Boulder County property record for 1812 Mapleton Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 6 Beds |
| Bathrooms | 2.25 Baths |
| Year Built | Built 2003 |
| Square Footage | 3,629 sqft Living Area |
| Lot Size | 7,491 sqft (0.172 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $1,800,000 (2021) |
| Tax Bill | $14,071.00 (2025) |
| Primary APN | 1463-30-2-29-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 2.25 Baths |
| Partial Baths | 2 Partial Baths |
| Total Rooms | 6 Rooms |
| Building Area | 3,629 sqft Living Area |
| 1st Floor | 1,959 sqft 1st Floor |
| Upper Floors | 518 sqft Upper Floors |
| Basement Area | 620 sqft Basement |
| Finished Basement | 620 sqft Finished |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 2003 |
| Architectural Style | A-Frame Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Metal Roof |
| Lot Area | 7,491 sqft (0.172 acres) |
| Parking Spaces | 4 Parking Spaces |
| Garage Type | Detached Garage |
| Garage Area | 600 sqft Garage |
| Total Buildings | 2 Total Buildings |
|---|---|
| Deck Area | 253 sqft Deck |
| Porch | Porch |
| Porch Area | 154 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0004157 |
|---|---|
| Street Address | 1812 MAPLETON AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-4264 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 2 BLK 22 BOULDER NORTH & S 10 FT VAC MAPLETON FKA HILL ST ADJ & LOT 5 BLK 143 BOULDER EAST OT |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 30 |
| Legal Subdivision | BOULDER O T EAST & WEST & NORTH - BO |
| Legal Block | 22,14 |
| Legal Lot Number | 2 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 1 |
| Census Block | 1020 |
| Census Tract | 12205 |
Source: Boulder County records · APN 1463-30-2-29-002
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 | 1812 MAPLETON AVE, BOULDER, CO 80304-4264 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Jun 01, 2021 | Deed of Trust, Mortgage · Line of Credit SOOPER CU |
| Apr 28, 2021 | Special Warranty Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20213880731 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 1812 MAPLETON AVE, BOULDER, CO 80304-4264 |
| Transaction Type | Mortgage |
| Record Updated | Feb 09, 2026 |
| Name | Verified Name |
|---|
| Document Number | 0003888841 |
|---|---|
| Date | Jun 01, 2021 |
| Instrument | 3888841 |
| Name | SOOPER CU |
|---|---|
| Type | Credit Union |
| Address | ARVADA, CO 80003 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 299 Months |
| Due | May 28, 2046 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Apr 28, 2021 |
| Property Address | 1812 MAPLETON AVE, BOULDER, CO 80304-4264 |
| Document Number | 0003880731 |
| Instrument Date | Apr 26, 2021 |
| Instrument | 3880731 |
| Transaction Type | Transfer |
| Record Updated | Feb 09, 2026 |
| Title Company | UNKNOWN, GUARDIAN TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $180.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1812 MAPLETON AVE, BOULDER, CO 80304-4264 |
| Investor | Possibly a Property Investor |
| Document Number | 0003880732 |
|---|---|
| Date | Apr 28, 2021 |
| Instrument | 3880732 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | May 01, 2051 |
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 | $160,569 (+8.8%) Land $75,528 Building $85,041 | $2,361,300 (-) Land $1,110,700 Building $1,250,600 | |
| 2025 | $14,071.00 (+8.49%) | $147,582 (-4.09%) Land $69,419 Building $78,163 | $2,361,300 (+2.81%) Land $1,110,700 Building $1,250,600 |
| 2023 | $12,970.00 (+17.77%) | $153,879 (+29.74%) Land $73,110 Building $80,769 | $2,296,700 (+34.59%) Land $1,091,200 Building $1,205,500 |
| 2022 | $11,013.00 | $118,602 Land $57,060 Building $61,542 | $1,706,500 Land $821,000 Building $885,500 |
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