Understanding the Contractor Bid Process in New Hampshire

The contractor bid process in New Hampshire governs how construction and trade work is formally priced, awarded, and contracted — whether for a private residential project or a publicly funded infrastructure job. The process differs significantly between private and public sector work, with public contracts carrying statutory requirements that private bids do not. Understanding how bids are structured, evaluated, and accepted is essential for contractors seeking work and for property owners and public agencies awarding it.

Definition and scope

A contractor bid is a formal offer to complete a defined scope of work at a stated price, submitted in response to a project invitation or solicitation. In New Hampshire, bids function as the primary mechanism by which construction contracts are initiated, and they are subject to different regulatory frameworks depending on whether the contracting party is a private entity or a government body.

For public projects, New Hampshire RSA Chapter 21-I and procurement rules administered through the New Hampshire Department of Administrative Services set binding requirements for competitive bidding thresholds, bid bond requirements, and award procedures. Private sector bids are governed primarily by contract law under RSA Title XXXI (Trade and Commerce) and the terms negotiated between parties.

The bid process intersects directly with New Hampshire contractor license requirements, since unlicensed contractors are generally ineligible to bid on regulated trade work. It also connects to New Hampshire contractor bonding requirements, as bid bonds and performance bonds are frequently required conditions for bid submission.

Scope and coverage limitations: This page covers bid process structures applicable within New Hampshire's jurisdiction. Federal procurement rules — including those under the Federal Acquisition Regulation (FAR) — apply to federally funded projects and are not covered here. Interstate bid disputes or contracts primarily governed by another state's law fall outside this scope.

How it works

The bid process in New Hampshire follows a structured sequence that varies in formality between public and private projects.

Public sector bid sequence:

1. Solicitation issuance — The public agency issues an Invitation for Bid (IFB) or Request for Proposals (RFP), defining scope, specifications, and submission deadlines.
2. Prebid conference — Many public contracts include a mandatory or optional prebid site walk, typically documented in meeting minutes distributed to all registered bidders.
3. Bid preparation — Contractors compile labor, material, subcontractor, and overhead costs. Bid bonds — typically 5% of the total bid amount — are required for New Hampshire public construction projects above specified thresholds (NH DAS Procurement).
4. Sealed bid submission — Bids are submitted in sealed form by the stated deadline. Late bids are rejected without review under standard public procurement rules.
5. Public bid opening — Bids are opened publicly and read aloud. Bid tabulations are made available as public records.
6. Award determination — For IFBs, the award goes to the lowest responsive and responsible bidder. For RFPs, technical scoring and price are both evaluated.
7. Contract execution — The awarded contractor executes a formal contract, typically accompanied by performance and payment bonds.

Private sector bidding follows a less formalized path. Property owners may solicit bids informally, accept verbal proposals, or use negotiated contracts rather than competitive bidding. The legal enforceability of a bid in private construction depends on whether an offer has been accepted and consideration exchanged — as governed by standard New Hampshire contract law.

For contractors operating across New Hampshire general contractor services and specialty trades, the distinction between lump-sum bids, unit-price bids, and cost-plus proposals affects risk allocation and cash flow management.

Common scenarios

Residential private bidding: A homeowner solicits bids from 3 contractors for a roofing replacement. Each submits a written proposal with itemized pricing. No statutory competitive bidding rules apply. The homeowner selects based on price, references, and licensing status. Reviewing a contractor's standing through New Hampshire contractor verification tools is standard practice at this stage.

Municipal public works bidding: A town seeks bids for a road reconstruction project. Under New Hampshire RSA 447:16, contracts for public works must include a payment bond when the contract value exceeds $35,000 (RSA 447:16, NH Legislature). Bidders must hold appropriate licenses, and the bid package specifies prevailing wage obligations where applicable under New Hampshire contractor prevailing wage rules.

Design-build RFP: A state agency issues an RFP for a design-build facility project. Unlike a sealed IFB, this process evaluates qualifications and design approaches alongside price. Best-value scoring replaces lowest-bid-wins logic.

Subcontractor bidding: General contractors solicit sub-bids from specialty trades — electrical, plumbing, HVAC — when preparing their own bid package. Sub-bids are typically held confidential until the prime contract is awarded.

Decision boundaries

Competitive bid vs. negotiated contract: Public contracts above New Hampshire's small purchase thresholds require competitive bidding. Private contracts have no such mandate — negotiated agreements are equally enforceable.

Responsive vs. non-responsive bids: A bid is responsive if it conforms to all material requirements of the solicitation. Missing a bid bond, omitting required certifications, or failing to acknowledge addenda renders a bid non-responsive and subject to rejection.

Responsible bidder determination: Even a low, responsive bid can be rejected if the bidder is deemed non-responsible — meaning the agency has documented evidence the contractor lacks the capacity, financial stability, or licensing to perform. This determination must be documented and is subject to challenge.

Licensed vs. unlicensed bidder eligibility: Contractors without the required license classifications under the New Hampshire Office of Professional Licensure are ineligible to bid on regulated trade work. Bid submissions from unlicensed contractors on licensed-trade projects are non-responsive by default.

Bid protests — formal challenges to award decisions — are handled differently in public versus private contexts. Public bid protests in New Hampshire follow agency-specific protest procedures, and ultimately may be escalated through the courts. Private bid disputes fall under general contract and New Hampshire contractor dispute resolution frameworks.

References

• New Hampshire Department of Administrative Services – Procurement
• New Hampshire RSA Title XXXVII, Chapter 447 – Liens and Payments on Contracts
• New Hampshire Office of Professional Licensure and Certification (OPLC)
• New Hampshire General Court – RSA Full Text Search
• New Hampshire Department of Labor – Construction and Prevailing Wage