Boulder County property record for 643 Mapleton Ave, Boulder, CO 80304 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2.75 Baths |
| Year Built | Built 1995 |
| Square Footage | 3,239 sqft Living Area |
| Lot Size | 6,332 sqft (0.145 acres) |
| Garage | Attached, 279 sqft |
| Last Sale | $1,167,500 (2006) |
| Tax Bill | $19,217.00 (2025) |
| Primary APN | 1461-25-4-04-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 9 Rooms |
| Building Area | 3,239 sqft Living Area |
| Gross Area | 4,205 sqft Gross Area |
| 1st Floor | 1,644 sqft 1st Floor |
| Upper Floors | 1,595 sqft Upper Floors |
| Basement Area | 687 sqft Basement |
| Stories | 2 Stories |
| Interior Structure | Plaster Interior Structure |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1995 |
| Exterior Material | Combination Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 6,332 sqft (0.145 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 279 sqft Garage |
| Porch | Porch |
| Porch Area | 118 sqft Porch |
| Heating System | Hot Water Heating |
|---|
| Account Number | R0008802 |
|---|---|
| Street Address | 643 MAPLETON AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3989 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | S 3/4 LOTS 33-34 BLK 3 MAPLETON |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | MAPLETON - BO |
| Legal Block | 3 |
| Legal Lot Number | 33 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 4 |
| Census Block | 4006 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-4-04-002
Assessment roll updated June 15, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Owner on File |
|---|---|
| Mailing Address | 24 ROAD 19 1/2, A, CODY, WY 82414-9699 |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Date | Document |
|---|---|
| May 28, 2026 | Special Warranty Deed, Transfer NONE LISTED ON DOCUMENT |
| May 06, 2021 | Intrafamily Transfer, Transfer |
| Feb 16, 2021 | Deed of Trust, Mortgage · Conventional Mortgage DSW MORTGAGE INC |
| Mar 06, 2017 | Deed of Trust, Mortgage · Line of Credit ELEVATIONS CU |
| Dec 23, 2019 | Quit Claim Deed, Transfer · Conventional Mortgage DSW MORTGAGE INC |
| Apr 12, 2018 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20062748971 |
| Last Transfer Date | Apr 27, 2021 |
| Transfer Doc | 0003883197 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | May 28, 2026 |
| Property Address | 643 MAPLETON AVE, BOULDER, CO 80304-3989 |
| Document Number | 0004133732 |
| Instrument Date | May 06, 2026 |
| Instrument | 20264133732 |
| Transaction Type | Transfer |
| Record Updated | Jul 12, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Trust |
| Address | 24 ROAD 19 1/2, CODY, WY 82414-9699 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | May 06, 2021 |
| Property Address | 643 MAPLETON AVE, BOULDER, CO 80304-3989 |
| Document Number | 0003883197 |
| Instrument Date | Apr 27, 2021 |
| Instrument | 3883197 |
| Transaction Type | Transfer |
| Record Updated | May 19, 2021 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 643 MAPLETON AVE, BOULDER, CO 80304-3989 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 643 MAPLETON AVE, BOULDER, CO 80304-3989 |
| Transaction Type | Mortgage |
| Record Updated | Mar 01, 2021 |
| Title Company | ASCENDANT TITLE CO |
| Name | Verified Name |
|---|
| Document Number | 0003859520 |
|---|---|
| Date | Feb 16, 2021 |
| Instrument | 3859520 |
| Name | DSW MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Address | BOULDER, CO 80302 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 01, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 643 MAPLETON AVE, BOULDER, CO 80304-3989 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0003578664 |
|---|---|
| Date | Mar 06, 2017 |
| Instrument | 3578664 |
| Name | ELEVATIONS CU |
|---|---|
| Type | Credit Union |
| Address | BOULDER, CO 80301 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | Mar 05, 2037 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Dec 23, 2019 |
| Property Address | 643 MAPLETON AVE, BOULDER, CO 80304-3989 |
| Document Number | 0003756708 |
| Instrument Date | Oct 21, 2019 |
| Instrument | 3756708 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Zero or No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 643 MAPLETON AVE, BOULDER, CO 80304-3989 |
| Document Number | 0003756709 |
|---|---|
| Date | Dec 23, 2019 |
| Instrument | 3756709 |
| Name | DSW MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Dec 01, 2049 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Apr 12, 2018 |
| Property Address | 643 MAPLETON AVE, BOULDER, CO 80304-3989 |
| Document Number | 0003650354 |
| Instrument Date | Apr 12, 2018 |
| Instrument | 3650354 |
| Transaction Type | Transfer |
| Record Updated | Apr 20, 2018 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 643 MAPLETON AVE BOULDER CO 803043989, BOULDER, CO 80304-3989 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified July 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 | $219,286 (+8.8%) Land $106,420 Building $112,866 | $3,224,800 (-) Land $1,565,000 Building $1,659,800 | |
| 2025 | $19,217.00 (+3.88%) | $201,551 (-7.5%) Land $97,813 Building $103,738 | $3,224,800 (-0.84%) Land $1,565,000 Building $1,659,800 |
| 2023 | $18,499.00 (+13.1%) | $217,898 (+23.7%) Land $103,837 Building $114,061 | $3,252,200 (+28.32%) Land $1,549,800 Building $1,702,400 |
| 2022 | $16,357.00 | $176,148 Land $75,665 Building $100,483 | $2,534,500 Land $1,088,700 Building $1,445,800 |
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