Why the Monthly Payment on a McDonough New Build Isn't the Price It Looks Like

The headline on Starlight Homes' Kendall Grove page in McDonough says you can own a new home "from $1,605/month." The number that explains it sits far down the page in a single paragraph of fine print. That payment assumes a $313,490 purchase price, a 20% down payment, a 640 credit score and an FHA 5/1 adjustable-rate mortgage at 3.75%. It also assumes the buyer uses one of the builder's affiliated lenders, Velocio Mortgage or Trailblazer Mortgage.

That same week, Freddie Mac's survey put the national average 30-year fixed rate at 7.40%.

Builders in McDonough aren't really competing on price this fall. They're competing on the monthly payment. Much of the discount they offer goes into the loan, where Henry County's sales statistics can't see it. If you're weighing a new build against a resale home, you're comparing two different kinds of number.

What the $1,605 actually covers

Starlight's disclosure is clear about what the payment includes and leaves out. Here's how the headline and the terms line up, based on the Kendall Grove fine print as written in October 2026:

Two lines in that table matter most. The 3.75% note rate and the 7.62% APR sit far apart, and the APR is the figure to keep in view when comparing this loan with others. And once the five-year fixed period ends, the rate resets to an index plus a 2.00 margin. The disclosure lists that index at 3.69 as of November 19, 2025. The Consumer Financial Protection Bureau explains that an ARM's introductory rate may be lower than a fixed rate and then adjust at regular intervals, and that monthly payments are likely to rise within the loan's caps.

As of October 29, this offer has two days left. The pattern behind it lasts much longer than the offer.

Henry County's median price can't see any of this

The September 2026 Local Market Update for Henry County from Georgia REALTORS shows a median single-family sales price of $344,800, up 1.4% from September 2025. On its own, that reads as a stable, slightly rising market.

The other lines in the same report point elsewhere. For September 2026 compared with September 2025:

• Closed sales fell 12.7%, from 275 to 240.
• Pending sales fell 10.5%, from 276 to 247.
• Inventory rose 7.7% to 1,350 homes, or 5.2 months of supply.
• The average sales price fell 5.1%, from $378,286 to $359,089.
• Sellers received 97.7% of list price, down from 98.1%.

Fewer sales, more supply and a falling average usually mean prices are softening. The median still edged up. One reason they can sit side by side is printed at the bottom of the report's table. The Georgia REALTORS update says its price figures "do not account for sale concessions and/or downpayment assistance."

So if a builder holds the contract price and spends the money buying down your rate, the recorded sale price doesn't change. The county report logs a full-price sale, even though the buyer's payment can run hundreds of dollars below what market financing would produce.

Three builders, three ways to lower what you pay

Starlight isn't the only builder doing this in McDonough. The method varies from builder to builder, which is why a side-by-side look at the offers is useful. All of the following were advertised in mid-October 2026:

At Hawthorne Ridge, Pulte listed a five-bedroom, 2,622-square-foot quick-move-in home at $425,146, down from $511,361. That's the $86,215 the page calls savings. This is the one discount on the list that would show up in a recorded sale price. The ARM attached to it is fixed for seven years, and then the rate and payment adjust every six months. The promotion's deadline falls before this post publishes, so treat it as a mid-October snapshot.

DRB Homes' Atlanta disclosure is the most flexible of the three. Its headline says "up to $50,000," but that cap applies to Brighton in Locust Grove and Grandview at Millers Mill in Stockbridge. In McDonough, the builder's contribution is capped at:

• Up to $40,000 at Bowers Farm single-family homes, Cooper Park and Trinity Park
• Up to $25,000 at Brush Arbor and Silverock
• Up to $15,000 at Avery Landing and Bowers Farm Townhomes

The buyer decides how the DRB credit is used. It can go toward closing costs, points that lower the rate for the life of the loan, a temporary reduction in payments during the first year or years, or a mix. Only the price itself stays fixed, and that's the number the county statistics record.

What the subsidy is worth each month

Here's a rough sense of scale using Starlight's own example. A $313,490 price with 20% down leaves a loan of about $250,800. By our arithmetic, principal and interest at 3.75% over 30 years come to roughly $1,160 a month. The same loan at Freddie Mac's 7.40% average for the week of October 15, 2026 comes to roughly $1,735. That's a gap of about $575 a month during the fixed period, before taxes, insurance or anything else.

This comparison has limits. Freddie Mac's figure is a weekly national average, not a quote for an FHA loan or for any particular buyer. And the 3.75% lasts five years, not thirty. Even so, it shows why a monthly payment ad and a resale list price can't be compared directly. One already includes a financing discount. The other doesn't.

What this means for a resale listing

A McDonough homeowner listing a resale home this fall is up against more than other resale homes nearby. They're up against a payment that a builder is subsidizing with a pool of locked-in rate funds.

The county numbers show how that plays out. Georgia MLS's Henry County single-family table shows an average sold price of $360,280 in September 2026. The current active listings in the same table average about $419,798 in list price. Asking prices are running well ahead of what has actually sold. With 5.2 months of supply on the market, buyers have time to compare.

Financing help isn't limited to builders. The CFPB's guidance on disclosures uses a seller-paid temporary buydown as an example, where the seller subsidizes the buyer's payments for the first two years of the loan. Whether that makes sense for a particular sale depends on the loan, the lender and the numbers. When a resale seller sets a price, the real comparison is the buyer's monthly payment at a new build down the road.

Questions to ask before comparing any two homes

The CFPB recommends that ARM shoppers check how often the rate adjusts, how soon payments can rise, what the caps are, and whether they could afford the highest payment the loan allows. Before you compare a new build with a resale home, it helps to put both on the same footing:

1. What's the contract price, separate from the payment? That's the figure an appraisal and future comparable sales will reflect.
2. What rate, and for how long? A five-year fixed period and a seven-year one are very different offers.
3. What does the ad leave out? At Kendall Grove, mortgage insurance, HOA dues and CDD fees are all extra.
4. Does the incentive depend on a particular lender? The CFPB notes that builders often have an associated lender, but buyers aren't required to use it and have the right to shop around. DRB's disclosure says the same thing in capital letters, even though its incentive requires an approved lender.
5. If it's points, how much rate does each point buy? The CFPB says the reduction depends on the lender, the loan type and the market, so it's worth comparing offers.

Builder offers change quickly. Every offer above was advertised in mid-October 2026, and Starlight and DRB both say their terms can change without notice. This post is general information, not financial, legal or tax advice. Confirm loan terms and costs for your own situation with a licensed lender and the right professionals.

If you're weighing a new build in McDonough against a resale home and want help setting the two payments side by side, ATL Property Pro can walk through the offer terms with you and your lender before you sign anything. Schedule a Free Consultation and bring the fine print with you.