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Irvine, CA · Orange County

Water Risk Profile — ZIP 92617

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

Irvine area water damage risks include winter rain-driven roof leaks and foundation seepage from consecutive storm events that saturate the soil beyond natural drainage capacity. California's older building stock (pre-1940 bungalows and post-war construction in Bay Area, LA, and Sacramento) often has galvanized supply piping that corrodes and fails after 50–70 years of use. Slab foundations common throughout Southern California are vulnerable to supply line failures — slab leaks are estimated to occur in 1 in 50 homes per year in Los Angeles County due to soil expansion/contraction. AB 1262 requires California insurers to provide a written explanation of coverage decisions within specified timeframes.

Flood-prone areas: Woodbridge's extensive network of man-made lakes and lagoons elevates the water table across the entire neighborhood, and during prolonged Atmospheric River events the lake levels rise enough to push water into the lowest-elevation homes along lakefront lots — the Village of Woodbridge HOA has had to coordinate emergency pumping during major storm years. Properties along the San Diego Creek corridor near the I-5/I-405 interchange sit in FEMA-designated flood zones and have experienced significant commercial and residential losses during major rain years including 2005, 2017, and 2023.

Insurance tip: Southern California homeowners including those in Irvine often overlook flood insurance because rain is infrequent — but when Atmospheric River events hit, the resulting losses are severe and completely excluded by standard homeowners policies. Irvine's relatively low base flood risk for most addresses makes NFIP preferred-risk policy premiums quite affordable ($400-$900 per year), and homeowners near San Diego Creek or in the Woodbridge lake corridor should also consider private flood insurance for potentially broader coverage of slab leaks and foundation water intrusion.

Water Category Cost Table — Irvine, CA

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 Irvine market (2.99.9/sq ft range).

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