Boulder County property record for 337 Sumner St, Longmont, CO 80501 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 1.75 Baths |
| Year Built | Built 1980 |
| Square Footage | 1,770 sqft Living Area |
| Lot Size | 6,629 sqft (0.152 acres) |
| Garage | Detached, 400 sqft |
| Last Sale | $350,000 (2012) |
| Tax Bill | $3,808.00 (2025) |
| Primary APN | 1315-04-1-26-021 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,770 sqft Living Area |
| Gross Area | 1,860 sqft Gross Area |
| 1st Floor | 996 sqft 1st Floor |
| Basement Area | 864 sqft Basement |
| Stories | 1 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Ranch Style |
| Exterior Material | Composition/Composite Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 6,629 sqft (0.152 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Detached Garage |
| Garage Area | 400 sqft Garage |
| Porch Area | 200 sqft Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Account Number | R0042645 |
|---|---|
| Street Address | 337 SUMNER ST |
| City | LONGMONT |
| State | CO |
| Zip | 80501-4830 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOTS 41-42 BLK 2 CAPITOL HILL |
| Legal Range | 69 |
| Legal Township | 2N |
| Legal Section | 04 |
| Legal Subdivision | CAPITOL HILL - LG |
| Legal Block | 2 |
| Legal Lot Number | 41 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | LONGMONT |
| Census Blockgroup | 4 |
| Census Block | 4007 |
| Census Tract | 13302 |
Source: Boulder County records · APN 1315-04-1-26-021
Assessment roll updated June 15, 2026 · Last verified August 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 | 36 WILLOW ST, 2, NEWTON CENTER, MA 02459-1932 |
| 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 | 20123235441 |
| Record Refreshed | Sep 20, 2026 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Longmont City |
| Unified School District | St. Vrain Valley School District RE 1J (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 | $39,467 (+8.8%) Land $10,424 Building $29,043 | $580,400 (-) Land $153,300 Building $427,100 | |
| 2025 | $3,808.00 (+12.43%) | $36,275 (-8.36%) Land $9,581 Building $26,694 | $580,400 (-1.76%) Land $153,300 Building $427,100 |
| 2023 | $3,387.00 (+11.38%) | $39,584 (+28.77%) Land $10,720 Building $28,864 | $590,800 (+33.57%) Land $160,000 Building $430,800 |
| 2022 | $3,041.00 | $30,740 Land $7,888 Building $22,852 | $442,300 Land $113,500 Building $328,800 |
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