Boulder County property record for 601 Collyer St, Longmont, CO 80501
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,557 sqft · built 1910 |
| Lot Size | 0.186 acres (8,090 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $605,000 (Sep 2021) |
| Tax Bill | $4,346 (2025) |
| Deeds & Mortgages | Sep 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1315-03-1-19-017 |
| Primary APN | 1315-03-1-19-017 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,557 sqft Living Area |
| 1st Floor Area | 1,557 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Ranch |
| Exterior Material | Combination |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 8,090 sqft (0.186 acres) |
| Garage Type | Detached |
| Garage Area | 336 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Porch Area | 112 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0043619 |
|---|---|
| Street Address | 601 COLLYER ST |
| City | LONGMONT |
| State | CO |
| Zip | 80501-5027 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 12 LESS W 87.73 FT BLK 25 LONGMONT O T |
| Legal Range | 69 |
| Legal Township | 2N |
| Legal Section | 03 |
| Legal Subdivision | LONGMONT OT |
| Legal Block | 25 |
| Legal Lot Number | 12 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 3 |
| Census Block | 3016 |
| Census Tract | 13401 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the East Side Historic District listed 1986 · 67 contributing resources · NRIS 86002812 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
601 Collyer St is owned and occupied by two individuals who bought it in September 2021.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 601 COLLYER ST, LONGMONT, CO 80501-5027 |
| 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 | Sep 13, 2021 · Amount on File |
| Deed Sale | Sep 13, 2021 · Amount on File |
| Prior Sale | May 29, 2008 · Amount on File |
| Deed Document Number | 20213913549 |
| Prior Transfer Date | Sep 13, 2002 |
| Prior Transfer Doc | 0002333750 |
| Record Updated | Oct 29, 2026 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Sep 13, 2021 |
| Property Address | 601 COLLYER ST, LONGMONT, CO 80501-5027 |
| Document Number | 0003913549 |
| Instrument Date | Sep 8, 2021 |
| Instrument | 3913549 |
| Transaction Type | Transfer |
| Record Updated | Sep 29, 2021 |
| Title Company | FIRST AMERICAN TITLE |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $60.50 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 601 COLLYER ST, LONGMONT, CO 80501-5027 |
| Document Number | 0003913550 |
|---|---|
| Date | Sep 13, 2021 |
| Instrument | 3913550 |
| Name | BOKF NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2051 |
The 2025 property tax bill for 601 Collyer St was $4,346.
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 | $40,539 (-2.08%) Land $5,866 Building $34,673 | $662,400 (-) Land $152,500 Building $509,900 | |
| 2025 | $4,346.00 | $41,400 Land $9,531 Building $31,869 | $662,400 Land $152,500 Building $509,900 |
| 2023 | $3,871.00 (+10.35%) | $44,723 (+26.15%) Land $10,720 Building $34,003 | $667,500 (+30.86%) Land $160,000 Building $507,500 |
| 2022 | $3,508.00 | $35,452 Land $7,562 Building $27,890 | $510,100 Land $108,800 Building $401,300 |
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 601 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.
Wildfire risk around 601 Collyer St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 99.2% of Colorado |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 488 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 |
| Verizon Fixed Wireless | 300 / 20 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Rise Broadband, TDS Telecom.
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