DFW Single-Family Lot Development: Opportunities in Collin and Grayson County

The Numbers Don't Lie

The Dallas-Fort Worth metroplex added more residents than any other metropolitan area in the United States between 2020 and 2023 — over 400,000 net new residents across a three-year period. The northern suburban counties of Collin and Grayson, stretching from Frisco and McKinney through Sherman and Denison near the Oklahoma border, are at the epicenter of that growth.

For real estate developers focused on single-family residential land, this is not a story about future potential. It is happening right now, at scale, and the fundamentals that are driving it — corporate relocations, housing affordability relative to other major metros, and significant infrastructure investment — show no signs of reversing.

This article examines the current opportunity in Collin and Grayson County lot development, what it takes to execute profitably, and why a vertically integrated development approach creates the most durable competitive advantage.

Why Collin and Grayson County

Collin County: Established Momentum

Collin County — home to Frisco, McKinney, Allen, Plano, and Prosper — has been one of the fastest-growing counties in the United States for the better part of two decades. The formula is well understood: corporate campuses, high-quality school districts, master-planned communities, and a land supply pipeline that has consistently managed to keep pace with demand.

The data points are striking:

Frisco has been ranked among the fastest-growing cities in the US for more than a decade
McKinney's population has grown from approximately 54,000 in 2000 to over 220,000 today
Collin County's assessed property values have increased by more than 60% since 2019

For lot developers, the key metric is finished lot absorption: major national homebuilders — Lennar, D.R. Horton, PulteGroup, Meritage — continue to acquire finished lots at a pace that outstrips available supply in many Collin County submarkets.

Grayson County: The Frontier Opportunity

Grayson County represents a different kind of opportunity. Anchored by Sherman (population ~47,000) and Denison (~25,000), Grayson County sits approximately 60 miles north of Dallas along the US-75 corridor.

The transformation underway in Grayson County is being driven by a single catalytic event: the Texas Instruments semiconductor fabrication facility, a $30 billion investment announced in 2022 that is expected to bring thousands of direct and indirect jobs to the Sherman area over a ten-year buildout.

The TI announcement has triggered a broader industrial and logistics investment wave in Grayson County, and the residential demand implications are significant. Housing supply in Sherman is thin relative to projected employment growth, and land prices remain a fraction of equivalent Collin County sites.

What Lot Development Actually Involves

Single-family lot development is not simply buying land and waiting. The value creation happens through infrastructure installation — the process of converting raw land into finished, ready-to-build residential lots. That infrastructure includes:

Earthwork — site grading, cut and fill, drainage
Utilities — water, sewer, gas, and electric service to each lot
Streets and paving — roadway construction to municipal standards
Amenities — in master-planned communities, parks, trails, and other common area improvements
Municipal approvals — plat approvals, inspection sign-offs, and acceptance of public improvements

The time from raw land acquisition to finished lot delivery typically runs 18 to 36 months, depending on jurisdiction, infrastructure complexity, and market conditions.

The Vertically Integrated Advantage

Most lot developers rely on third-party contractors for infrastructure installation. This creates three structural disadvantages:

Cost uncertainty — third-party bids are market-priced, and in a hot construction market, costs can escalate materially between bid and completion
Schedule exposure — a subcontractor working on multiple sites has less commitment to your timeline than your own crew
Quality control — work you don't directly supervise is work you can't fully control

A vertically integrated platform — one that self-performs the critical infrastructure components — eliminates these disadvantages. It also creates a cost structure that is difficult for competitors to replicate quickly, because the equipment, crews, and management systems required to self-perform earthwork and utilities represent a real barrier to entry.

Watershed Development Group's North Texas Subdivisions program is built on this vertically integrated model, in partnership with Mitchell Development. We acquire sites, perform our own infrastructure work, and deliver finished lots to national homebuilders with cost certainty and schedule reliability that third-party-dependent competitors cannot match.

Underwriting a Lot Development Deal

The economics of lot development in Collin and Grayson County are compelling, but the underwriting must be rigorous. Key variables include:

Land acquisition cost — per acre and per projected finished lot
Infrastructure cost — per finished lot, with contingency for soil conditions and utility distances
Lot sales price — based on current homebuilder absorption and comparable finished lot transactions
Carrying costs — construction loan interest, taxes, insurance during the development period
Timeline risk — schedule delays compress IRR even when returns are positive at exit

Current (Q1 2025) market data suggests finished lot margins in well-located Collin County projects in the 30–45% range, with Grayson County opportunities offering potentially higher margins given lower land basis — offset by slightly longer absorption timelines.

What Watershed Offers North Texas Lot Developers

Watershed provides development consulting services for land developers and investors pursuing lot development opportunities in the DFW metroplex. Our services include:

Site identification and acquisition underwriting for Collin and Grayson County opportunities
Infrastructure cost estimation and development budget preparation
Municipal process navigation — platting, utility dedication, inspection coordination
Homebuilder relationship management — take-down negotiation and lot sale execution
Capital markets advisory — construction financing and equity structuring for lot development programs

Whether you are a landowner evaluating your options, an investor building a residential land portfolio, or an operator looking to scale your North Texas lot development platform, Watershed has the market knowledge and execution experience to add direct value.

Contact Watershed Development Group to discuss your North Texas development opportunity.