Boulder County property record for 316 Sumner St, Longmont, CO 80501
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,008 sqft · built 1941 |
| Lot Size | 0.14 acres (6,082 sqft) |
| Owner | Individual Name on File |
| Last Sale | $75,000 (Oct 1986) |
| Tax Bill | $2,426 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1315-04-1-27-009 |
| Primary APN | 1315-04-1-27-009 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,008 sqft Living Area |
| Gross Area | 1,776 sqft |
| 1st Floor Area | 888 sqft |
| Basement Area | 888 sqft |
| Finished Basement | 120 sqft |
| Unfinished Basement | 768 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1941 |
|---|---|
| Effective Year Built | Effective 1941 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 6,082 sqft (0.14 acres) |
| Garage Type | Detached |
| Garage Area | 308 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 427 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0044234 |
|---|---|
| Street Address | 316 SUMNER ST |
| City | LONGMONT |
| State | CO |
| Zip | 80501-4831 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOTS 15-16 BLK 3 CAPITOL HILL |
| Legal Range | 69 |
| Legal Township | 2N |
| Legal Section | 04 |
| Legal Subdivision | CAPITOL HILL - LG |
| Legal Block | 3 |
| Legal Lot Number | 15 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 4 |
| Census Block | 4008 |
| Census Tract | 13302 |
316 Sumner St is owned and occupied by an individual who acquired it in May 2016.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 316 SUMNER ST, LONGMONT, CO 80501-4831 |
| 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 | Oct 10, 1986 · Amount on File |
| Deed Sale | Oct 10, 1986 · Amount on File |
| Prior Sale | Sep 22, 1982 · Amount on File |
| Deed Document Number | 1986796332 |
| Last Transfer Date | May 24, 2016 |
| Transfer Doc | 0003525945 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 316 Sumner St was $2,426.
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 | $28,752 (-2.08%) Land $6,788 Building $21,964 | $469,800 (-) Land $146,800 Building $323,000 | |
| 2025 | $2,426.00 | $29,363 Land $9,175 Building $20,188 | $469,800 Land $146,800 Building $323,000 |
| 2023 | $2,000.00 (+11.54%) | $31,583 (+25.95%) Land $10,264 Building $21,319 | $471,400 (+30.65%) Land $153,200 Building $318,200 |
| 2022 | $1,793.00 | $25,076 Land $7,555 Building $17,521 | $360,800 Land $108,700 Building $252,100 |
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 316 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.
The area around 316 Sumner 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 689 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 | 140 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Rise Broadband.
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