| Tax Bill | $16,557.00 (2025) |
| Primary APN | 1463-30-5-10-007 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.75 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 10 Rooms |
| Building Area | 4,126 sqft Living Area |
| Gross Area | 4,205 sqft Gross Area |
| 1st Floor | 2,311 sqft 1st Floor |
| Upper Floors | 1,220 sqft Upper Floors |
| Basement Area | 674 sqft Basement |
| Finished Basement | 595 sqft Finished |
| Unfinished Basement | 79 sqft Unfinished |
| Stories | 1 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 2010 |
| Architectural Style | A-Frame Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 6,848 sqft (0.157 acres) |
| Total Buildings | 3 Total Buildings |
|---|---|
| Shed | 1 Shed |
| Patio Area | 391 sqft Patio |
| Porch | Porch |
| Porch Area | 163 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0001506 |
|---|---|
| Street Address | 2012 MAPLETON AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-4269 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 6 BLK 141 BOULDER EAST O T |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 30 |
| Legal Subdivision | BOULDER O T EAST & WEST & NORTH - BO |
| Legal Block | 141 |
| Legal Lot Number | 6 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 1 |
| Census Block | 1004 |
| Census Tract | 12205 |
Source: Boulder County records · APN 1463-30-5-10-007
Assessment roll updated June 15, 2026 · Last verified June 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 2012 MAPLETON AVE, BOULDER, CO 80304-4269 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Jul 01, 2020 | Deed of Trust, Mortgage · Conventional Mortgage US BANK NA |
| Dec 12, 2018 | Deed of Trust, Mortgage · Commercial Mortgage GREAT WESTERN BANK |
| Jun 04, 2020 | Deed of Trust, Mortgage · Line of Credit US BANK NA |
| Sep 29, 2020 | Deed of Trust, Mortgage · Line of Credit US BANK NA |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20113125101 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 2012 MAPLETON AVE, BOULDER, CO 80304-4269 |
| Transaction Type | Mortgage |
| Record Updated | Feb 07, 2021 |
| Title Company | CANYON TITLE |
| Name | Verified Name |
|---|
| Document Number | 0003795231 |
|---|---|
| Date | Jul 01, 2020 |
| Instrument | 3795231 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | OWENSBORO, KY 42301 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 01, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.87% |
| Adjustable | Document includes a rider for adjustable-rate mortgage with a specific rate change date. |
| Type Change Date | Jul 01, 2030 |
| Change Frequency | Annually |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 7.87% |
| Index | 1-Year CMT |
| Max Rate | 7.87% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 2012 MAPLETON AVE, BOULDER, CO 80304-4269 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0003689638 |
|---|---|
| Date | Dec 12, 2018 |
| Instrument | 3689638 |
| Name | GREAT WESTERN BANK |
|---|---|
| Type | Bank |
| Address | BOULDER, CO 80302 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 2012 MAPLETON AVE, BOULDER, CO 80304-4269 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0003788789 |
|---|---|
| Date | Jun 04, 2020 |
| Instrument | 3788789 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | DENVER, CO 80202 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 01, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 2012 MAPLETON AVE, BOULDER, CO 80304-4269 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0003819298 |
|---|---|
| Date | Sep 29, 2020 |
| Instrument | 3819298 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | DENVER, CO 80202 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Sep 01, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 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, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $188,932 (+8.8%) Land $72,216 Building $116,716 | $2,778,400 (-) Land $1,062,000 Building $1,716,400 | |
| 2025 | $16,557.00 (+7.5%) | $173,650 (-4.61%) Land $66,375 Building $107,275 | $2,778,400 (+2.26%) Land $1,062,000 Building $1,716,400 |
| 2023 | $15,402.00 (+17.44%) | $182,039 (+28.89%) Land $69,901 Building $112,138 | $2,717,000 (+33.7%) Land $1,043,300 Building $1,673,700 |
| 2022 | $13,115.00 | $141,238 Land $54,551 Building $86,687 | $2,032,190 Land $784,900 Building $1,247,290 |
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