Flood Mitigation Assistance Program
Fix Yard Drainage and Reduce Flood or Sewer-Backup Risk.
- Run by
- Fairfax County Department of Public Works and Environmental Services
- Service area
- Eligible Fairfax County properties. Town of Vienna, Town of Herndon, and City of Fairfax are excluded from the county program.
Program at a glance
- Benefit
- Cost share: 50% of eligible expense.
- Who
- Eligible Fairfax County properties. Town of Vienna, Town of Herndon, and City of Fairfax are excluded from the county program.
- Where
- Eligible Fairfax County properties. Town of Vienna, Town of Herndon, and City of Fairfax are excluded from the county program.
- Qualifying project
- Fix Yard Drainage and Reduce Flood or Sewer-Backup Risk.
Quick check
Do the main rules appear to fit?
Your answers stay in this page session. The program makes the final decision.
Answer each question for a cautious result.
The rules remain visible here even if the interactive check is unavailable.
The finished result
What project qualifies?
An approved project reduces runoff, standing water, basement flooding, sewer backup, or repeated flood loss.
An approved project reduces runoff, standing water, basement flooding, sewer backup, or repeated flood loss.
Fix Yard Drainage and Reduce Flood or Sewer-Backup Risk
An approved project reduces runoff, standing water, basement flooding, sewer backup, or repeated flood loss.
See the full project guide →What the project may require
A product can be one part of the work. The approved project, timing, design, and proof control.
Complete the approved property project
requiredCreates the finished outcome the program supports.
Fix Yard Drainage and Reduce Flood or Sewer-Backup Risk.
Official path: official page
How to apply or check the program
- 1
Confirm the property
Verify the service area, account, ownership, applicant, and property type with Fairfax County Department of Public Works and Environmental Services.
- 2
Open the current official program source
Use the official program link below.
- 3
Collect the before-project evidence
Required permits. Approvals. And owner authorization.
- 4
Get approval when required
The reviewed official sources do not settle preapproval. Ask the program before purchasing or starting work.
- 5
Complete only the approved scope
Keep design changes and material substitutions in writing.
- 6
Submit the completion package
Application. Itemized receipts and invoices separating materials and labor. Proof of payment. Before and after photos. W-9.
Details to confirm
- This program normally reimburses after listed work is complete, unlike most preapproval-first programs.
- Municipal exclusions matter even within the broader county geography.
- Do not advertise gravel as eligible without project-specific confirmation.
Examples that do not qualify
- Buying gravel, soil, mulch, or another product by itself does not create eligibility.
Questions people ask
Is this a rebate for buying gravel or another material?
No. The program supports the qualifying property project described above. A material purchase matters only when it serves the approved design and follows the program’s payment rules.
Can I start before applying?
The reviewed official sources do not settle preapproval. Ask the program before purchasing or starting work.
Does appearing eligible guarantee funding?
No. Current status, funding, ranking, inspection, and final approval can still affect the outcome.
Who decides whether a material substitution qualifies?
The program or its designated designer. Ask Fairfax County Department of Public Works and Environmental Services to approve the exact substitute in writing before ordering.
Last verified 8/11/26
Official sources
Use these official sources for current rules, availability, and application details.
- Flood Mitigation Assistance Program official source 1 — fairfaxcounty.gov
- Flood Mitigation Assistance Program official source 2 — fairfaxcounty.gov
- Flood Mitigation Assistance Program official source 3 — fairfaxcounty.gov
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