Our Services

Landscape Consultation

$150.00 per hour includes 1 hour site meeting consisting of advice, ideas, on site analysis + 1 hour for written recommendations, prices, contractor referrals and our proposal; total $300.00 + tax.

Landscape Design & Master Plans

We live in paradise, your backyard should be paradise, too. Designs usually take 50 hours depending on size and intricacy of project.

New Landscape Installations

Whether your backyard needs a pick-me-up, or you'd like to install water features and night lighting, our team can help.

Landscape Renovations

Restore your landscape with a renovation. A “spring cleaning” gets your garden in shape if regular maintenance hasn’t been effective.

Custom Landscape Maintenance

Our team of expert landscapers will help you create and manage maintenance goals to keep your landscape healthy and beautiful all year round.

Sprinkler Installation & Repair

Don't worry about under or over watering. Mulkern Landscaping has been installing and maintaining the best sprinkler systems on Oahu for over 40 years.

Natural Water Features

Over 25 years of experience designing, installing, repairing and cleaning water features, ponds, waterfalls and fountains.

Landscape Lighting

Low voltage landscape lighting installation and repair services are available.

DIY Gardener Assistance

Want to do it yourself but don't know where to start? Ask about Mulkern's DIY assistance program.

Plant Delivery

Paid delivery available when plants purchased at Mulkern Nursery in Waimanalo.


Repairs - $82/Man Hour

Repair and installation available for sprinkler systems, ponds & water features, low voltage outdoor lighting systems. 2 Hour Minimum.

Landscape Consultation - $300

$150.00 per hour includes 1 hour site meeting consisting of advice, ideas, on site analysis + 1 hour for written recommendations, prices, contractor referrals and our proposal; total $300.00 + tax.

Plant Delivery - $59/Man Hour

Island wide curbside delivery. Planting service available. 1 Hour Minimum.

Limited Service Area

Our landscape maintenance, installation, renovation and repair services are available only to East and Windward Oahu customers. Plant delivery service is available on Oahu. Landscape consulting and design services are available throughout the state of Hawaii.

Free Estimates Unavailable

To provide our customers with the highest level of service we do not offer free estimates. Landscape design, maintenance, renovations and installations all start with a 1 hour Landscape Consultation with Kevin or Susan Mulkern while repairs are billed hourly with a 2 hour minimum.

What do our customers say about us?

  • “Kevin, I just love the way the way the water feature turned out, so much nicer than what we had before. In hindsight, I would have done the whole thing differently, but you made my eyesore into a thing of beauty.”

    Valerie M.
    Design & Installation, Kahala
  • “Again, I want to say how impressed I was with your entire operation. I was pretty much sold on our first introduction. Everything happened when promised. Crew showed up dressed in shirt uniforms (that never happens in Hawaii). Everyone was alert and engaging. Even when Kevin was not present, everyone worked with coordinated camaraderie. Communications were superb; I always knew what was happening and when. Great business and I wish you continued success.”

    Richard M.
    Installation, Wilhelmina Rise
  • “We just arrived into town on Sunday. I wanted to let let you know we really appreciate how fabulous the pond looks! It must have just gotten cleaned out as it is crystal clear. We love the new plants and thank you for the additional tiny fish!”

    Karin L.
    Landscape Maintenance, St. Louis Heights
  • “Kevin, thank you for all of the excellent work on my yard, and the thoughtful and helpful comments.”

    Julie K.
    Landscape Design & Installation, Lanikai
  • “I just want to thank you all for the wonderful job. You run a top notch operation and I truly look forward to doing business with you.”

    Noreen K.
    Renovation & Maintenance, Hawaii Loa Ridge
  • “I drove by my Kahala property and I can’t believe the night and day difference in the hedge. Thank you for your excellent diagnosis and help with it.” Consultation in Kahala

    Gloria F.
  • “Thank you! The yard has been looking exceptionally beautiful!”

    Kathy A.
    Design Installation & Maintenance, St. Louis Heights
  • “Mahalo for all your efforts, the garden keeps looking better and better.”

    Connie C.
    Landscape Maintenance Client, Hawaii Kai