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    New Waianae Multifamily Investment Opportunity Title is generated by Realmo AI

    85-1020 Mill Street, Waianae, HI 96792

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    Claim this Listing
    For Sale
    $1,575,000

    Residential Multi Family, Other - Waianae, HI

    Property size:
    2,400 SF
    Price / SF:
    $656/SF
    Added:
    Mar 6, 2026
    Days on Market:
    76
    Last Refresh:
    May 21 at 11:06 pm

    Property Features for 85-1020 Mill Street

    General Information

    Property type
    Residential Multi Family
    Property subtype
    Other
    Standard status
    Active
    Size
    2,400 SF

    Building Details

    Year built
    2026
    Architectural style
    Other

    We can help!

    Listing Contact
    Tim Murray

    Listing agent Tim Murray License #59289,PersonLicenseNumber

    Listing office NextHome All Islands 45-480 Kaneohe Bay Dr., HI

    Listing date Mar 6, 2026

    MLS# 202605176 Listing URL

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

    HighLights

    • Brand new multi‑family property with two separate 3‑bedroom, 2‑bath units.
    • Strong rental potential with estimated Section 8 vouchers at $3,300 per month per unit (buyer to verify).
    • Each unit has approximately 1,200 sq ft of living space plus a 400 sq ft two‑car garage.
    • Garage spaces offer potential for conversion into additional living area or ADU‑style space (buyer to perform due diligence).
    • Located minutes from iconic Waianae Coast beaches, ocean activities, and sunsets.
    • Modern construction with connection to City water and sewer.

    Overview

    This new multifamily property is located in Waianae and features two separate units, each with 3 bedrooms and 2 bathrooms. Each unit offers approximately 1,200 sq ft of interior living space, plus a 400 sq ft two-car garage. Constructed with modern design, the property is connected to City water and sewer. Each unit provides spacious living areas, functional layouts, and individual garages. The garage spaces offer potential flexibility and may be converted into additional living area or ADU-style space. Located minutes from beaches on the Waianae Coast, the property provides access to ocean activities, sunsets, and the west side lifestyle. Dining and entertainment options are available nearby. According to current housing payment standards, 3-bedroom Section 8 vouchers in the area are approximately $3,300 per month, making this an attractive property for investors seeking strong rental potential. Estimated construction completion is end of June.
    Property Profile Insight Report Location Intelligence

    Current Use by Public Records

    Duplexes

    Map

    City
    Waianae
    County
    Honolulu
    State
    Hawaii
    Longitude
    -158.1859187
    Latitude
    21.4429694

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    FAQs

    What type of property is this?
    Duplex - New multifamily property with strong rental potential near Waianae beaches.
    Where is this duplex located?
    The property is located at 85-1020 Mill Street Waianae, HI.
    What is the asking price?
    The asking price for this property is $1,575,000.
    What are key features of this property?
    This property features: Brand new multi‑family property with two separate 3‑bedroom, 2‑bath units.; Strong rental potential with estimated Section 8 vouchers at $3,300 per month per unit (buyer to verify).; Each unit has approximately 1,200 sq ft of living space plus a 400 sq ft two‑car garage.
    (808) 489-0054
    We can help!
    Listing Contact
    Tim Murray
    Real Estate License ID: 59289,PersonLicenseNumber
    Learn More
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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.

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