Boulder County property record for 412 Sumner St, Longmont, CO 80501
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 2,550 sqft · built 1910 |
| Lot Size | 0.215 acres (9,374 sqft) |
| Owner | Individual Name on File |
| Last Sale | $96,000 (May 1987) |
| Tax Bill | $4,668 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1315-04-1-24-009 |
| Primary APN | 1315-04-1-24-009 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,550 sqft Living Area |
| Gross Area | 2,716 sqft |
| 1st Floor Area | 1,212 sqft |
| Upper Floors Area | 832 sqft |
| Basement Area | 672 sqft |
| Finished Basement | 506 sqft |
| Unfinished Basement | 166 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1935 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 9,374 sqft (0.215 acres) |
| Garage Type | Carport |
| Garage Area | 240 sqft |
| Carport | Carport |
| Carport Area | 240 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Porch Area | 344 sqft |
| Deck Area | 160 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0045015 |
|---|---|
| Street Address | 412 SUMNER ST |
| City | LONGMONT |
| State | CO |
| Zip | 80501-4864 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 16-17-18 BLK 4 CAPITOL HILL |
| Legal Range | 69 |
| Legal Township | 2N |
| Legal Section | 04 |
| Legal Subdivision | CAPITOL HILL - LG |
| Legal Block | 4 |
| Legal Lot Number | 16 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 4 |
| Census Block | 4005 |
| Census Tract | 13302 |
412 Sumner St is owned and occupied by an individual who acquired it in August 2000.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 412 SUMNER ST, LONGMONT, CO 80501-4864 |
| 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 | May 5, 1987 · Amount on File |
| Deed Sale | May 5, 1987 · Amount on File |
| Prior Sale | Jan 22, 1985 · Amount on File |
| Deed Document Number | 1987846348 |
| Last Transfer Date | Aug 9, 2000 |
| Transfer Doc | 0002072565 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 412 Sumner St was $4,668.
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 | $43,622 (-1.9%) Land $7,630 Building $35,992 | $711,500 (-) Land $182,200 Building $529,300 | |
| 2025 | $4,668.00 | $44,469 Land $11,388 Building $33,081 | $711,500 Land $182,200 Building $529,300 |
| 2023 | $4,009.00 (+11.95%) | $46,176 (+27.57%) Land $12,743 Building $33,433 | $689,200 (+32.33%) Land $190,200 Building $499,000 |
| 2022 | $3,581.00 | $36,196 Land $9,383 Building $26,813 | $520,800 Land $135,000 Building $385,800 |
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 412 Sumner St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 1 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 412 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 506 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 |
| Rise Broadband Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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