ZIP 80503 (Longmont, CO) — Property Value, Rent, Schools, Flood, Soil & EPA Report
Is ZIP 80503 (Longmont, CO) a High-Risk Area & What Are Local Home Values?
ZIP code 80503 in Longmont, Colorado (Boulder County) tracks 231 EPA-regulated sites (1 High-Risk, 0.4%), 3 FEMA county disaster declarations, and a LOW USDA soil foundation signal. Local U.S. Census & HUD benchmarks report a $779,200 median home value (+37.4% 5-yr FHFA appreciation) and $2,080/mo 2-BR Fair Market Rent, with 15 nearby K–12 schools.
| ZIP 80503 (Longmont, CO) Benchmark | Verified Local Figure | Intelligence Category |
|---|---|---|
| Median Home Value / 5-Yr Appreciation | $779,200 (+37.4% 5-Yr Trend) | Valuation & Appreciation Index |
| 2-Bedroom Fair Market Rent Benchmark | $2,080 / month (3-BR: $2,760/mo) | Rental Yield & Cap-Rate Index |
| Regulated Sites & High-Risk Facilities | 231 sites (1 High-Risk • $7,861 penalties) | Environmental & Compliance Audit |
| Flood Disaster History & Soil Shrink-Swell | 3 Flood/Storm Disasters • LOW Soil Risk | Flood & Foundation Stability |
| K–12 Schools (3 Mi) & Walkability Score | 15 K–12 Schools • 11.1 / 20.0 Walk Score • Fire 0.72 mi | Schools, Transit & Fire Access |
ZIP 80503 (Longmont, CO) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 80503 (Longmont, CO) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)ZIP 80503 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 1 High-Risk and 6 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 80503 (Longmont, CO)
100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).
| Facility Name / Hazard Type | Sector Location (Street Redacted) | Risk Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • LONGMONT, CO (ZIP 80503 Sector) | HIGH (64/100) | Significant Violation (4 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • LONGMONT, CO (ZIP 80503 Sector) | MODERATE (39/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • LONGMONT, CO (ZIP 80503 Sector) | MODERATE (39/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • NIWOT, CO (ZIP 80503 Sector) | MODERATE (35/100) | Violation Identified (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • LONGMONT, CO (ZIP 80503 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • LONGMONT, CO (ZIP 80503 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • GUNBARREL, CO (ZIP 80503 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • LONGMONT, CO (ZIP 80503 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| VAPOR TECHNOLOGIES INC FREE PREVIEW (LOW RISK) | 6400 DRY CREEK PARKWAY, LONGMONT, CO 80503 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| XILINX CO A SUBSIDIARY OF AMD INC FREE PREVIEW (LOW RISK) | 3100 LOGIC DR AND 1951 S FORDHAM ST, LONGMONT, CO 80503 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| SHELDAHL INC FREE PREVIEW (LOW RISK) | 1285 S. FORDHAM ST., LONGMONT, CO 80503 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| AMGEN LONGMONT FACILITY FREE PREVIEW (LOW RISK) | 4000 NELSON ROAD, LONGMONT, CO 80503 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 80503 (Longmont, CO) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 03, 2026)What is the home value, appreciation, and Fair Market Rent in ZIP 80503 (Longmont, CO)?
In ZIP 80503 (Longmont, CO), U.S. Census & HUD benchmarks show a median home value of $779,200, 5-year FHFA home price appreciation of +37.4%, and a HUD 2-Bedroom Small Area Fair Market Rent of $2,080/month.
How many EPA-tracked environmental sites are in ZIP code 80503 (Longmont, CO)?
ZIP code 80503 (Longmont, CO) contains 231 EPA-tracked facilities, of which 1 (0.4%) are classified in the High-Risk tier, 6 (2.6%) have active compliance violations, and 35 (15.2%) handle RCRA hazardous waste.
Is ZIP 80503 (Longmont, CO) in a FEMA flood zone and what is the soil foundation risk?
Boulder County has recorded 3 historical FEMA disaster declarations (0 flood/storm events), and USDA regional soil screening indicates a LOW shrink-swell foundation signal. Run an exact street-address scan to unlock parcel Flood Zone (AE/VE/X) and Soil LEP %.
How many schools, fire stations, and walkability options are near ZIP 80503?
Within 3 miles of the ZIP 80503 center, federal NCES & USGS registries index 15 public, charter, and private K–12 campuses, nearest fire/EMS station at 0.72 mi, and an EPA National Walkability Score of 11.1/20.0.
Does ZIP 80503 have drinking water (SDWIS) permits or EPA radon risk?
Geologic screening places ZIP 80503 in EPA Zone 1 — High Potential (> 4.0 pCi/L), with 1 SDWIS drinking water facilities, 173 Clean Water NPDES permits, and 17 impaired water body dischargers tracked in this postal sector.