Boulder County property record for 431 Alpine St, Longmont, CO 80504 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1972 |
| Square Footage | 1,375 sqft Living Area |
| Lot Size | 8,441 sqft (0.194 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $18,000 (1971) |
| Tax Bill | $1,938.00 (2025) |
| Primary APN | 1315-02-3-02-031 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,375 sqft Living Area |
| 1st Floor | 1,375 sqft 1st Floor |
| Stories | 1 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Ranch Style |
| Exterior Material | Brick Veneer Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Lot Area | 8,441 sqft (0.194 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Detached Garage |
| Garage Area | 440 sqft Garage |
| Patio Area | 180 sqft Patio |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0044538 |
|---|---|
| Street Address | 431 ALPINE ST |
| City | LONGMONT |
| State | CO |
| Zip | 80504-1509 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 37 DOLLHOUSE VILLAGE 1 |
| Legal Range | 69 |
| Legal Township | 2N |
| Legal Section | 02 |
| Legal Subdivision | DOLLHOUSE VILLAGE 1 - LG |
| Legal Block | 1 |
| Legal Lot Number | 37 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | LONGMONT |
| Census Blockgroup | 1 |
| Census Block | 1007 |
| Census Tract | 13402 |
Source: Boulder County records · APN 1315-02-3-02-031
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 | 431 ALPINE ST, LONGMONT, CO 80504-1509 |
| 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 | 1971981197 |
| 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 | 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 and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $26,894 (+8.8%) Land $12,111 Building $14,783 | $395,500 (-) Land $178,100 Building $217,400 | |
| 2025 | $1,938.00 (+24.23%) | $24,719 (-8.18%) Land $11,131 Building $13,588 | $395,500 (-1.57%) Land $178,100 Building $217,400 |
| 2023 | $1,560.00 (+17.91%) | $26,921 (+32.47%) Land $12,261 Building $14,660 | $401,800 (+37.41%) Land $183,000 Building $218,800 |
| 2022 | $1,323.00 | $20,322 Land $8,632 Building $11,690 | $292,400 Land $124,200 Building $168,200 |
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