Storm clouds over a Southern California home
Top 10% Wet Winter Forecast for Southern California

Storm season is here

Protect Your Home Before the Storms Hit

Experts are forecasting one of the top 10% wettest winters Southern California has seen in decades. Mid Valley General Construction is ready to help you get ahead of it.

Expert Forecast

Top 10% Winter — What That Means for Your Home

Meteorologists and climate researchers are calling this an above-normal precipitation season for Southern California — placing it among the top 10% of wet winters on record. That means sustained rainfall events, saturated soils, and elevated risk of roof leaks, foundation seepage, drainage overflow, and stucco damage.

Homes that weren't built or maintained with heavy rain in mind are especially vulnerable. A small crack in your stucco, a clogged drain, or an aging roof can turn a rainy week into thousands of dollars in interior damage. The time to act is now — before the first storm rolls in.

Top 10%
Projected rainfall season for SoCal
48 hrs
Typical window before water damage sets in
25+ yrs
Experience protecting Ventura & LA County homes

Your Home's Four Weak Points in a Wet Winter

Most storm damage doesn't come from catastrophic failure — it comes from small vulnerabilities that heavy, sustained rain exploits over days and weeks. These are the four areas we see fail most often.

01

Roofing

Your first and most critical line of defense

A roof that handles a normal SoCal winter can fail completely under a top-10% rainfall season. Missing or cracked shingles, deteriorated flashing around chimneys and vents, and worn underlayment all become active leak points when rain is sustained over days rather than hours. Water doesn't need a big hole — it needs time. Even a minor gap in flashing can allow gallons of water to migrate into your attic, insulation, and ceiling framing before you see a single stain inside. We recommend a full roof inspection before the season starts: check flashing seals, clear debris from valleys and gutters, and replace any shingles showing granule loss or curling edges.

02

Drains & Drainage

Overflow and pooling destroy foundations

Clogged gutters, undersized downspouts, and poor yard grading are the hidden culprits behind foundation damage, crawl space flooding, and landscape erosion. When soil becomes saturated — which happens fast in a top-10% rain year — water has nowhere to go except toward your foundation. French drains, properly graded swales, and clean gutter systems are not optional in a year like this. A single blocked downspout can redirect hundreds of gallons of water directly against your foundation wall over the course of a storm. We assess your entire drainage path from roof to street and make sure water moves away from your home, not into it.

03

Stucco

Hairline cracks become water highways

Stucco is one of the most common exterior finishes in Southern California — and one of the most misunderstood when it comes to water. Hairline cracks that look purely cosmetic are actually open channels that allow water to wick behind the surface and into the wall assembly. Once moisture gets behind stucco, it saturates the building paper, reaches the wood framing, and creates ideal conditions for mold and rot — often without any visible sign on the interior for weeks. In a heavy rain year, even cracks you've watched for years without concern can suddenly become serious problems. Sealing, patching, and refinishing before the season is the right call.

04

Windows & Doors

Failed seals let water in at every opening

Every window and door is a penetration in your building envelope — and every penetration is a potential leak point. Dried-out caulk, failed weatherstripping, and improperly flashed window headers are among the most common sources of interior water damage we see after storms. Water driven by wind at an angle can find gaps that would never leak in a straight-down rain. Sliding glass doors, older aluminum-frame windows, and any window or door that was installed without proper flashing tape and sill pan flashing are especially vulnerable. A thorough inspection and re-seal of all exterior openings is one of the highest-value storm-prep steps a homeowner can take.

Storm & Weather Protection Services

One licensed contractor for every layer of your home's defense.

Roof Inspection & Repair

Missing shingles, cracked flashing, and worn underlayment are the #1 cause of storm leaks. We inspect, repair, and replace before water gets in.

Waterproofing & Sealing

Exterior walls, foundations, and below-grade surfaces sealed against moisture intrusion using professional-grade elastomeric coatings and membranes.

Drainage & French Drains

Proper grading and drainage systems redirect water away from your foundation — preventing pooling, erosion, and basement or crawl space flooding.

Stucco Crack Repair

Hairline cracks in stucco let water wick behind your exterior walls. We seal, patch, and refinish so your envelope stays tight through the wet season.

Window & Door Sealing

Dried caulk, failed weatherstripping, and missing flashing around windows and doors are silent leak sources. We re-seal every opening before the rains arrive.

Insulation

Wet or compressed insulation loses its R-value and traps moisture against your framing. We inspect, remove damaged material, and install fresh insulation to keep your home dry, efficient, and protected all season long.

Don't Wait for the First Leak

Schedule a storm-readiness inspection today. We serve Simi Valley, Thousand Oaks, Moorpark, Camarillo, and surrounding Ventura and Los Angeles County communities.

CSLB #1151225 · Landscaping #776643 · Simi Valley, CA 93063