Boulder County property record for 604 Alpine St, Longmont, CO 80504
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 1.75 ba · 1,596 sqft · built 1975 |
| Lot Size | 0.15 acres (6,546 sqft) |
| Owner | Individual Name on File |
| Last Sale | $172,000 (Aug 2013) |
| Tax Bill | $2,640 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1315-02-1-06-002 |
| Primary APN | 1315-02-1-06-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,596 sqft Living Area |
| Gross Area | 2,144 sqft |
| 1st Floor Area | 861 sqft |
| Basement Area | 735 sqft |
| Finished Basement | 735 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1975 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 6,546 sqft (0.15 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Enclosed Porch |
| Porch Area | 128 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0046634 |
|---|---|
| Street Address | 604 ALPINE ST |
| City | LONGMONT |
| State | CO |
| Zip | 80504-4607 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 2 BLK 11 SUNNYVALE |
| Legal Range | 69 |
| Legal Township | 2N |
| Legal Section | 02 |
| Legal Subdivision | SUNNYVALE |
| Legal Block | 11 |
| Legal Lot Number | 2 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 5 |
| Census Block | 5015 |
| Census Tract | 13402 |
604 Alpine St is owned and occupied by an individual who bought it in August 2013.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 604 ALPINE ST, LONGMONT, CO 80504-4607 |
| 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 | Name on Deed |
|---|---|
| Last Sale | Aug 2, 2013 · Amount on File |
| Deed Sale | Aug 2, 2013 · Amount on File |
| Prior Sale | May 8, 2008 · Amount on File |
| Deed Document Number | 20133332681 |
| Prior Transfer Date | Feb 1, 2008 |
| Prior Transfer Doc | 0002907737 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 604 Alpine St was $2,640.
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 | $24,633 (-2.08%) Land $7,925 Building $16,708 | $402,500 (-) Land $156,800 Building $245,700 | |
| 2025 | $2,640.00 | $25,156 Land $9,800 Building $15,356 | $402,500 Land $156,800 Building $245,700 |
| 2023 | $2,218.00 (+10.13%) | $27,196 (+33.6%) Land $10,794 Building $16,402 | $405,900 (+38.58%) Land $161,100 Building $244,800 |
| 2022 | $2,014.00 | $20,356 Land $7,603 Building $12,753 | $292,900 Land $109,400 Building $183,500 |
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 604 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 604 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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