Boulder County property record for 370 S 40th St, Boulder, CO 80305 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 1.75 Baths |
| Year Built | Built 2000 |
| Square Footage | 1,760 sqft Living Area |
| Lot Size | 7,358 sqft (0.169 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $74,500 (1980) |
| Tax Bill | $5,523.00 (2025) |
| Primary APN | 1577-05-4-23-012 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 5 Rooms |
| Building Area | 1,760 sqft Living Area |
| Gross Area | 2,800 sqft Gross Area |
| 1st Floor | 1,400 sqft 1st Floor |
| Basement Area | 1,400 sqft Basement |
| Finished Basement | 360 sqft Finished |
| Unfinished Basement | 1,040 sqft Unfinished |
| Stories | 1 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | Ranch Style |
| Exterior Material | Brick Veneer Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 7,358 sqft (0.169 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Carport Garage |
| Garage Area | 288 sqft Garage |
| Carport | Carport |
| Carport Area | 288 sqft Carport |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0012467 |
|---|---|
| Street Address | 370 S 40TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-5418 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 12 BLK 6 MARTIN ACRES 2 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | MARTIN ACRES 2 - BO |
| Legal Block | 6 |
| Legal Lot Number | 12 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 3 |
| Census Block | 3007 |
| Census Tract | 12507 |
Source: Boulder County records · APN 1577-05-4-23-012
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 Individual Names on File |
|---|---|
| Mailing Address | 370 S 40TH ST, BOULDER, CO 80305-5418 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 1980389623 |
| 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 and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $69,829 (+8.8%) Land $38,481 Building $31,348 | $1,026,900 (-) Land $565,900 Building $461,000 | |
| 2025 | $5,523.00 (-0.02%) | $64,182 (-12.38%) Land $35,369 Building $28,813 | $1,026,900 (-6.07%) Land $565,900 Building $461,000 |
| 2024 | $5,524.00 (+1.75%) | ||
| 2023 | $5,429.00 (+16.98%) | $73,251 (+28.66%) Land $41,446 Building $31,805 | $1,093,300 (+33.46%) Land $618,600 Building $474,700 |
| 2022 | $4,641.00 | $56,935 Land $30,747 Building $26,188 | $819,200 Land $442,400 Building $376,800 |
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