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54-333 Union Mill Rd, 
Kapaau, HI 96755

$2,200,000


5

Beds


4

Baths


4,017

Sq Ft


Single Family


Virtual Tour

Active

Listed by

Andrew Jay Nonaka

Kahea Ng

eXp Realty

808-725-2794

Last updated:

December 3, 2025, 12:33 PM

MLS#

725499

Source:

HI HIS

About This Home

54-333 Union Mill Rd

Step into the timeless elegance of the Union Mill Plantation Manager’s Estate, a beautifully restored 1885 historic residence set on 1.34 acres of manicured, park-like grounds. Surrounded by century-old cypress trees, royal palms, and lush gardens, this stately home is one of North Kohala’s most significant architectural treasures.

Offering 5 bedrooms, 3.5 baths, and over 4,000 sq ft of living space, the home features classic plantation-era craftsmanship, soaring ceilings, wood details, and gracious rooms oriented toward serene garden views. Listed on the State Historic Register, the property can potentially benefit from exceptionally low real property taxes (approximately $200/year)—a rare advantage for an estate of this scale and history, Buyer to do their own due diligence.

The compound spans two TMKs, so there is an option to build another residence and also includes multiple historic structures: the original caretaker’s cottage, a garage/workshop, and a separate storage building. Zoned RS-15, the property offers space, privacy, and a timeless sense of place. Modern conveniences blend seamlessly with its historic charm: county water, overhead power, cable TV, satellite service, fiber-optic internet, and wireless options are all available.

Located on quiet, private Union Mill Road, the estate is ideally positioned between Hawi and Kapaʻau—just minutes to markets, restaurants, schools, and all the beloved amenities of North Kohala.

Rarely does a home of this caliber become available. This is an opportunity to own a beautifully preserved piece of Hawaiʻi’s sugar-era history—an iconic plantation estate that is truly one-of-a-kind.

Home Facts

Single Family

4 Baths

5 Bedrooms

Built in 1886

Price Summary

2,200,000

$547 per Sq. Ft.

MLS #:

725499

Last Updated:

December 3, 2025, 12:33 PM

Added:

a month ago


Rooms & Interior

Bedrooms

Total Bedrooms:

5

Bathrooms

Total Bathrooms:

4

Full Bathrooms:

3

Interior

Living Area:

4,017 Sq. Ft.


Structure

Structure

Building Area:

4,017 Sq. Ft.

Year Built:

1886


Lot

Lot Size (Sq. Ft):

58,370


Finances & Disclosures

Finances

Price:

$2,200,000

Price per Sq. Ft:

$547 per Sq. Ft.

Source:HI HIS
Listing information © 2021 MLS Hawaii, Inc. IDX information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by the MLS. The MLS may, at its discretion, require use of other disclaimers as necessary to protect participants or the MLS from liability.

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Contact an Agent

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By clicking Contact I agree a Coldwell Banker Agent may contact me by phone or text message including by automated means and prerecorded messages about real estate services, and that I can access real estate services without providing my phone number. I acknowledge that I have read and agree to the Terms of Use and Privacy Notice.