TopBuild has helped builders across the US qualify for millions in 45L tax credits.

If TopBuild cannot qualify your homes there is no service charge*

*For projects requiring site verification, inspections require passing rates of 50% or better to apply. Contact TopBuild for further details.


45L Builder New Homes Federal Tax Credit. $2000 per single family and multi family dwelling unit.


The tax credit is claimed by the home builder.


The 45L Tax Credit can be claimed retroactively for homes sold or leased in 2015-2017.


TopBuild offers a national turnkey service which includes software energy modeling, verification of installed energy features and certification.


Contact TopBuild for a free assessment of your projects.

Kathy Howard
Building Science Advisor
(832) 524-5212