Boulder County property record for 645 Concord Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 3 Baths |
| Year Built | Built 2000 |
| Square Footage | 2,619 sqft Living Area |
| Lot Size | 8,401 sqft (0.193 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $1,350,000 (2009) |
| Tax Bill | $16,543.00 (2025) |
| Primary APN | 1461-25-1-07-003 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Partial Baths | 3 Partial Baths |
| Total Rooms | 8 Rooms |
| Building Area | 2,619 sqft Living Area |
| Gross Area | 3,495 sqft Gross Area |
| 1st Floor | 1,527 sqft 1st Floor |
| Upper Floors | 1,092 sqft Upper Floors |
| Basement Area | 876 sqft Basement |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | A-Frame Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 8,401 sqft (0.193 acres) |
| Parking Spaces | 3 Parking Spaces |
| Garage Type | Detached Garage |
| Garage Area | 210 sqft Garage |
| Patio Area | 358 sqft Patio |
| Porch | Porch |
| Porch Area | 214 sqft Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Account Number | R0005335 |
|---|---|
| Street Address | 645 CONCORD AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3922 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 4 BLK 7 PHILLIPS |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | PHILLIPS - BO |
| Legal Block | 7 |
| Legal Lot Number | 4 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 1 |
| Census Block | 1020 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-1-07-003
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 | 645 CONCORD AVE, BOULDER, CO 80304-3922 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20093007495 |
| Prior Transfer Date | Sep 20, 2000 |
| Prior Transfer Doc | 0002082804 |
| Record Refreshed | Sep 20, 2026 |
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 | $188,774 (+8.8%) Land $122,386 Building $66,388 | $2,776,100 (-) Land $1,799,800 Building $976,300 | |
| 2025 | $16,543.00 (+0.39%) | $173,507 (-10.79%) Land $112,488 Building $61,019 | $2,776,100 (-4.37%) Land $1,799,800 Building $976,300 |
| 2023 | $16,478.00 (+20.82%) | $194,494 (+32.42%) Land $122,469 Building $72,025 | $2,902,900 (+37.36%) Land $1,827,900 Building $1,075,000 |
| 2022 | $13,639.00 | $146,875 Land $79,112 Building $67,763 | $2,113,300 Land $1,138,300 Building $975,000 |
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