Boulder County property record for 1803 Mapleton Ave, Boulder, CO 80304 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1990 |
| Square Footage | 2,396 sqft Living Area |
| Lot Size | 5,018 sqft (0.115 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $732,400 (2010) |
| Tax Bill | $11,682.00 (2025) |
| Primary APN | 1463-30-2-49-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Building Area | 2,396 sqft Living Area |
| 1st Floor | 1,410 sqft 1st Floor |
| Upper Floors | 986 sqft Upper Floors |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1990 |
| Exterior Material | Combination Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 5,018 sqft (0.115 acres) |
| Garage Type | Carport Garage |
| Garage Area | 198 sqft Garage |
| Carport | Carport |
| Carport Area | 198 sqft Carport |
| Patio Area | 279 sqft Patio |
| Porch | Porch |
| Porch Area | 304 sqft Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Heat Pump Heating |
| Account Number | R0002565 |
|---|---|
| Street Address | 1803 MAPLETON AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-4265 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 2 WINKLE HOUSE PUD SPLIT SEE ID 105429 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 30 |
| Legal Subdivision | WINKLE HOUSE PUD - BO |
| Legal Block | 1 |
| Legal Lot Number | 2 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 1 |
| Census Block | 1013 |
| Census Tract | 12106 |
Source: Boulder County records · APN 1463-30-2-49-002
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 | 2 Individuals Owners |
|---|---|
| Mailing Address | 1803 MAPLETON AVE, BOULDER, CO 80304-4265 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Jun 28, 2021 | Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA |
| Feb 08, 2018 | Deed of Trust, Mortgage · Line of Credit WELLS FARGO BANK NA |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20103082951 |
| Prior Transfer Date | Nov 13, 2003 |
| Prior Transfer Doc | 0002528998 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 1803 MAPLETON AVE, BOULDER, CO 80304-4265 |
| Transaction Type | Mortgage |
| Record Updated | Jul 07, 2021 |
| Title Company | LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO |
| Name | Verified Name |
|---|
| Document Number | 0003895707 |
|---|---|
| Date | Jun 28, 2021 |
| Instrument | 3895707 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 01, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 1803 MAPLETON AVE, BOULDER, CO 80304-4265 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | SERVICELINK |
| Name | Verified Name |
|---|
| Document Number | 0003639923 |
|---|---|
| Date | Feb 08, 2018 |
| Instrument | 3639923 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 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, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $133,301 (+8.8%) Land $61,819 Building $71,482 | $1,960,300 (-) Land $909,100 Building $1,051,200 | |
| 2025 | $11,682.00 (+1.63%) | $122,519 (-10.44%) Land $56,819 Building $65,700 | $1,960,300 (-3.99%) Land $909,100 Building $1,051,200 |
| 2023 | $11,495.00 (+19.61%) | $136,794 (+32.18%) Land $59,838 Building $76,956 | $2,041,700 (+37.11%) Land $893,100 Building $1,148,600 |
| 2022 | $9,610.00 | $103,492 Land $46,697 Building $56,795 | $1,489,100 Land $671,900 Building $817,200 |
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