Harford County, Maryland · Tax credit
Solar / Geothermal Energy Property Tax Credit (Harford County)
Run by Harford County Department of the Treasury
One-time Harford County property tax credit of up to $2,500 for a solar or geothermal system; unused credit carries forward two years. Apply by October 1 for the next tax year; later applications count for the year after.
Amounts
How much you get
Up to $2,500 per qualifying device for materials and installation; leased solar limited to costs you paid. County-wide cap of $500,000 a year, first come first served.
Eligibility
Do I qualify?
You need to meet all 2 of these.
Your home is in Harford County, Maryland.
Property owner (the credit is on your property tax bill).
Equipment
What equipment counts
Applying
How to apply
You apply by mail. On or before October 1 before the first tax year. An application received after October 1 counts for the following tax year. File once.
- File the application once, by October 1 before the first tax year sought.
- Include a verified statement of cost.
Stacking
Use it with
Your address
Next steps
Check that it covers your address. Then, if you want, ask for a contractor quote.
Is it available at your address?
Before anything else
Your quote request is in If a contractor we work with serves your ZIP, they can contact you. We take one request per person; contact us to change it.
Get an email if this program changes
We'll write if its amount, status or deadline changes. Nothing else.
FAQ
Questions
How much does Solar / Geothermal Energy Property Tax Credit (Harford County) pay?
Up to $2,500.
Do renters qualify?
Property owner (the credit is on your property tax bill).
What’s the deadline?
Due October 1 each year.
Is it still available?
Yes. It was open when we last checked, on October 27, 2026.
Plain words
Words used on this page
References
Sources
This page is built from these official pages, run by the program itself.
When one of these pages changes, we re-check this page against it.
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