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One of the crown jewels of Altair. 79 Eider Run combines exquisite interior upgrades with an oversized 10,000-square-foot lot that features one of the most impressive backyards you will find. Built in 2018 by Toll Brothers, the Callisto floor plan is one of the most desirable in the entire development. Enter through the front door and you are greeted by vaulted ceilings and a beautiful formal staircase. Downstairs you will find an oversized great room, formal dining room, a guest bedroom, office, and an enclosed California room that brings the total interior living space to 5,848 square feet. The chef's kitchen includes a gigantic island, Sub-Zero refrigerator, Wolf appliances, pot filler, real wood soft-close cabinetry, and a walk-in pantry. Oversized sliding glass doors create the ultimate indoor/outdoor living environment. The custom-built patio cover not only offers the perfect space for entertaining but also features a built-in waterfall that flows into the pool — a showstopping feature that provides the most beautiful ambient sound. The backyard doesn't end there; the infinity-edge pool and spa are definitely the centerpiece, but shouldn't overshadow the built-in outdoor kitchen, fire pit, and putting green. The 9-inch wide hardwood flooring continues upstairs, where you will find an oversized loft, three additional bedrooms each with their own upgraded en suite bathrooms, and a separate laundry room. The real showstopper on the second floor, however, is the primary suite — an expansive bedroom area, additional sitting retreat, a bathroom adorned in custom tilework, a walk-in rain shower, soaking tub, separate vanity area, and a custom-designed walk-in closet. The entire home operates as a smart home through a Control4 system, allowing the owner to control the lights, security cameras, air conditioning, pool settings, built-in speakers, and more from the touch of their phone. This property is also one of the rare homes in Altair that offers two separate garages, providing space for three cars. All of this is set behind the guarded gates of Altair, with access to some of the finest amenities in Irvine — including two pools, a luxury clubhouse with event space, private tennis courts, a playground, and expansive green areas. All of this is located within one of Irvine's most highly sought-after school districts and just minutes from shopping, dining, entertainment, and travel conveniences.
Listing agent: Wyatt Hulick DRE #02087221 charleshulick@bhhscal.com, Listing office: Berkshire Hathaway HomeService
MLS data updated 10/17/2026, 1:48:09 AM PT
Source: CRMLS, MLS #: OC26081550
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Oct 9, 2026
Prices use the left axis; mortgage rates use the right. Hover, tap, or focus the chart and use the arrow keys. Red SOLD badges mark recorded sales.
This home · nearest recorded event
$5,800,000Asking price recorded · Oct 9, 2026ZIP 92618 · Oct 2026
No monthly averageAt least 3 eligible sales in this month are required.30-year fixed mortgage benchmark
No weekly rateNo published rate within 7 days of this date.No recorded sales in this range. Select All available for older records; missing records do not mean the home never sold.
ZIP averages use publicly displayable closed sales from our licensed MLS feed, matched to the same ZIP and exact property type. Months with fewer than 3 sales are omitted; the current month is incomplete. Lines connect available monthly observations across gaps and do not represent measured prices in missing months. These averages are not adjusted for size, condition, or location within the ZIP, and are not an appraisal. Feed coverage may not include every sale. All available shows the available home and ZIP history, with mortgage rates over the same dates.
Mortgage benchmark: Freddie Mac Primary Mortgage Market Survey®. © Freddie Mac. Weekly national 30-year fixed rates, not APRs or a loan quote. Actual terms vary. Methodology changed in November 2022. The chart does not establish that interest-rate changes caused a home’s price changes.
Lines connect recorded asking and sale prices. They are visual guides, not estimates of the home’s value between those dates.
No earlier records were returned by our current sources. This does not mean the home has never sold.
MLS records may be incomplete. Earlier asking prices are not sale prices.