Boulder County property record for 437 Alpine St, Longmont, CO 80504
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,075 sqft · built 1971 |
| Lot Size | 0.197 acres (8,561 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $70,500 (Mar 1988) |
| Tax Bill | $1,989 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1315-02-3-02-029 |
| Primary APN | 1315-02-3-02-029 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,075 sqft Living Area |
| Gross Area | 2,700 sqft |
| 1st Floor Area | 1,075 sqft |
| Basement Area | 1,075 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 8,561 sqft (0.197 acres) |
| Garage Type | Attached |
| Garage Area | 550 sqft |
| Parking Spaces | 2 Parking Spaces |
| Patio Area | 220 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0041686 |
|---|---|
| Street Address | 437 ALPINE ST |
| City | LONGMONT |
| State | CO |
| Zip | 80504-1509 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 36 DOLLHOUSE VILLAGE 1 |
| Legal Range | 69 |
| Legal Township | 2N |
| Legal Section | 02 |
| Legal Subdivision | DOLLHOUSE VILLAGE 1 - LG |
| Legal Block | 1 |
| Legal Lot Number | 36 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 13402 |
437 Alpine St is owned and occupied by two individuals who bought it in March 1988.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 437 ALPINE ST, LONGMONT, CO 80504-1509 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 31, 1988 · Amount on File |
| Deed Sale | Mar 31, 1988 · Amount on File |
| Prior Sale | Oct 10, 1985 · Amount on File |
| Deed Document Number | 1988910557 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 437 Alpine St was $1,989.
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Longmont City |
| Unified School District | St. Vrain Valley School District RE 1J (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $24,682 (-2.08%) Land $9,450 Building $15,232 | $403,300 (-) Land $179,300 Building $224,000 | |
| 2025 | $1,989.00 | $25,206 Land $11,206 Building $14,000 | $403,300 Land $179,300 Building $224,000 |
| 2023 | $1,602.00 (+17.36%) | $27,369 (+31.89%) Land $12,348 Building $15,021 | $408,500 (+36.81%) Land $184,300 Building $224,200 |
| 2022 | $1,365.00 | $20,752 Land $8,694 Building $12,058 | $298,600 Land $125,100 Building $173,500 |
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.
FEMA maps place 437 Alpine St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 14, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 437 Alpine St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF LONGMONT serves 104,178 people · EPA ID CO0107485 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2025 |
| Lead | 2 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 696 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| NextLight Fiber | 10,000 / 10,000 |
| Xfinity Cable | 1,200 / 35 |
| Verizon Fixed Wireless | 300 / 20 |
| CenturyLink DSL | 140 / 20 |
May also be available: Rise Broadband, TDS Telecom.
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