Boulder County property record for 637 Collyer St, Longmont, CO 80501
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,245 sqft · built 1922 |
| Lot Size | 0.261 acres (11,355 sqft) |
| Owner | Individual Name on File |
| Last Sale | $193,000 (Feb 2008) |
| Tax Bill | $3,439 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1315-03-1-19-022 |
| Primary APN | 1315-03-1-19-022 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,245 sqft Living Area |
| Gross Area | 2,335 sqft |
| 1st Floor Area | 1,295 sqft |
| Basement Area | 1,040 sqft |
| Finished Basement | 950 sqft |
| Unfinished Basement | 90 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1922 |
|---|---|
| Effective Year Built | Effective 1988 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 11,355 sqft (0.261 acres) |
| Garage Type | Detached |
| Garage Area | 360 sqft |
| Porch | Porch |
| Porch Area | 150 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0041925 |
|---|---|
| Street Address | 637 COLLYER ST |
| City | LONGMONT |
| State | CO |
| Zip | 80501-5091 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S 60 FT LOT 8 BLK 25 LONGMONT OT |
| Legal Range | 69 |
| Legal Township | 2N |
| Legal Section | 03 |
| Legal Subdivision | LONGMONT OT |
| Legal Block | 25 |
| Legal Lot Number | 8 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 3 |
| Census Block | 3016 |
| Census Tract | 13401 |
637 Collyer St is owned by an individual who bought it in February 2008.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | PO BOX 1192, LYONS, CO 80540-1192 |
| 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 | Feb 4, 2008 · Amount on File |
| Deed Sale | Feb 4, 2008 · Amount on File |
| Prior Sale | Apr 5, 2005 · Amount on File |
| Deed Document Number | 20082907897 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 637 Collyer St was $3,439.
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 | $32,087 (-2.08%) Land $6,546 Building $25,541 | $524,300 (-) Land $148,700 Building $375,600 | |
| 2025 | $3,439.00 | $32,769 Land $9,294 Building $23,475 | $524,300 Land $148,700 Building $375,600 |
| 2023 | $2,738.00 (+17.51%) | $32,710 (+38.92%) Land $10,258 Building $22,452 | $488,200 (+44.1%) Land $153,100 Building $335,100 |
| 2022 | $2,330.00 | $23,546 Land $7,457 Building $16,089 | $338,800 Land $107,300 Building $231,500 |
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 637 Collyer 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 637 Collyer 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 508 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| NextLight Fiber | 10,000 / 10,000 |
| Xfinity Cable | 2,000 / 250 |
| CenturyLink DSL | 140 / 20 |
May also be available: Rise Broadband, T-Mobile, Verizon.
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