Boulder County property record for 535 Mapleton Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 6 Beds |
| Bathrooms | 4 Baths |
| Year Built | Built 1975 |
| Square Footage | 5,158 sqft Living Area |
| Lot Size | 9,227 sqft (0.212 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $1,400,000 (2005) |
| Tax Bill | $22,402.00 (2025) |
| Primary APN | 1461-25-4-05-018 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 11 Rooms |
| Building Area | 5,158 sqft Living Area |
| 1st Floor | 1,929 sqft 1st Floor |
| Upper Floors | 2,249 sqft Upper Floors |
| Basement Area | 980 sqft Basement |
| Finished Basement | 980 sqft Finished |
| Stories | 2 Stories |
| Interior Structure | Plaster Interior Structure |
| Year Built | Built 1905 |
|---|---|
| Effective Year Built | Effective 1975 |
| Exterior Material | Combination Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 9,227 sqft (0.212 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Detached Garage |
| Garage Area | 696 sqft Garage |
| Patio Area | 843 sqft Patio |
| Porch | Porch |
| Porch Area | 81 sqft Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Account Number | R0004656 |
|---|---|
| Street Address | 535 MAPLETON AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3987 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOTS 54-55 & W 5 FT LOT 56 BLK 4 MAPLETON |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | MAPLETON - BO |
| Legal Block | 4 |
| Legal Lot Number | 54 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 4 |
| Census Block | 4005 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-4-05-018
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 | Individual Owner on File |
|---|---|
| Mailing Address | 535 MAPLETON AVE, BOULDER, CO 80304-3987 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Jan 13, 2017 | Deed of Trust, Mortgage · Conventional Mortgage DSW MORTGAGE INC |
| May 05, 2020 | Deed of Trust, Mortgage · Line of Credit GREAT WESTERN BANK |
| Oct 25, 2017 | Trustee's Deed, Construction Loan · Building or Construction Mortgage FRANK DEVINCENT |
| Sep 14, 2017 | Deed of Trust, Mortgage · Line of Credit ELEVATIONS CU |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20052715239 |
| Last Transfer Date | Oct 27, 2015 |
| Transfer Doc | 0003484902 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 535 MAPLETON AVE, BOULDER, CO 80304-3987 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0003568822 |
|---|---|
| Date | Jan 13, 2017 |
| Instrument | 3568822 |
| Name | DSW MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Address | BOULDER, CO 80302 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Jan 01, 2032 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 535 MAPLETON AVE, BOULDER, CO 80304-3987 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0003782240 |
|---|---|
| Date | May 05, 2020 |
| Instrument | 3782240 |
| Name | GREAT WESTERN BANK |
|---|---|
| Type | Bank |
| Address | BOULDER, CO 80302 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 119 Months |
| Due | Apr 25, 2030 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Trustee's Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Oct 25, 2017 |
| Property Address | 535 MAPLETON AVE, BOULDER, CO 80304-3987 |
| Instrument Date | Oct 18, 2017 |
| Instrument | 3622041 |
| Transaction Type | Construction Loan |
| Record Updated | Nov 06, 2017 |
| Name | Verified Name |
|---|---|
| Address | 535 MAPLETON AVE BOULDER CO 803043987, BOULDER, CO 80304-3987 |
| Document Number | 0003622041 |
|---|---|
| Date | Oct 25, 2017 |
| Instrument | 3622041 |
| Name | FRANK DEVINCENT |
|---|---|
| Address | 2305 KENWOOD DR, BOULDER, CO 80305-5232 |
| Type | Building or Construction Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 12 Months |
| Due | Oct 24, 2018 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 535 MAPLETON AVE, BOULDER, CO 80304-3987 |
| Document Number | 0003615435 |
| Instrument Date | Sep 14, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Sep 27, 2017 |
| Name | Verified Name |
|---|---|
| Address | 535 MAPLETON AVE BOULDER CO 803043987, BOULDER, CO 80304-3987 |
| Document Number | 0003615435 |
|---|---|
| Date | Sep 19, 2017 |
| Instrument | 3615435 |
| Name | ELEVATIONS CU |
|---|---|
| Address | BOULDER, CO 80301 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | Sep 18, 2037 |
| Rate Type | Adjustable Rate |
|---|
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 | $255,626 (+8.8%) Land $128,466 Building $127,160 | $3,759,200 (-) Land $1,889,200 Building $1,870,000 | |
| 2025 | $22,402.00 (+1.48%) | $234,950 (-7.82%) Land $118,075 Building $116,875 | $3,759,200 (-1.18%) Land $1,889,200 Building $1,870,000 |
| 2024 | $22,076.00 (+1.77%) | ||
| 2023 | $21,693.00 (+2.82%) | $254,882 (+12.19%) Land $121,036 Building $133,846 | $3,804,200 (+16.37%) Land $1,806,500 Building $1,997,700 |
| 2022 | $21,098.00 | $227,196 Land $91,344 Building $135,852 | $3,269,000 Land $1,314,300 Building $1,954,700 |
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