Boulder County property record for 641 Alpine St, Longmont, CO 80504
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 1,552 sqft · built 1974 |
| Lot Size | 0.142 acres (6,192 sqft) |
| Owner | Company Name on File |
| Last Sale | $103,850 (Oct 1996) |
| Tax Bill | $2,577 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1315-02-1-03-011 |
| Primary APN | 1315-02-1-03-011 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Building Area | 1,552 sqft Living Area |
| Gross Area | 1,783 sqft |
| 1st Floor Area | 838 sqft |
| Basement Area | 714 sqft |
| Finished Basement | 714 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1974 |
| Architectural Style | Bi-Level |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 6,192 sqft (0.142 acres) |
| Garage Type | Attached |
| Garage Area | 231 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 216 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0046700 |
|---|---|
| Street Address | 641 ALPINE ST |
| City | LONGMONT |
| State | CO |
| Zip | 80504-4606 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 13 LESS S 3 FT BLK 9 SUNNYVALE 3 |
| Legal Range | 69 |
| Legal Township | 2N |
| Legal Section | 02 |
| Legal Subdivision | SUNNYVALE 3 |
| Legal Block | 9 |
| Legal Lot Number | 13 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 5 |
| Census Block | 5013 |
| Census Tract | 13402 |
641 Alpine St is owned by a company that acquired it in November 1999.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 607 CRAWFORD CIR, LONGMONT, CO 80504-1300 |
| Owner Type | Company |
| Vesting | Company |
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 | Name on Deed |
|---|---|
| Last Sale | Oct 9, 1996 · Amount on File |
| Deed Sale | Oct 9, 1996 · Amount on File |
| Prior Sale | Apr 4, 1984 |
| Deed Document Number | 19961649313 |
| Last Transfer Date | Nov 23, 1999 |
| Transfer Doc | 0002262022 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 641 Alpine St was $2,577.
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 | $24,039 (-2.08%) Land $7,699 Building $16,340 | $392,800 (-) Land $152,500 Building $240,300 | |
| 2025 | $2,577.00 | $24,550 Land $9,531 Building $15,019 | $392,800 Land $152,500 Building $240,300 |
| 2023 | $2,170.00 (+9.6%) | $26,686 (+33.37%) Land $10,499 Building $16,187 | $398,300 (+38.35%) Land $156,700 Building $241,600 |
| 2022 | $1,980.00 | $20,009 Land $7,395 Building $12,614 | $287,900 Land $106,400 Building $181,500 |
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 641 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 641 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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