Boulder County property record for 333 18th St, Boulder, CO 80302 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 5 Baths |
| Year Built | Built 2007 |
| Square Footage | 3,990 sqft Living Area |
| Lot Size | 10,829 sqft (0.249 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $1,172,000 (2016) |
| Tax Bill | $10,149.00 (2025) |
| Primary APN | 1577-06-2-15-007 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 8 Rooms |
| Building Area | 3,990 sqft Living Area |
| Gross Area | 5,307 sqft Gross Area |
| 1st Floor | 2,233 sqft 1st Floor |
| Basement Area | 2,591 sqft Basement |
| Finished Basement | 1,053 sqft Finished |
| Unfinished Basement | 1,538 sqft Unfinished |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 2007 |
| Architectural Style | Split Level Style |
| Exterior Material | Brick Veneer Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 10,829 sqft (0.249 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 483 sqft Garage |
| Patio Area | 228 sqft Patio |
| Porch | Porch |
| Porch Area | 204 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0005066 |
|---|---|
| Street Address | 333 18TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80302-8005 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 11 & N 17 1/2 FT LOT 12 & E 5 FT LOT 7 & E 5 FT OF N 17 1/2 FT LOT 8 & VAC ALLEY E OF LOTS 7-8 BLK 13 INTERURBAN PARK |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 06 |
| Legal Subdivision | INTERURBAN PARK - BO |
| Legal Block | 13 |
| Legal Lot Number | 7 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 1 |
| Census Block | 1022 |
| Census Tract | 12505 |
Source: Boulder County records · APN 1577-06-2-15-007
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 | 333 18TH ST, BOULDER, CO 80302-8005 |
| 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 | 20163524781 |
| 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 | $149,892 (+40.82%) Land $78,907 Building $70,985 | $2,204,300 (+29.43%) Land $1,160,400 Building $1,043,900 | |
| 2025 | $10,149.00 (+13.61%) | $106,444 (-0.64%) Land $72,525 Building $33,919 | $1,703,100 (+6.52%) Land $1,160,400 Building $542,700 |
| 2023 | $8,933.00 (+2.2%) | $107,126 (+13.81%) Land $73,894 Building $33,232 | $1,598,900 (+18.05%) Land $1,102,900 Building $496,000 |
| 2022 | $8,741.00 | $94,130 Land $60,541 Building $33,589 | $1,354,400 Land $871,100 Building $483,300 |
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