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210 Opal Ave, Balboa Island — Turnkey Duplex with Three Ways to Win Rarely does a Balboa Island property offer this much flexibility. This charming, timeless duplex can be delivered fully vacant at close. a blank slate for however you want to use it. The front house is a single-story, 3-bed, 2-bath unit with an open-concept kitchen, dining, and living space, vaulted ceilings, and abundant natural light. It's fully furnished, features new flooring throughout, and offers direct access to a two-car garage. It also holds an active short-term rental permit. one that has historically generated approximately $45,000 in gross income across 3 months of June, July, and August alone. Recent upgrades include a brand-new bright white shower in the guest bath, an updated master bath, and full replacement of the original cast-iron drain lines with ABS. The rear unit has been tastefully remodeled with twin bedrooms opening to a light-filled kitchen and living area that spills onto a private rooftop balcony. Perfect for catching ocean breezes, now enhanced by a brand-new mini-split system and whole-house fan. New flooring and a clean, contemporary tile bath complete the space. How you use it is up to you: -Owner-occupants can settle into the 3-bed front house and lease the rear unit to help offset carrying costs. -Investors can run the front house as a proven short-term rental while placing a long-term tenant in the rear unit for income on day one. -Visionaries can hold the property for cash flow while pursuing entitlements and permits for a brand-new build on one of Newport Beach's most desirable islands. However you choose to play it, this is a rare opportunity to own a cash-flowing asset on Balboa Island with a clear path to even greater upside. Don't miss it.
Listing agent: Nolan Tooley DRE #02127359 nolan@hayescommercial.com, Listing office: Hayes Commercial Group, Inc.
MLS data updated 10/20/2026, 3:25:57 AM PT
Source: CRMLS, MLS #: SC26185227
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Sep 25, 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
$3,750,000Closed sale · Sep 25, 2026ZIP 92662 · Sep 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.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.