Boulder County property record for 320 Mapleton Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1995 |
| Square Footage | 2,398 sqft Living Area |
| Lot Size | 8,240 sqft (0.189 acres) |
| Garage | Attached, 257 sqft |
| Last Sale | $675,000 (2010) |
| Tax Bill | $12,032.00 (2025) |
| Primary APN | 1461-25-3-04-006 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Building Area | 2,398 sqft Living Area |
| Gross Area | 2,655 sqft Gross Area |
| 1st Floor | 1,199 sqft 1st Floor |
| Basement Area | 1,199 sqft Basement |
| Finished Basement | 1,199 sqft Finished |
| Stories | 1 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Ranch Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Metal Roof |
| Lot Area | 8,240 sqft (0.189 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 257 sqft Garage |
| Deck Area | 200 sqft Deck |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Hot Water Heating |
| Account Number | R0000904 |
|---|---|
| Street Address | 320 MAPLETON AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3978 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | W 15 FT LOT 9 & ALL LOTS 10 & 11 BLK 1 MAPLETON PARK |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | MAPLETON PARK - BO |
| Legal Block | 1 |
| Legal Lot Number | 9 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 1 |
| Census Block | 1016 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-3-04-006
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 | Company Name on File |
|---|---|
| Mailing Address | 914 PINE GLADE RD, NEDERLAND, CO 80466-9679 |
| Owner Type | Owner is a Company |
| Vesting | Trustor/Debtor (Borrower in Default/Foreclosure On Trustee's Deed) |
| Date | Document |
|---|---|
| Jul 18, 2022 | Intrafamily Transfer, Transfer |
| Feb 12, 2020 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20103096926 |
| Last Transfer Date | Feb 07, 2020 |
| Transfer Doc | 0003765778 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jul 18, 2022 |
| Property Address | 320 MAPLETON AVE, BOULDER, CO 80304-3978 |
| Document Number | 0003972102 |
| Instrument Date | Jun 14, 2022 |
| Instrument | 3972102 |
| Transaction Type | Transfer |
| Record Updated | Aug 03, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Zero or No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 914 PINE GLADE RD, 914, NEDERLAND, CO 80466-9679 |
| Name | Verified Name |
|---|---|
| Relationship | Revocable Living Trust |
| Address | 914 PINE GLADE RD, NEDERLAND, CO 80466-9679 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Feb 12, 2020 |
| Property Address | 320 MAPLETON AVE, BOULDER, CO 80304-3978 |
| Document Number | 0003765778 |
| Instrument Date | Feb 07, 2020 |
| Instrument | 3765778 |
| Transaction Type | Transfer |
| Record Updated | Feb 27, 2020 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 914 PINE GLADE RD NEDERLAND CO 804669679, NEDERLAND, CO 80466-9679 |
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 | $136,374 (+8.8%) Land $107,277 Building $29,097 | $2,005,500 (-) Land $1,577,600 Building $427,900 | |
| 2025 | $12,032.00 (+4.38%) | $125,344 (-8.62%) Land $98,600 Building $26,744 | $2,005,500 (-2.04%) Land $1,577,600 Building $427,900 |
| 2023 | $11,527.00 (+5.87%) | $137,169 (+16.99%) Land $102,885 Building $34,284 | $2,047,300 (+21.35%) Land $1,535,600 Building $511,700 |
| 2022 | $10,888.00 | $117,253 Land $86,319 Building $30,934 | $1,687,100 Land $1,242,000 Building $445,100 |
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