- ZIP
- 90720
- Soil Type
- Silty Clay
- Clay In Topsoil
- 22%
- Sand In Topsoil
- 7%
- Elevation
- 15 to 15 ft
- Water Provider
- Golden State Water for part of Rossmoor
What Makes Rossmoor Different
Rossmoor is an unincorporated community with some of the largest front lawns in the area. Big lawns take real time and water to keep up, which also makes them strong candidates for a rebate. Mature trees mean more shade, more leaves and more roots to plan around.
The Ground In Rossmoor

USDA maps this as Bolsa silty clay loam, about 30 percent clay and only 7 percent sand.
- Water soaks in slowly, so short cycles are the rule here.
- Roots can sit wet in this soil, so plant slightly high.
- Add compost on top and let it work down. Do not till it wet.
Plants That Tend To Fit This Soil
- Juncus
- Deer grass
- Yarrow
- Coffeeberry
- Monkey flower
- Western redbud
Watering Rules In Rossmoor
Golden State Water serves part of Rossmoor and recommends limiting outdoor irrigation to 7 p.m. through 8 a.m. Check your bill for your provider.
Lawn Removal Rebates
Golden State Water lists turf removal rebates starting at $3 per square foot, handled through MWDOC at (714) 593-5036.
Popular Work In Rossmoor
Questions We Hear
Do you do lawn care in Rossmoor?
Yes. Weekly and every other week lawn care is available in Rossmoor, along with pruning, cleanup and sprinkler repair. Call or text (562) 551-8873.
Do Long Beach watering rules apply in Rossmoor?
No. Rossmoor follows its own water provider, so Long Beach days do not carry over. Golden State Water serves part of Rossmoor and recommends limiting outdoor irrigation to 7 p.m. through 8 a.m. Check your bill for your provider.
What soil is common in Rossmoor?
USDA maps this as Bolsa silty clay loam, about 30 percent clay and only 7 percent sand. Your own yard may differ, so a soil test is cheap insurance.

