Return Policy

Items purchased at our websites (, or, or can be returned within 90 days of receipt of purchase for a full refund.
When you want to return a purchased item, contact us at Include the Order # in the email and the reason for return. We will respond with a RMA number to be included in the return. You are responsible for shipping costs to Concrete Sensors. Ship the unused sensors to Concrete Sensors, 110 Chauncy Street, c/o BOLT, Boston, MA 02111.

Upon receipt of the product, Concrete Sensors will refund the cost to your credit or debit card.