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    12-1417 12 Ave Keaau, HI 96749

    Sponsored
    For Sale
    $450,000

    MULTI_FAMILY - Keaau, HI

    Property size:
    917 SF
    Lot size:
    2.00 Acres
    Days on Market:
    9
    Last Refresh:
    Feb 20 at 11:06 am

    Property Features for 12-1417 12 Ave

    General Information

    Special listing conditions
    Standard
    Property type
    Residential Multi Family
    Property subtype
    Other
    TransactionType
    Standard
    Standard status
    Active
    Zoning
    A-1A
    Rooms
    Bathroom 2, Bathroom 1, Bedroom 1
    Bedrooms
    1
    Bathrooms
    2
    APN
    3150450340000
    Fireplace
    1
    Appliances
    Refrigerator, Washer/Dryer Stacked
    Size
    917 SF
    Lot size
    2.00 Acres

    Utilities

    Utilities
    Electricity Available
    Sewer type
    Septic Tank

    Building Details

    Year built
    2015
    Flooring type
    Laminate

    We can help!

    Listing Contact
    Jeanna Rimmer

    Hawaii Life Real Estate Brokers (800) 370-3848

    Listing agent Jeanna Rimmer (808) 209-0071

    Listing date Feb 12, 2026

    MLS# 727926 Listing URL

    Copyright © 2026 Hawaii Information Service. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

    Learn more

    Property Insight Report

    Overview

    Two-Acre Keaau Property with Dual Residences

    This unique offering features two side-by-side one-acre parcels, totaling 2 acres, with two separate living spaces. The first parcel includes a fully permitted off-grid home with 1 bedroom and 1 bathroom, designed for comfortable island living. The bathroom has a full-size tub and a separate walk-in shower. The kitchen is equipped with a refrigerator, cooktop, and oven. An enclosed lanai adds approximately 180 square feet of flexible space, suitable for dining, relaxing, or a home office, enhancing the 772 square feet of interior living area. An indoor laundry area provides convenience. The home is supported by a solar power system, a solar hot water heater, a water catchment system, and a septic system. There is also the option to connect to the grid as an alternate power source. A hand-cleared walking trail connects the two parcels. The adjoining lot includes a studio cabin (built without permits) featuring a full bathroom, kitchenette, and covered front lanai, suitable for guests, extended living, or creative use. Each parcel is individually gated, enhancing privacy and usability. The property is being sold As Is, with no items to be removed by the Seller. The total property size is 917 square feet.
    Property Profile Insight Report Location Intelligence

    Current Use by Public Records

    Single family properties

    Map

    City
    Keaau
    County
    Hawaii
    State
    Hawaii
    Longitude
    -154.9806466
    Latitude
    19.60300178

    Nearby Similar for Sale

    • $1,150,000
      2,692 SF

      Income-Generating Dual-Home Property

      Two permitted homes on a 1-acre lot with county water.
      15-1746 23 Ave, Keaau, HI 96749
      View Details

    FAQs

    What type of property is this?
    Single family property - Two acres with permitted off-grid home and unpermitted studio.
    Where is this single family property located?
    The property is located at 12-1417 12 Ave Keaau, HI.
    What is the asking price?
    The asking price for this property is $450,000.
    What are key features of this property?
    This property features: - Two side-by-side one-acre parcels (totaling 2 acres) with two separate living spaces.; - **Fully permitted off-grid home with solar power, solar hot water, water catchment, and septic systems.**; - Main home features 1 bedroom, 1 bathroom (with tub and separate walk-in shower), kitchen, indoor laundry, and enclosed lanai.
    (808) 209-0071
    Request Owner's contact information
    12-1417 12 Ave Keaau, HI 96749
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    Realmo Value Estimations

    Realmo estimates a property’s market value using a proprietary methodology that incorporates public data and user-submitted information. This cumulative value is generated by integrating a variety of conventional and innovative methods. 

    Disclaimer

    These figures are not official appraisals and should not be used as a substitute for a valuation performed by a licensed appraiser.
    Actual market value may differ due to factors not captured in the data. Estimates are offered for informational purposes only, and users should conduct independent research before making financial or investment decisions.
    By using this feature, you acknowledge that Realmo is not responsible for actions taken based on these estimates.

    AI approach

    Realmo AI Method estimates property value using machine learning models trained on millions of comparable listings, transactions, and market signals. It analyzes property features, location intelligence data, and current market dynamics to predict the most probable market value in real time.

