If you are trying to buy or sell in Collin County right now, new construction is impossible to ignore. From outer-ring growth areas to higher-price move-up markets, builders are adding supply, adjusting prices, and giving buyers more choices than they had during the peak frenzy. That can feel confusing when you are also trying to figure out what a resale home is really worth. The good news is that the impact is not the same everywhere, and once you understand where new homes compete most directly, the market starts to make more sense. Let’s dive in.
Collin County Growth Sets the Stage
Collin County is still growing fast. Census QuickFacts estimates the population at 1,297,179 as of July 1, 2025, which is up 21.7% from 2020, and the county recorded 19,082 building permits in 2025. That combination matters because strong population growth supports housing demand, while a high level of new building adds more competition for resale sellers.
The resale market also has a clear value anchor. Census data places the 2020 to 2024 median value of owner-occupied housing units at $475,600 in Collin County. In simple terms, many resale homes are competing in a market where buyers can often compare an existing home with a brand-new one in a nearby community.
Countywide market trackers point to a slower pace than the hottest years. Realtor.com reported a median listing price of $525,000, about 13.7K homes for sale, 43 median days on market, and homes selling for 98% of asking in June 2026, while Redfin showed a median sale price of $474,577 and 49 days on market. The numbers use different methods, but together they suggest a market where buyers have more room to shop.
Why New Construction Affects Resale
Builders are competing differently than many resale sellers. Realtor.com’s first-quarter 2026 new-construction research found that nearly 80% of new-home listings are suburban, and builders have been reducing prices at a higher rate than existing-home sellers while keeping time on market relatively steady. That means a buyer may be able to get a newer home, modern finishes, and builder pricing flexibility without giving up much in timing.
That dynamic fits Collin County especially well because so much of the county’s growth is happening in suburban expansion areas. Where a buyer can choose between a resale home and a nearby new subdivision with a similar commute, the resale home usually needs a strong advantage. That advantage may be location, a better lot, completed updates, or the fact that it is ready right now.
This is why new construction does not automatically lower every resale value. Instead, it tends to put more pressure on resale homes that look easy to replace. If your home feels similar to builder inventory but lacks the freshness or incentives of a new build, buyers may expect a sharper price or better condition.
Entry-Level Markets Feel It First
The clearest pressure often shows up in entry-level and first-time-buyer price ranges. In Princeton, the median sale price was $325,000 over the last three months, and most homes were taking 54 days on market. In Anna, the median sold price was $348,548, with 53 days on market and a 97% sale-to-list ratio.
In markets like these, builder competition can pull attention away from older resale homes that need repairs or cosmetic work. If a buyer is comparing an older home with a new one that offers updated layouts and price cuts, the resale home may need to come in lower on price or offer obvious value in another way. For sellers, this often means pricing discipline matters more than it did a few years ago.
For buyers, these areas can create opportunity. You may find that the difference between a resale home and a new build is smaller than expected, especially if the builder is adjusting price. But you still need to compare the full monthly cost carefully, not just the sticker price.
Move-Up Homes See More Selective Buyers
The middle of the market is often more insulated, but it is still influenced by new supply. McKinney had a median listing price of $525,000 with 43 days on market, while Plano’s median listing price was $553,500 with 37 days on market. These are not identical markets, but both show that buyers in this range are still active and often more selective.
McKinney’s 2026 affordability study adds helpful context. It found that 57% of homes sold in 2024 to 2025 were priced above $500,000, and only 2% were below $300,000. That tells you a large share of the market sits in price bands where buyers may compare resale options against nearby builder communities.
In this range, resale homes often hold up better when they offer features that are harder to duplicate quickly. A mature lot, established streetscape, completed landscaping, and recent interior updates can all help. Sellers who assume buyers will overlook dated finishes simply because the home is in a desirable part of town may find the market less forgiving than before.
Higher-End Areas Compete Differently
At the premium end of the market, new construction still matters, but the conversation changes. Frisco had a median listing price of $731,000 and a median sold price of $593,000 with 36 days on market. Prosper had a median listing price of $825,000 and a median sold price of $744,937 with 44 days on market, while Celina had a median listing price of $564,990 and a median sold price of $490,894 with 50 days on market.
