Baltimore County - Property Tax Credit for Solar and Geothermal Devices (Maryland)

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Last modified on February 12, 2015.

Financial Incentive Program

Place Maryland

Name Baltimore County - Property Tax Credit for Solar and Geothermal Devices
Incentive Type Property Tax Incentive
Applicable Sector Residential, Multi-Family Residential
Eligible Technologies Solar Water Heat, Solar Space Heat, Photovoltaics, Geothermal Heat Pumps
Active Incentive Yes

Implementing Sector Local
Energy Category Renewable Energy Incentive Programs
Amount Allocated budget for these credits has been met. New applications will be placed on a wait list that extends to at least July 2024.

50% of eligible costs

Equipment Requirements Systems must meets national safety and performance standards set by a nationally recognized testing laboratory for that type of device

Maximum Incentive Heating System: 5,000

Hot Water Supply System: 1,500
Electricity Generation: 5,000
Cooling: 5,000

Program Administrator Baltimore County Office of Budget and Finance

Date added to DSIRE 2011-11-07
Last DSIRE Review 2014-08-04

References DSIREDatabase of State Incentives for Renewables and Efficiency[1]


The total volume of credits awarded through this program has exceeded the annual budget of $250,000. There is a wait list for new applicants seeking credits that extends until at least July 2024.

The state of Maryland permits local governments (Md Code: Property Tax § 9-203) to offer property tax credits for energy conservation devices if they choose to do so. In November 2010 Baltimore County enacted legislation offering property tax credits for solar and geothermal energy conservation devices installed in residential buildings. Eligible solar devices include that those heat or cool a structure, generate electricity for use in a structure, or provide hot water for use in a structure. Eligible geothermal devices may be used to heat or cool a structure or provide hot water for use in a structure.

The amount of the property tax credit is set at the lesser of 50% of the cost of the system or $5,000 for heating devices and $1,500 for devices which supply hot water. The authorizing legislation does not specify the maximum credit for devices which generate electricity (i.e., photovoltaic systems) or which provide energy for cooling needs. The credit claimed during any year may not exceed the amount of county property taxes owed during that year, and excess credits may be carried forward for up to 2 additional years. Costs must have been incurred during the 12 months prior to the initial application for the credit. The total volume of credits granted during any fiscal year may not exceed $250,000. If successful applications exceed this aggregate limit during a given fiscal year, they will be granted during the next fiscal year or years in the order received. Applications must be filed on or before June 1 of the year immediately preceding the first taxable year for which the property tax credit is sought.

Incentive Contact

Contact Name Baltimore County - Tax Payer Services
Department Office of Budget and Finance

Address 400 Washington Ave, Room 150

Place Towson, Maryland
Zip/Postal Code 21204-4665
Phone (410) 887-2404


Authorities (Please contact the if there are any file problems.)

Authority 1: Baltimore County Code § 11-2-203.3

Date Enacted 2010-11-19

  • Incentive and policy data are reviewed and approved by the N.C. Solar Center's DSIRE project staff.[1]


  1. 1.0 1.1  "Database of State Incentives for Renewables and Efficiency"