Boulder County property record for 1641 Sumner St, Longmont, CO 80501
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.75 ba · 3,200 sqft · built 1983 |
| Lot Size | 0.202 acres (8,780 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $350,000 (Nov 2017) |
| Tax Bill | $3,976 (2025) |
| Deeds & Mortgages | Nov 2017 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1205-33-1-25-013 |
| Primary APN | 1205-33-1-25-013 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 3,200 sqft Living Area |
| Gross Area | 3,729 sqft |
| 1st Floor Area | 1,615 sqft |
| Basement Area | 1,585 sqft |
| Finished Basement | 1,585 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1983 |
|---|---|
| Effective Year Built | Effective 1983 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 8,780 sqft (0.202 acres) |
| Garage Type | Attached |
| Garage Area | 529 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 208 sqft |
| Patio Area | 202 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0086945 |
|---|---|
| Street Address | 1641 SUMNER ST |
| City | LONGMONT |
| State | CO |
| Zip | 80501-2548 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 16 BLK 3 WEST POINT ADD 3 FILING 3 |
| Legal Range | 69 |
| Legal Township | 3N |
| Legal Section | 33 |
| Legal Subdivision | WEST POINT ADD 3 FILING 3 - LG |
| Legal Block | 3 |
| Legal Lot Number | 16 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 13307 |
1641 Sumner St is owner-occupied and held in a trust since November 2017.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 1641 SUMNER ST, LONGMONT, CO 80501-2548 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Trust, Family Revocable Trust |
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 | Nov 20, 2017 · Amount on File |
| Deed Sale | Nov 20, 2017 · Amount on File |
| Prior Sale | Oct 26, 1998 · Amount on File |
| Deed Document Number | 20173626619 |
| Prior Transfer Date | Aug 19, 2014 |
| Prior Transfer Doc | 0003398570 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Nov 20, 2017 |
| Property Address | 1641 SUMNER ST, LONGMONT, CO 80501-2548 |
| Document Number | 0003626619 |
| Instrument Date | Nov 17, 2017 |
| Instrument | 3626619 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2022 |
| Title Company | FIDELITY NATL TITLE |
| Amount | Amount on Record |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $35.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 00000 |
| Name | Verified Name |
|---|---|
| Relationship | Family Revocable Trust |
| Address | 1641 SUMNER ST, LONGMONT, CO 80501-2548 |
| Document Number | 0003626620 |
|---|---|
| Date | Nov 20, 2017 |
| Instrument | 3626620 |
| Name | HIGH PLAINS BANK |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 6 Months |
| Due | May 14, 2018 |
The 2025 property tax bill for 1641 Sumner St was $3,976.
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 | $37,087 (-2.08%) Land $2,815 Building $34,272 | $606,000 (-) Land $102,000 Building $504,000 | |
| 2025 | $3,976.00 | $37,875 Land $6,375 Building $31,500 | $606,000 Land $102,000 Building $504,000 |
| 2023 | $3,559.00 (+14.51%) | $41,406 (+31.81%) Land $7,102 Building $34,304 | $618,000 (+36.73%) Land $106,000 Building $512,000 |
| 2022 | $3,108.00 | $31,414 Land $5,226 Building $26,188 | $452,000 Land $75,200 Building $376,800 |
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 1641 Sumner 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 1641 Sumner 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 | None beyond 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 562 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 |
| AT&T Fixed Wireless | 100 / 20 |
| Rise Broadband Fixed Wireless | 100 / 20 |
May also be available: T-Mobile.
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