In one line: 90720 is two places. Rossmoor is 3,430 single-family homes behind a brick wall, unincorporated, median $1,749,167. Los Alamitos is a small incorporated city of houses, townhomes and condos, median $1,471,799. Same schools, same mailing address, different markets.
Two communities, one ZIP
ZIP code 90720 covers the City of Los Alamitos and the unincorporated community of Rossmoor. Both are served by the Los Alamitos Unified School District, both use a Los Alamitos mailing address, and they are governed differently: Los Alamitos by its own city council, Rossmoor by the County of Orange and the Rossmoor Community Services District. Listing sites file Rossmoor homes under Los Alamitos constantly, so the first question on any 90720 listing is which side of the line it's on.
| Community | Median sale | vs last year | $/sq ft | Days on market | Sale-to-list | Homes sold |
|---|---|---|---|---|---|---|
| Rossmoor | $1,749,167 | +6.3% | $853 | 35 | 99.0% | 29 |
| Los Alamitos | $1,471,799 | +20.6% | $692 | 76 | 99.6% | 12 |
All home types, three months ending September 2026. Source: Redfin Data Center (MLS and public records): Rossmoor · Los Alamitos. Areas with few sales swing month to month.
Rossmoor's median ($1,749,167) runs above Los Alamitos ($1,471,799) because Rossmoor is single-family only; Los Alamitos includes condos and townhomes.
Rossmoor in depth
- Rossmoor guide: living here
- Homes for sale
- Recent sales
- Market outlook
- Demographics
- The homes and their models
- Rossmoor vs nearby cities
- A conversation with Eunice
- Buying in Rossmoor
- Selling in Rossmoor
- Home prices since 2012
Los Alamitos in depth
- Los Alamitos guide: living here
- Homes for sale
- Recent sales
- Market outlook
- Demographics
- Neighborhoods and streets
- Los Alamitos vs nearby cities
- A conversation with Eunice
- Buying in Los Alamitos
- Selling in Los Alamitos
- Home prices since 2012
How to tell them apart
- The brick wall. Inside it is Rossmoor.
- The county assessor's record says "Rossmoor" or lists the County as the taxing jurisdiction for unincorporated homes.
- Street names. Rossmoor's streets have their own names (Blume, Hedwig, Foxglove, Silver Fox and the rest); Los Alamitos's tracts are around Katella, Pine, Farquhar and Bloomfield.
- Ask Eunice. She checks every listing.
Talk to Eunice about a home in Rossmoor or Los Alamitos
Call or text (562) 714-1565, email hello@homesbyeunice.com, or start online.
Questions people ask
What city is ZIP code 90720?
Los Alamitos, California. The ZIP also covers Rossmoor, an unincorporated community next door that uses a Los Alamitos mailing address.
Is Rossmoor part of Los Alamitos?
No. Rossmoor is unincorporated Orange County with its own Community Services District; Los Alamitos is an incorporated city. They share the ZIP code and the school district.
What is the median home price in 90720?
Rossmoor's median was $1,749,167 and Los Alamitos's $1,471,799 in three months ending September 2026 (Redfin). There is no single ZIP-wide figure that means much, because the two communities have different home types.
Which schools serve 90720?
The Los Alamitos Unified School District serves both Rossmoor and Los Alamitos. Assignment follows the exact address; confirm with the district.