    Realmo CapRate Calculation

    Realmo calculates the Capitalization Rate (Cap Rate) to help estimate a property's potential return on investment. The Cap Rate is a fundamental metric in commercial real estate that measures the relationship between a property's net operating income and its market value.

    How We Calculate Cap Rate

    Cap Rate Formula:
    Cap Rate (%) = (Net Operating Income / Property Value) × 100

    Net Operating Income (NOI) Formula:
    NOI = Area × Lease Rate × (1 - Vacancy Rate) × (1 - Operating Expense Ratio)

    Components

    Net Operating Income (NOI) represents the annual income a property generates after operating expenses:

    • Area: Building square footage from property records
    • Lease Rate: Annual $/sqft based on market data for the property type and geographic location
    • Vacancy Rate: Percentage of unoccupied space based on market data for the property type and location
    • Operating Expense Ratio: Operating costs as a percentage of income, varies by property type

    Property Value is derived from:

    • Recent sale price (if available)
    • Statistical models using comparable sales
    • AI-powered valuation estimates

    Example Calculation

    For a 100,000 sqft Office Building:

    • Lease Rate: $25.00/sqft/year (market data for Office in this area)
    • Vacancy Rate: 8% (market data for Office in this area)
    • Operating Expense Ratio: 35% (typical for Office properties)
    • Property Value: $15,000,000

    Step 1: Calculate NOI

    NOI = 100,000 × $25.00 × (1 - 0.08) × (1 - 0.35)
    NOI = 100,000 × $25.00 × 0.92 × 0.65
    NOI = $1,495,000/year

    Step 2: Calculate Cap Rate

    Cap Rate = ($1,495,000 / $15,000,000) × 100
    Cap Rate = 9.97%

    Property Type Considerations

    Net Operating Income calculations vary by property type due to different operating expense ratios:

    • Office: Higher expenses (30-40%) for HVAC, utilities, maintenance
    • Retail: Moderate expenses (25-35%) for common area maintenance
    • Industrial/Warehouse: Lower expenses (15-25%) for minimal tenant services
    • Multifamily: Moderate expenses (35-45%) including property management
    • Self-Storage: Lower expenses (25-35%) due to minimal maintenance

    Market lease rates and vacancy rates are specific to each property type and geographic location, reflecting local market conditions.

    Disclaimer

    These calculations are estimates for informational purposes only and should not be used as a substitute for professional financial analysis or appraisal.

    • Cap Rate calculations depend on market data that may change over time
    • Actual operating expenses, lease rates, and vacancy rates may differ from market averages
    • Individual property conditions, lease terms, and tenant quality significantly impact actual NOI
    • Property value estimates are approximations and not official appraisals
    • Cap rates vary widely by market, property condition, and investment risk profile

    Professional Guidance Recommended: Before making any investment or financial decisions, consult with licensed appraisers, commercial real estate brokers, and financial advisors who can evaluate your specific property and circumstances.
    By using this feature, you acknowledge that Realmo is not responsible for investment decisions or actions taken based on these estimates.

    Cap approach

    Capitalization Method calculates value based on estimated net operating income (NOI) and applying a market-based capitalization rate (cap rate), we estimate what a typical investor might be willing to pay for it.

    Comparable approach

    Comparable estimate is based on recent sales of similar nearby properties, adjusted for factors like size, condition, and location.

    Relative

    Relative property class coefficient uses factors that account for typical price differences between various asset types (e.g., retail vs. industrial) to provide a more accurate market-aligned estimate.

    Geo

    Comparable Sales Method, enhanced by Geo coefficients — location-based adjustment factors that reflect differences in price levels across neighborhoods, cities, or regions ensuring a more accurate, market-sensitive valuation.

    Stat Estimate

    This method estimates value based on actual market adjusted recent (~5 years) sales of comparable properties around by location and property type.

    • Ranges - area data calculated by industry standard IQR Outlier Removal Method
    • Range-from: 75% of all similar sales ($/sqft) are above this value
    • Range-to: 75% of all similar sales ($/sqft) are below this value
    AI Estimate

    This method estimates value based on AI market estimation of comparable properties around by location and property type.

    • Ranges - area data calculated by industry standard IQR Outlier Removal Method
    • Range-from: 75% of all estimations ($/sqft) are above this value
    • Range-to: 75% of all estimations ($/sqft) are below this value
    Alternative use

    Estimate considers the property’s potential value if used for a different purpose-based on zoning, demand, and market feasibility.

    More about this property
    12-1417 12 Ave Keaau, HI 96749
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    We can help!
    Listing Contact
    Jeanna Rimmer
    (808) 209-0071
    Learn more
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