Rain gardens and stormwater projects · Maryland

City of Rockville RainScapes Rebate

Run by City of Rockville, administered by Chesapeake Bay Trust

OpenLast checked October 17, 2026
What you get
Rain barrels and cisterns $1/gal; tree $150 each; rain garden $10/sq ft; pavement removal $6/sq ft (to conservation landscaping) or $3/sq ft (to sod); permeable pavers $14/sq ft; conservation landscaping $6/sq ft with soil improvement or $5/sq ft without; green roof $9/sq ft
Maximum
$5,000 per household
Who qualifies
Property owners within City of Rockville (residential, nonprofits, HOAs). Renters cannot apply directly. Montgomery County properties outside the city use the county RainScapes program. Permit-required work not eligible.
Where
Property owners within the City of Rockville; county properties outside the city use the county program.
Status
Open. (open, rolling, first come first served)
Type of payment
Rebate
Official program page

What you do

Install rain barrels, cisterns, native trees, rain gardens, pavement removal, permeable pavers, conservation landscaping or a green roof and get reimbursed.

Requirements

  • Minimums: barrel 50 gal, cistern 250 gal, rain garden 75 sq ft, pavement removal 100 sq ft, pavers 100 sq ft by qualified contractor, conservation landscaping 250 sq ft
  • Trees native, one of #7 pot / 8 ft / 1 in caliper, planted September to May
  • Pre-approval required before installation
  • Signed Property Owner Agreement
  • Itemized invoices; sales tax deducted
  • Lifetime cap $5,000 per property
  • Finish within one year

How to apply

  1. 1Submit online or paper application with Property Owner Agreement
  2. 2Receive approval letter
  3. 3Install project
  4. 4Submit itemized invoices and receipts
  5. 5Final site visit if needed
  6. 6Check arrives in about 4-6 weeks

Timing and deadlines

Review 2-3 weeks; project 2-4 months, up to a year; check 4-6 weeks after approval.

Rolling; 1 year to complete

Combining it with other programs

not published

Sources

Last checked October 17, 2026. See something out of date? Tell us.

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

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