Boulder County property record for 1845 Mapleton Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 1.5 Baths |
| Year Built | Built 1980 |
| Square Footage | 2,084 sqft Living Area |
| Lot Size | 3,865 sqft (0.089 acres) |
| Occupancy | Owner Occupied |
| Tax Bill | $8,411.00 (2025) |
| Primary APN | 1463-30-5-07-006 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 5 Rooms |
| Building Area | 2,084 sqft Living Area |
| Gross Area | 2,156 sqft Gross Area |
| 1st Floor | 1,306 sqft 1st Floor |
| Upper Floors | 778 sqft Upper Floors |
| Stories | 2 Stories |
| Interior Structure | Plaster Interior Structure |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1980 |
| Exterior Material | Combination Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 3,865 sqft (0.089 acres) |
| Deck Area | 90 sqft Deck |
|---|---|
| Patio Area | 602 sqft Patio |
| Porch | Enclosed Porch |
| Porch Area | 72 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0001441 |
|---|---|
| Street Address | 1845 MAPLETON AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-4265 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | S 64.81 FT OF LOT 12 & N 10 FT VAC MAPLETON ST BLK 179 BOULDER EAST O T SPLIT SEE ALSO ID 90380 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 30 |
| Legal Subdivision | BOULDER O T EAST & WEST & NORTH - BO |
| Legal Block | 179 |
| Legal Lot Number | 12 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 1 |
| Census Block | 1013 |
| Census Tract | 12106 |
Source: Boulder County records · APN 1463-30-5-07-006
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 | 1845 MAPLETON AVE, BOULDER, CO 80304-4265 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Jul 26, 2021 | Quit Claim Deed, Transfer · Conventional Mortgage JPMORGAN CHASE BANK NA |
| Nov 03, 2017 | Deed of Trust, Mortgage · Commercial Mortgage JPMORGAN CHASE BANK NA |
| Sep 26, 2017 | Deed of Trust, Mortgage · Adjustable Rate Mortgage (ARM) JPMORGAN CHASE BANK NA |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 1983550778 |
| Last Transfer Date | Jun 08, 2021 |
| Transfer Doc | 0003902300 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jul 26, 2021 |
| Property Address | 1845 MAPLETON AVE, BOULDER, CO 80304-4265 |
| Document Number | 0003902300 |
| Instrument Date | Jun 08, 2021 |
| Instrument | 3902300 |
| Transaction Type | Transfer |
| Record Updated | Aug 04, 2021 |
| Title Company | AMROCK INC, AMROCK LLC |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 1845 MAPLETON AVE, BOULDER, CO 80304-4265 |
| Document Number | 0003902301 |
|---|---|
| Date | Jul 26, 2021 |
| Instrument | 3902301 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 01, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 1845 MAPLETON AVE, BOULDER, CO 80304-4265 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0003623857 |
|---|---|
| Date | Nov 03, 2017 |
| Instrument | 3623857 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Nov 03, 2047 |
| 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 | 1845 MAPLETON AVE, BOULDER, CO 80304-4265 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0003616568 |
|---|---|
| Date | Sep 26, 2017 |
| Instrument | 3616568 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Adjustable Rate Mortgage (ARM) |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 01, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.87% |
| Type Change Date | Oct 01, 2024 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 8.87% |
| Index | 1-Year LIBOR |
| Max Rate | 8.87% |
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 and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $95,982 (+8.8%) Land $54,250 Building $41,732 | $1,411,500 (-) Land $797,800 Building $613,700 | |
| 2025 | $8,411.00 (+3.83%) | $88,219 (-9.52%) Land $49,863 Building $38,356 | $1,411,500 (-3%) Land $797,800 Building $613,700 |
| 2023 | $8,101.00 (+15.19%) | $97,499 (+28.73%) Land $52,515 Building $44,984 | $1,455,200 (+33.53%) Land $783,800 Building $671,400 |
| 2022 | $7,033.00 | $75,741 Land $40,984 Building $34,757 | $1,089,800 Land $589,700 Building $500,100 |
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