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New Hampshire Residential Purchase Agreement

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Updated June 26, 2025

A New Hampshire residential purchase agreement is a legal document between a buyer and seller for the sale and transfer of real property. The agreement is drafted by the buyer to make an offer detailing the terms of the purchase. This includes the sales price, due diligence period, financing contingencies, and closing date.

State Laws

Seller’s Duties – The seller is legally required to provide the buyer with a property disclosure statement that includes the following:[1]

  • Water Supply – Information relative to the type of private water supply system, its location, malfunctions, date of installation, date of most recent water test, and whether or not the seller has experienced a problem such as an unsatisfactory water test or a water test with notations;
  • Sewage – Information relative to the private sewage disposal system including its location, malfunctions, the date it was most recently serviced and the name of the contractor who services the system; and
  • Insulation – Information relative to the insulation, including type and location.

In addition, the seller must provide a notification to the buyer about the possible presence of radon, arsenic, and lead.[2]

Seller Agent’s Duties – The seller’s agent must disclose to the prospective buyer any “physical, regulatory, mechanical, or on-site environmental condition affecting the subject property of which the licensee has actual knowledge.” This disclosure must be made before the buyer makes a written offer.”[3]

Seller’s Disclosures (4)

Seller’s Property Disclosure Statement (required) – The seller is required to attach the property disclosure statement to the purchase agreement and inform the buyer of specific aspects of the property.

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Buyer’s Notification Disclosure (required) – Prior to executing a purchase contract, the buyer must sign the notification that gives a disclosure of possible radon, arsenic, and lead that is located in New Hampshire and could be on the premises.

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Lead-Based Paint Disclosure (conditional) – If a residence was built prior to 1978, federal law mandates that the seller must give potential buyers a disclosure statement that describes their knowledge regarding the presence of lead-based paint on the property (if any).[4]

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Lead-Based Paint Pamphlet (conditional) – Gives general information about lead-based paint for properties built before 1978.[5]

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Sample

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