Water Risk Profile — ZIP 83702
Flood risk, local cost data, climate factors, and insurance context for your ZIP code.
Flood Risk
Low
Cost Range
$1,350–$7,650
Avg Response
42 min
NFIP
State participates
Local Climate & Risk Factors
Boise, Idaho's diverse climate creates different water damage risks across the state: northern Idaho's maritime-influenced climate produces heavy snowpack and spring snowmelt flooding; southern Idaho's high desert experiences cold desert winters with pipe freeze risk and occasional summer thunderstorm flash floods. The Snake River Plain has significant FEMA flood zone designations along river corridors. Irrigated agricultural areas in southern Idaho face irrigation canal failures and flooding from field irrigation runoff. Idaho's growth-driven new construction means many properties have irrigation systems that can fail and cause significant crawl space flooding. Idaho Insurance Department handles claim disputes.
Flood-prone areas: Riverside Village and Barber Valley in southeast Boise occupy the Boise River's primary floodplain and are protected by Lucky Peak Dam's flood control operations — during the historic 1997 flood, record snowpack drove flows that pushed the dam near operational limits, and the Army Corps of Engineers made emergency releases that inundated riverside properties throughout this corridor. The Harris Ranch neighborhood on the southeast Boise bench is experiencing rapid residential construction on foothills terrain where natural drainageways have been graded and routed into undersized concrete channels, causing flash flooding of newer homes during summer thunderstorm events before street-level storm infrastructure matures.
Water Category Cost Table — Boise, ID
Extraction & drying cost per square foot by IICRC water category
| Water Category | $/sq ft |
|---|---|
| Category 1 — Clean Burst supply line, clean appliance overflow | $2.46–$6.08 |
| Category 2 — Gray Dishwasher, washing machine, toilet bowl (no feces) | $6.08–$7.36 |
| Category 3 — Black Sewage backup, floodwater, toilet overflow with feces | $8.64–$10.89 |
Estimates exclude reconstruction (drywall, flooring replacement). National benchmarks: Cat 1 $3.75–$4.25, Cat 2 $4.10–$6.50, Cat 3 $7–$7.50/sq ft — adjusted for Boise market (2.9–9.9/sq ft range).