821 Kainui Dr, Kailua, HI, 96734
About This Home
821 and 823 Kainui Drive … A rare opportunity to own a canal front single-family home on a nearly 10,000 sq. ft. R-5 zoned lot, featuring a legal ohana unit - each with its own utility meters and address - tucked along the peaceful Kawainui marsh side of Kainui Drive, “Duck Road.” The main home offers an expansive single-level floor plan (approx 2,386 sq. ft. of interior living), including 3 generously sized bedrooms, 3 bathrooms, a study, family room, living room, dining area, enclosed lanai, as well as a spacious recreation room/studio with kitchenette and its own private entrance and courtyard. Upstairs, the 'ohana unit (823 Kainui Dr – approximately 800 sq. ft. interior) includes 2 bedrooms, 1 bathroom, and a covered lanai. Take in stunning sunsets over the Ko'olau Mountains from the multiple tranquil outdoor areas, unwind in the inviting pool and spa, or enjoy a paddle out to Kailua Bay. The possibilities are truly endless.
Getting Around
Car-Dependent
Some Transit
Somewhat BikeableSchools
Construction
Condition
- Property condition: Good Condition
- Year built: 1955
Materials
- Construction materials: Double Wall,Single Wall,Wood Frame
Type & Style
- Home type: MultiFamily
- Architectural style: Detached,Multi-Family,Multiplex
- Property subType: Single Family Residence
Interior
Bedrooms & Bathrooms
- Bedrooms: 5
- Bathrooms: 5
- Full bathrooms: 5
Features
- Flooring: Carpet,Ceramic Tile,Laminate
Interior Area
- Total structure area: 3,689
- Total interior livable area: 3,186 sqft
Property
Details
- Parcel number: 1430820140000
- Zoning description: 05 - R-5 Residential District
- Special condition: None
Features
- Levels: One,Two
- Stories: 1
- Pool features: In Ground,Pool/Spa Combo
- Has view: Yes
- View description: Canal,Garden,Mountain(s)
- Has water view: Yes
- Water view: Canal
- On waterfront: Yes
- Frontage type: Canal,Waterfront
- Topography of land: Level
Lot
- Features: Other,Level
Parking
- Total spaces: 4
- Parking features: Carport,Driveway,Three or more Spaces,On Street
- Carport: Yes
Climate Risk is Financial Risk
Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.
Biggest Threats for This Home
- Inland Flooding
- Lightning
- Earthquake
- Tsunami
How This Home’s Risks Compare
FEMA Declared Disasters Across Hawaii Counties
Understanding the Costs
Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.
Estimated Costs Today
| Monthly | Annual | |
|---|---|---|
| Mortgage | $12,641 | $151,692 |
| Home Insurance * | $371 | $4,452 |
| Property Taxes | $1,451 | $17,412 |
| Electricity | $1,025 | $12,311 |
| Total | $15,488 | $185,856 |
Income You'd Need if You Spent...
Hawaii FAIR Plan Programs
How Costs Could Change Over Time
Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.
Comparing Against the Market
Price Per Sq Ft
vs Other Active Listings
Avg $/sqft
vs Homes Sold Last Month
Median $/sqft
Current Market Trends
Median Price Per Square Foot
The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.
Historicals for This Listing
Zestimate History ($/sqft)
Price History
| Date | Event | Price |
|---|---|---|
| 2026-04-14 | Listed for sale | $2,625,000 |
| 1998-01-21 | Sold | $10,500 |
| 1997-06-20 | Sold | $375,000 |
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