Boulder County property record for 1815 3rd Ave, Longmont, CO 80501
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.25 ba · 3,245 sqft · built 1950 |
| Lot Size | 0.462 acres (20,112 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $235,000 (May 1994) |
| Tax Bill | $4,307 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1315-04-3-01-002 |
| Primary APN | 1315-04-3-01-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.25 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 3,245 sqft Living Area |
| Gross Area | 4,256 sqft |
| 1st Floor Area | 2,218 sqft |
| Basement Area | 2,038 sqft |
| Finished Basement | 1,027 sqft |
| Unfinished Basement | 1,011 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1967 |
| Architectural Style | Ranch |
| Exterior Material | Block |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 20,112 sqft (0.462 acres) |
| Garage Area | 806 sqft |
| Parking Spaces | 3 Parking Spaces |
| Deck Area | 754 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0039983 |
|---|---|
| Street Address | 1815 3RD AVE |
| City | LONGMONT |
| State | CO |
| Zip | 80501-4718 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 2 BLK 1 NELSONS AMENDED REPLAT |
| Legal Range | 69 |
| Legal Township | 2N |
| Legal Section | 04 |
| Legal Subdivision | NELSONS AMENDED REPLAT - LG |
| Legal Block | 1 |
| Legal Lot Number | 2 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 5 |
| Census Block | 5021 |
| Census Tract | 13302 |
Source: Boulder County records, as of September 18, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 1815 3RD AVE, LONGMONT, CO 80501-4718 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 24, 1994 · Amount on Record |
| Deed Sale | May 24, 1994 · Amount on Record |
| Prior Sale | Aug 30, 1971 · Amount on Record |
| Deed Document Number | 19941430422 |
| Record Updated | Oct 29, 2026 |
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 | $46,689 (-1.27%) Land $12,934 Building $33,755 | $756,600 (-) Land $260,200 Building $496,400 | |
| 2025 | $4,307.00 (-2.62%) | $47,288 (-6.48%) Land $16,263 Building $31,025 | $756,600 (+0.25%) Land $260,200 Building $496,400 |
| 2023 | $4,423.00 (+12.75%) | $50,565 (+27.53%) Land $17,728 Building $32,837 | $754,700 (+32.29%) Land $264,600 Building $490,100 |
| 2022 | $3,923.00 | $39,650 Land $12,990 Building $26,660 | $570,500 Land $186,900 Building $383,600 |
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.
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 |
| Nearby Flood Claims | 1 (2013) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
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.
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 252 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 |
May also be available: Verizon.
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