Carson, incorporated in 1968, lies east of Harbor City, and its ZIP codes are 90745, 90746 and 90747. People here describe their location by anchors: Avalon Boulevard, the stadium, the university, the mall. We use the same anchors when we dispatch.
Harbor City Water Damage Pros is licensed and insured. Our 24/7 dispatch line sends crews for emergency water removal, and the sections below start with the places you know, then move to the utilities and city offices that act on a wet property.
Carson places that orient a water damage call
Each of these is a verified Carson landmark. Naming one helps the dispatcher place you, and a nearby cross street finishes the job.
Dignity Health Sports Park
A major Carson venue. If you live or work nearby, mention it with your street so the dispatcher can pin down the block.
CSU Dominguez Hills
The university has its own ZIP, 90747. Give the street address on your lease along with the ZIP.
SouthBay Pavilion
Formerly Carson Mall, it is a handy reference for a block or commercial space nearby. Give the street too.
Goodyear Blimp Base Airport
An airfield landmark in Carson. It gives the dispatcher a clear point on the map when a street name is unfamiliar.
Bixby Marshland
A 17-acre wetland inside the city. Wetlands are low, wet ground, so check the FEMA flood map for your address if you live near one.
Avalon Boulevard
A Carson street that crews can use as a reference line. Tell us the cross street nearest your address.
When water is spreading in Carson
Treat the first minutes as a sequence. Do not skip the safety step.
Turn off the supply
Shut the fixture valve or the house main. If the leak is on the street side, call your provider, which for most of Carson is Cal Water.
Check the panel first
Do not enter standing water to reach a breaker. A dry, reachable panel can be flipped for wet circuits, and anything else waits for the utility or 911.
Clear the floor
Lift furniture legs, bag loose papers and move rugs out of the water path. Wet fabric and cardboard hold moisture and slow drying.
Skip dirty water, call
If it came from a toilet or drain, keep everyone out. Then call (424) 550-5662 and our dispatcher will line up extraction with you on the phone.
Utilities and city lines for Carson
Cal Water's Dominguez system, run from its Rancho Dominguez district, serves most of Carson, plus portions of Long Beach, Torrance and Compton. Its number is (310) 257-1400, and it also answers after hours. Other Carson areas may have a different provider, so check your bill.
The City of Carson runs a 24-hour automated line at (310) 952-1700. City Hall and Building and Safety are at 701 E Carson St.
| You need | Contact | Notes |
|---|---|---|
| Water provider for most of Carson | Cal Water, (310) 257-1400 | Also reachable after hours |
| City information, any hour | Carson 24-hour line, (310) 952-1700 | Automated |
| Sandbags before rain | Building and Safety, (310) 830-7600 | The city directs sandbag requests to this number |
| Permit questions | Building and Safety, 701 E Carson St | Monday to Thursday, 7 AM to 6 PM, with an online Civic Access Portal |
| Water emergency in your home | Our line, (424) 550-5662 | Dispatch 24/7 |
Sewage or electrical hazard
If sewage is present, or water touches outlets, a panel or a gas appliance, stay out. Electrical or gas trouble goes to the utility or 911 first.
Call (424) 550-5662 at any hour. Tell us your street, ZIP and the nearest landmark.
Reading the three Carson ZIPs
Three ZIPs cover Carson street delivery. The table shows what each one tells us.
| ZIP | Verified detail | Why it matters when you call |
|---|---|---|
| 90745 | Carson is the preferred city name, with Long Beach accepted as an alias. City Hall is at 701 E Carson St. | Mail with a Long Beach name can still be a Carson address |
| 90746 | Carson is the preferred city name, with Long Beach accepted | Same, so give your street address |
| 90747 | A unique ZIP for CSU Dominguez Hills | Campus-area addresses use this one |
Storm water, flooding and insurance
Carson's emergency management page links Los Angeles County flooding and rain guidance, and the city has a 2024 Hazard Mitigation Plan. For sandbags, call (310) 830-7600. Flood zones are FEMA's to assign, so look your address up on its map.
Standard homeowners insurance does not cover flood, and a National Flood Insurance Program policy normally takes effect 30 days after purchase. Our flood damage restoration page explains how storm water is dried and what documents help.
What the estimate depends on
| Cost factor | How it changes the scope |
|---|---|
| Water category (1, 2 or 3) | The source decides whether porous materials can stay |
| Affected area | Rooms, walls and floor levels set the number of drying units |
| Materials involved | Carpet, hardwood, drywall and insulation get different plans |
| Drying days and equipment | Dehumidifier and air mover days go up with wet depth and humidity |
| Rebuild scope | Repair is scoped once the building reads dry |
A visit starts the estimate. We record moisture, take thermal images and photos, measure the wet area, and review scope and price with you before any work begins. We offer same-day response when available and quote no arrival time.
Sudden and accidental water losses are often covered, while gradual leaks often are not. Ask your insurer, and hand them the documentation we write up. For finishes after drying, see water damage repair.
Carson details that change the job
Wastewater from Lomita is treated at a plant in Carson, but we have no verified sewer provider for Carson addresses, so ask the city. Neighbors can compare notes on the Wilmington and Torrance pages, since Cal Water also serves portions of Torrance.
City Hall and Building and Safety sit at 701 E Carson St, and the city's 24-hour line is (310) 952-1700. Keep both numbers near your phone before the wet months.
Sources: City of Carson, Cal Water, ZIP code databases, Wikipedia for identity and landmarks only.
Frequently asked questions
Is emergency water removal available in Carson?
Yes. Call (424) 550-5662 any time, including nights and weekends. We offer same-day response when available, but we do not give arrival times.
Do you cover every ZIP code in Carson?
We serve 90745, 90746 and 90747. ZIP 90745 holds City Hall at 701 E Carson St, and 90747 is the unique ZIP for CSU Dominguez Hills. Carson mail can also carry a Long Beach name, and all three ZIPs accept it, so we go by street address.
Who supplies water in Carson?
Cal Water's Dominguez system serves most of the city, and its number is (310) 257-1400. Some areas may differ, so check your bill.
Where do I get sandbags in Carson?
Call Building and Safety at (310) 830-7600. The city directs sandbag requests there.
Can I drive to the Building and Safety office?
Yes, it is at 701 E Carson St. Hours listed are Monday to Thursday, 7 AM to 6 PM, and permits can also be handled through the city's online portal.