In these higher price points, resale value is less about sticker price alone. Buyers often weigh lot size, finish quality, neighborhood maturity, and overall setting more carefully. A well-located resale home with strong updates and a more established feel can still stand apart, even when new construction is active nearby.
This is one reason new construction is not depressing values across all of Collin County in the same way. In established areas with limited lots and mature amenities, resale homes can remain more resilient. In outer-ring areas where builders can deliver similar product quickly, appreciation may be capped more easily and days on market may stretch.
What Buyers Should Watch Closely
If you are buying in Collin County, your best question is not “Which home has the lower list price?” It is “Which home gives me the better overall value for my monthly budget and timeline?” A new home may offer lower maintenance and potential energy savings, but your actual cost still depends on taxes, HOA or PID costs, lot premiums, and upgrade selections.
A resale home may offer more space for the price, a better location, or a move-in-ready package with improvements already completed. In some cases, the resale option also gives you a more established setting and a lot that may be hard to match in a brand-new subdivision. The right choice depends on what matters most to you, not just what looks newest online.
When you compare options, focus on:
- Total monthly payment
- Days on market and local competition
- Condition and update level
- Lot size and location within the community
- Expected maintenance in the first few years
- Any extra costs tied to the property or neighborhood
What Sellers Need to Know Now
If you are selling, the biggest mistake is pricing your home only against recent resales and ignoring nearby builders. That is especially important in the same school district and price band, where buyers are likely making direct side-by-side comparisons. If a builder is cutting prices or offering attractive terms, your home needs a clear reason for a buyer to choose it.
Countywide, 28.2% of Collin County listings had price drops. That tells you buyers have options and are willing to wait for the right fit. Overpricing can cost you valuable early momentum, especially if your home competes with newer inventory nearby.
The strongest resale listings usually do a few things well:
- Price realistically from day one
- Highlight updates and true move-in readiness
- Emphasize lot, location, or established-community advantages
- Present the home cleanly and professionally
- Make it easy for buyers to see the difference between your home and builder inventory
This is where local guidance matters. A countywide average will not tell you how much leverage a nearby new-home community has over your specific listing. You need a neighborhood-level comparison that reflects what buyers are actually seeing right now.
The Bottom Line for Collin County
New construction is shaping resale values in Collin County, but not in a simple, one-size-fits-all way. It tends to create the most pressure in outer-ring entry-level and move-up areas where builders can offer similar homes, fresh finishes, and price adjustments. In more established and supply-constrained pockets, resale homes often stay more competitive because they offer features that are harder to recreate.
If you are buying, this market can create more choices and better negotiating opportunities. If you are selling, success often comes down to smart pricing, honest positioning, and knowing exactly how your home stacks up against both resale and builder competition. When you understand that local balance, you can make stronger decisions with more confidence.
If you want help comparing resale versus new construction or pricing a home in today’s Collin County market, Rosie Carrasco Cox offers experienced, bilingual guidance with a personal, full-service approach.
FAQs
How is new construction affecting resale home values in Collin County?
- New construction is not affecting every area the same way. It tends to put more pressure on resale prices and days on market in outer-ring areas where buyers can easily compare older homes to nearby new builds.
Are resale homes still competitive with new builds in McKinney and Plano?
- Yes, but buyers are more selective. In these move-up markets, resale homes tend to compete best when they offer strong locations, mature lots, completed updates, or immediate move-in convenience.
What should Collin County buyers compare between a resale home and a new construction home?
- You should compare total monthly cost, property condition, location, lot quality, expected maintenance, and any added costs such as HOA, PID, lot premiums, or upgrade charges.
Which Collin County areas feel builder competition the most?
- Based on the reported price points and market pace, entry-level areas like Princeton and Anna are among the clearest examples of where builder competition can pull demand away from older resale homes.
What should Collin County sellers do before listing near new construction communities?
- Sellers should study nearby builder competition in the same price band and school district, price realistically, and clearly highlight any advantages their home offers over new inventory.
