Boulder County property record for 17 E 4th Ave, Longmont, CO 80504
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 792 sqft · built 1951 |
| Lot Size | 0.14 acres (6,083 sqft) |
| Owner | Individual Name on File |
| Last Sale | $140,000 (Mar 2009) |
| Tax Bill | $2,406 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1315-02-3-07-006 |
| Primary APN | 1315-02-3-07-006 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 792 sqft Living Area |
| 1st Floor Area | 792 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 6,083 sqft (0.14 acres) |
| Garage Type | Detached |
| Garage Area | 624 sqft |
| Parking Spaces | 3 Parking Spaces |
| Porch | Porch |
| Porch Area | 64 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0039921 |
|---|---|
| Street Address | 17 E 4TH AVE |
| City | LONGMONT |
| State | CO |
| Zip | 80504-1405 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 8 BLK 2 MORNING SIDE |
| Legal Range | 69 |
| Legal Township | 2N |
| Legal Section | 02 |
| Legal Subdivision | MORNINGSIDE ADDITION - LG |
| Legal Block | 2 |
| Legal Lot Number | 8 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 1 |
| Census Block | 1015 |
| Census Tract | 13401 |
Source: Boulder County records · APN 1315-02-3-07-006
Assessment roll updated June 15, 2026 · Last verified June 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 17 4TH AVE, LONGMONT, CO 80501-5609 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Mar 30, 2009 · Amount on Record |
| Deed Sale | Mar 30, 2009 · Amount on Record |
| Prior Sale | Sep 23, 2008 · Amount on Record |
| Deed Document Number | 20092988418 |
| Record Updated | Sep 20, 2026 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Longmont City |
| Unified School District | St. Vrain Valley School District RE 1J (PK - 12) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $24,942 (+8.8%) Land $7,677 Building $17,265 | $366,800 (-) Land $112,900 Building $253,900 | |
| 2025 | $2,406.00 (+23.57%) | $22,925 (-5.74%) Land $7,056 Building $15,869 | $366,800 (+1.05%) Land $112,900 Building $253,900 |
| 2023 | $1,947.00 (+5.64%) | $24,321 (+30.53%) Land $7,718 Building $16,603 | $363,000 (+35.4%) Land $115,200 Building $247,800 |
| 2022 | $1,843.00 | $18,633 Land $5,588 Building $13,045 | $268,100 Land $80,400 Building $187,700 |
Source: FEMA National Flood Hazard Layer as of October 14, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 34 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 34 in force |
| Nearby Flood Claims | 2 (1990) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Aug 1990 · rainfall accumulation |
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.6% of Colorado |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| City of Longmont Fiber | 10,000 / 10,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Lumen Technologies DSL | 140 / 20 |
May also be available: AT&T, JAB Wireless, T-Mobile USA, TDS Telecom.
Based on FCC filings for 564 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF LONGMONT serves 104,178 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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