Remodeled Duplex with Split
For Sale
$519,000
15-1477 25TH AVE, Keaau, HI 96749
MULTI_FAMILY - Keaau, HI
Property Size2,392 SF
Lot Size1.00 Acre
Price / SF$216.97
Days on Market139
Property Features for 15-1477 25TH AVE
General Information
Property type
Residential Multi Family
Property subtype
Other
Zoning
A-1A
Bedrooms
4
Bathrooms
3
Full bathrooms
3
Rooms
Bedroom 4, Bathroom 1, Bathroom 2, Bedroom 3, Bedroom 2, Bathroom 3, Bedroom 1
Parking features
Covered, Assigned
Subdivision
HAWAIIAN PARADISE PARK
Standard status
Active
APN
3150381750000
Size
2,392 SF
Lot size
1.00 Acre
Taxes and HOA fees
Tax Year
2025
Tax Annual Amount
2797
Utilities
Utilities
Cable Available
Sewer type
Cesspool
Amenities
split A/C
water catchment
UV water treatment
paved driveway
carport
fruit trees
Building Details
Year built
1981
Flooring type
Carpet, Tile - Ceramic
Listing Agency:
Nathalie Mullinix Realty Universal, Inc.
(808) 261-0350
Listed By:
Nathalie C Mullinix · License #RB-17596
(808) 327-4466
Added: Mar 17
Changed: Aug 1
Last Checked: Aug 2 at 8:06AM
MLS# 728611
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.
Investment Insights
Based on property information with market context.
This two-unit duplex offers a permitted front portion and a rear unit on one property. The 3-bedroom, 2-bath front portion has been recently renovated, including newly installed split A/C in both units. The rear unit (Unit #2) is a 1-bedroom, 1-bath configuration, and is described as an unpermitted addition prior to the seller’s purchase.
Both units include R19 and R13 insulation, designed to help with temperature control. The property also features a new 11,000 gallon water catchment system with ultra violet water treatment for both homes. Interior finishes include carpet and ceramic tile flooring, with covered/assigned parking and a paved driveway plus gravel at the side and behind the carport.
Zoned A-1A, the home sits on a 1-acre lot in Keaau, with convenient access to Hilo while keeping a country feel. Utilities include cable available and sewer service is through a cesspool. Buyer to confirm all details and hold parties harmless for any discrepancies.
Both units include R19 and R13 insulation, designed to help with temperature control. The property also features a new 11,000 gallon water catchment system with ultra violet water treatment for both homes. Interior finishes include carpet and ceramic tile flooring, with covered/assigned parking and a paved driveway plus gravel at the side and behind the carport.
Zoned A-1A, the home sits on a 1-acre lot in Keaau, with convenient access to Hilo while keeping a country feel. Utilities include cable available and sewer service is through a cesspool. Buyer to confirm all details and hold parties harmless for any discrepancies.
Key Highlights
- Zoned A‑1A two‑unit duplex on a 1‑acre lot
- Recently renovated 3‑bedroom, 2‑bath front portion with split A/C installed for both units
- Rear Unit #2 is a 1‑bedroom, 1‑bath unpermitted addition prior to seller’s purchase
Financial Insights For Multifamily LT 5
Simulate Cap Rate and NOI
NOI Build-Up
- Vacancy
- income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
- EGI (Effective Gross Income)
- gross rent minus vacancy losses — the realistic income before paying operating costs.
- OpEx (Operating Expenses)
- recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
- NOI (Net Operating Income)
- income a property generates after operating costs but before financing and taxes.
| Component | $ | $/SF |
|---|---|---|
| Gross rent | $53.1k | $22.20 |
| − Vacancy | −$1.9k | −$0.78 |
| EGI | $51.2k | $21.42 |
| − OpEx | −$15.4k | −$6.43 |
| NOI | $35.9k | $15.00 |
2,392 SF · lease $22.20/SF/yr · vacancy 3.50% · expense 30.00%
Alternative Uses
Best Use
Multifamily LT 5
$512.4K
$448.4K – $597.9K
NOI $35,871 @ 7.0% cap · market cap 6.91%
Second Best
Apartment 5plus
$469.4K
$410.7K – $547.6K
NOI $32,856 @ 7.0% cap · market cap 6.33%
Theoretical Best
Specialty Retail
$816.3K
$714.3K – $952.4K
NOI $57,144 @ 7.0% cap · market cap 11.01%
Zoning and permitted uses should be independently verified with authorities.
Property Analytics
Property Profile
Current Use
Lease Details
Multi-tenant
Tenancy
Location Intelligence
Demographics for 96749, HI
20,503
Population
7,545
Households
2.7
Avg Household Size
42
Median Age
23%
College-Educated
92%
High-School Grad
59.8 sq mi
ZIP Area
343
Density / Sq Mi
$74,633
Median Household Income
$41,366
Median Earnings
$1,268
Median Rent
$396,400
Median Home Value
Market
Vacancy Rate% for Multifamily in West region
Questions? Ask Rey
Realmo’s AI knows this listing — price, zoning, demand, history. Ask anything.
Frequently Asked Questions
What type of property is this?
Duplex - Two-unit duplex on 1 acre zoned A-1A with newly installed split A/C, ceramic tile and carpet, and a paved driveway.
Where is this duplex located?
The property is located at 15-1477 25TH AVE Keaau, HI.
What is the asking price?
The asking price for this property is $519,000.
What are key features of this property?
This property features: Zoned A‑1A two‑unit duplex on a 1‑acre lot; Recently renovated 3‑bedroom, 2‑bath front portion with split A/C installed for both units; Rear Unit #2 is a 1‑bedroom, 1‑bath unpermitted addition prior to seller’s purchase
