Mission Viejo is the largest city on this page by far, with 93,653 people in the 2020 Census, and it lies just southeast of Laguna Woods. Emergency dispatch is available around the clock, and a crew can be sent the same day when available. We do not promise an arrival time.
The city's own history page says the Mission Viejo Company formed in 1963, a master plan followed in 1964 and the first families moved in during 1966. Homes from the first phases are now close to 60 years old. Water damage here often traces back to age and to the question of which utility you call.
Which of three water districts?
The city's water conservation page names three suppliers: Santa Margarita Water District, Moulton Niguel Water District and El Toro Water District. The page does not say which part of the city each covers, so check your bill. Moulton Niguel publishes a 24/7 emergency line for water and sewer, (949) 831-2500. Santa Margarita lists customer care at (949) 459-6420 on weekdays, and we found no after-hours number for it or for El Toro Water District.
Knowing your district matters in a street-side emergency, such as a meter leak or a main break. For water inside the home, call us first and the district second.
Coverage
Mission Viejo on street-delivery ZIPs 92691 and 92692, reached by El Toro Road and Moulton Parkway.
Dispatch
Emergency dispatch available around the clock, with same-day response when crews are available.
Permits
Building Services, 200 Civic Center, (949) 470-3054, with permits submitted online.
Also nearby
Rancho Santa Margarita residents in ZIP 92688 can use this line as well.
When water is spreading in Mission Viejo
Find the shutoff
Close the fixture stop, or the main near the meter box. Know where it is before you need it.
Mind the electrics
Stay out of wet rooms with live outlets. Cut breakers only from a dry floor.
Save what you can
Lift rugs, books and electronics. Wet cardboard goes first, then upholstery.
Call the line
Phone (949) 670-0939 and describe the source. Photograph the damage after the crew is on the way.
A lake behind a dam, and creeks
Lake Mission Viejo is a private 124-acre man-made lake owned by the Lake Mission Viejo Association, opened in 1978 and held back by an earthfill dam across the Oso Creek canyon. The city's 2024 hazard plan names Upper Oso, El Toro Reservoir and Lake Mission Viejo dams as structures that could inundate parts of the city if they failed.
That is a planning scenario, not a forecast, and most calls here are far smaller. The same plan records the December 2010 to January 2011 winter storm, which received a Presidential Disaster Declaration, and the 2023 storms that caused flooding and landslides in the region. If storm water enters your home, see flood damage restoration.
The city says it participates in the National Flood Insurance Program, and a few homes have received FEMA map revisions. We did not find a city page naming one flood zone for the whole city. Check the FEMA flood map for your address, or call the City Engineer's line, (949) 470-3079.
Homes of different ages
The city's 2015 profile counted 34,043 housing units, with 28,677 single-family and 5,366 multifamily, and 81 percent owner-occupied. Current Census estimates put the owner-occupied rate at 76.9 percent. Eastern parts of the city carry some landslide potential, according to the hazard plan, while the city says expansive soils are not a significant issue.
A house from the 1960s may have original galvanized or copper supply lines, while a 1990s house may have different materials. The cause changes the repair, not the urgency. Our water damage repair page covers the rebuild.
What we handle in Mission Viejo
Most calls are appliance and supply line failures, slab leaks and water heaters. We begin with emergency water removal, then water mitigation, and remediate mold if a leak sat. Neighbors are in Laguna Beach and Lake Forest.
Map of Mission Viejo, California
Common questions
Yes. Dispatch is open 24/7, including nights, weekends and holidays. A crew can be sent the same day when available. We do not promise an arrival time.
We serve Mission Viejo on ZIPs 92691 and 92692, both street-delivery ZIPs. ZIP 92690 is a post office box ZIP, so there is nothing to dispatch to. Rancho Santa Margarita, ZIP 92688, is a separate city that we can also serve.
The city names three: Santa Margarita, Moulton Niguel and El Toro. Moulton Niguel publishes a 24/7 line, (949) 831-2500. Your water bill shows who serves your address.
The city's Building Services page says to contact it, and permits are submitted online. We found no page on water damage repairs specifically. Call (949) 470-3054 before you start.