Construction Delivery Methods Explained

How you contract for a project shapes how it gets designed, priced, and built. This is a plain-language reference to the delivery methods you are most likely to encounter, and when each one tends to fit. None of them is universally best. The right choice depends on your priorities around cost certainty, speed, and how much coordination you want to manage yourself.

Design-bid-build

The traditional path. You hire an architect to complete a design, then put that design out to contractors who bid on it, and you award the work, usually to a low bidder. It gives you a complete design to price against and a clear competitive bid, which owners and public projects often value. The tradeoffs are time, because design finishes before pricing starts, and the risk that gaps between the drawings and field conditions turn into change orders once construction begins.

Design-build

Design and construction sit under a single contract, so one team is accountable for both. This tends to compress the schedule, because construction planning can start before design is fully complete, and it reduces the finger-pointing that happens when the designer and builder are separate contracts. The tradeoff is that you are placing more trust in one team, so who that team is matters more than in any other method.

Construction manager at risk

Often shortened to CM-at-risk. A construction manager joins during design to advise on budget and constructability, then takes on the risk of delivering the project, frequently under a guaranteed maximum price. You get early cost and buildability input while the design is still flexible, plus a cap on your exposure. It works well on larger or more complex projects where catching problems early is worth bringing the builder in during design.

Negotiated guaranteed maximum price

A guaranteed maximum price, or GMP, is a ceiling on what the project will cost. The owner and contractor negotiate the scope and the cap together, and savings below the cap are typically shared or returned to the owner per the contract. A negotiated GMP fits owners who value a relationship and cost certainty over a purely competitive low bid, and who want the builder engaged early rather than handed a finished set of drawings.

Which one fits

If you value a complete design and a competitive bid, design-bid-build fits. If speed and single-point accountability matter most, design-build fits. If your project is large or complex and early cost and constructability input is worth it, CM-at-risk fits. If you want a collaborative relationship with a cost ceiling, a negotiated GMP fits. Most owners benefit from talking through the tradeoffs with a contractor before committing, because the right method depends on your specific scope, schedule, and appetite for coordination.

We are a licensed and insured general contractor serving the greater Houston area, and we work with owners across these methods. If you are deciding how to structure a project, we are glad to walk through which approach fits your scope and your timeline.