9 programs · checked October 17, 2026
Yard rebates in Hawaii
9 programs pay Hawaii residents for yard projects, 1 of them open to anyone in the state. 7 list themselves as open now. The largest, Honolulu BWS Residential Rain Barrel Rebate, pays up to $160 per household.
Open to anyone in Hawaii
Statewide programs and tax benefits. Local programs below usually stack on top of these.
- Open
DOFAW State Forestry Nurseries Low-Cost Seedlings
Hawaii DLNR Division of Forestry and Wildlife
Maui: dibble pots $4, 1-gallon $10, 2-gallon $15 each. Hawaii Island: most species $2 each; Italian cypress $4; Koaia and Podocarpus $6. Not free.
Irrigation rebates
- Open
Hawaii Water Service Ka'anapali Smart Controller Rebate
Hawaii Water Service (Cal Water Group)
Up to $125 per controller, not more than the purchase price
Up to $125 per household
- Open
Honolulu BWS Weather-Based Irrigation Controller Rebate
Honolulu Board of Water Supply (Water Sensible Program)
Up to $100 or the pre-tax product cost, whichever is less; limit 1 per applicant
Up to $100 per household
- Open
Honolulu BWS Soil Moisture System Rebate
Honolulu Board of Water Supply (Water Sensible Program)
Up to $35 or the pre-tax product cost; limit 1 per applicant
Up to $35 per household
- Open
Hawaii Water Service Ka'anapali Sprinkler Nozzle Rebate
Hawaii Water Service (Cal Water Group)
Up to $5 per nozzle, not more than the purchase price
- Open
Maui County Water Supply Free Water Conservation Items
Maui County Department of Water Supply
Free items: hose nozzles, hose timers, moisture meters (also faucet aerators, shower heads, toilet tank bags, leak dye tablets). Quantity limits not published.
Rain barrel and cistern rebates
Rebates, discounts and free barrels for catching roof runoff
- Open
Honolulu BWS Residential Rain Barrel Rebate
Honolulu Board of Water Supply (Water Sensible Program)
$40 per rain barrel, limit 4 per applicant
Up to $160 per household
- Ended
Malama Maunalua Wailupe Valley Rain Barrel Program
Malama Maunalua
Free rain barrel and installation; value not published
Rain garden and stormwater rebates
Rain gardens, downspout disconnection, permeable paving and dry wells
- Ended
Malama Maunalua Rainwater Capture Incentive Pilot
Malama Maunalua with City and County of Honolulu Department of Facility Maintenance
Free supplies and installation of rain barrels, rain gardens and native trees; dollar value not published
Cities with their own programs
Each city page lists everything a resident can use, from the city’s own programs to countywide and statewide ones.
Sow is not affiliated with any of these agencies or utilities. Amounts and rules change, often at the start of a fiscal year, so confirm the details on the official page before you start a project. How we research these programs
Plan your Hawaii yard project in Sow
Lay out the new planting on a photo of your yard and keep the plant list in one place, ready for the application.