Boulder County property record for 839 Mapleton Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 3.25 Baths |
| Year Built | Built 1960 |
| Square Footage | 1,652 sqft Living Area |
| Lot Size | 8,371 sqft (0.192 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $930,000 (2007) |
| Tax Bill | $11,748.00 (2025) |
| Primary APN | 1461-25-4-02-014 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 3.25 Baths |
| Partial Baths | 2 Partial Baths |
| Total Rooms | 7 Rooms |
| Building Area | 1,652 sqft Living Area |
| 1st Floor | 1,196 sqft 1st Floor |
| Upper Floors | 456 sqft Upper Floors |
| Stories | 2 Stories |
| Interior Structure | Plaster Interior Structure |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | A-Frame Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 8,371 sqft (0.192 acres) |
| Garage Area | 736 sqft Garage |
| Total Buildings | 3 Total Buildings |
| Porch | Porch |
| Porch Area | 158 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0001840 |
|---|---|
| Street Address | 839 MAPLETON AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3993 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOTS 21-22 BLK 2 MAPLETON |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | MAPLETON - BO |
| Legal Block | 2 |
| Legal Lot Number | 21 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 4 |
| Census Block | 4008 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-4-02-014
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 Individuals Owners |
|---|---|
| Mailing Address | 839 MAPLETON AVE, BOULDER, CO 80304-3993 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Feb 08, 2021 | Deed of Trust, Mortgage · Conventional Mortgage STRONG HOME MORTGAGE LLC |
| Jun 21, 2021 | Deed of Trust, Mortgage · Line of Credit BOKF NA |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20072846920 |
| Prior Transfer Date | Sep 25, 2002 |
| Prior Transfer Doc | 0002345071 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 839 MAPLETON AVE, BOULDER, CO 80304-3993 |
| Transaction Type | Mortgage |
| Record Updated | Jun 08, 2026 |
| Name | Verified Name |
|---|
| Document Number | 0003856704 |
|---|---|
| Date | Feb 08, 2021 |
| Instrument | 3856704 |
| Name | STRONG HOME MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | MANASSAS, VA 20110 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Feb 01, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 839 MAPLETON AVE, BOULDER, CO 80304-3993 |
| Transaction Type | Mortgage |
| Record Updated | Jun 08, 2026 |
| Name | Verified Name |
|---|
| Document Number | 0003893853 |
|---|---|
| Date | Jun 21, 2021 |
| Instrument | 3893853 |
| Name | BOKF NA |
|---|---|
| Type | Bank |
| Address | DENVER, CO 80202 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | Jun 08, 2041 |
| 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 | $140,862 (+8.8%) Land $122,366 Building $18,496 | $2,071,500 (-) Land $1,799,500 Building $272,000 | |
| 2025 | $11,748.00 (-1.59%) | $129,469 (-7.21%) Land $112,469 Building $17,000 | $2,071,500 (-0.53%) Land $1,799,500 Building $272,000 |
| 2024 | $11,938.00 (+1.76%) | ||
| 2023 | $11,731.00 (+14.3%) | $139,527 (+26.25%) Land $119,387 Building $20,140 | $2,082,500 (+30.96%) Land $1,781,900 Building $300,600 |
| 2022 | $10,263.00 | $110,518 Land $87,000 Building $23,518 | $1,590,200 Land $1,251,800 Building $338,400 |
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