No, you are not required to have your own agent to buy new construction in Summerville, Nexton, or Cane Bay, but it usually works in your favor, because the site agent at the model home represents the builder and, in most cases, the builder pays your agent’s fee from its own marketing budget. One catch matters most: your agent generally must register with you on your first visit to the sales center.
That short answer covers the question. The rest of this page covers the parts that actually cost people money: how agent pay works after the 2024 NAR settlement changes, the registration rule that ends representation before it starts, what the builder’s site agent can and cannot do for you, how preferred-lender incentives really work, and how all of it plays out with a VA loan. For the full new-build process from contract to keys, start with the new construction buyer’s guide for the Charleston suburbs. This page goes deep on the one question a sales center will never answer objectively.
Do you need a realtor for new construction, and who pays them?
You do not need your own agent by law, but bringing one usually costs you nothing out of pocket, because in most cases the builder pays your agent’s commission as a marketing expense rather than adding it to your price. Builders budget for buyer-agent compensation the way they budget for model homes and signage, and they will almost never discount the house because you showed up without an agent. Walking in alone does not save you the fee. It just removes the person who was going to be paid to sit on your side of the table.
Here is how the pay mechanics work now, after the 2024 NAR settlement changes:
- You sign a written buyer agency agreement before touring with an agent. It states, in writing, what your agent will be paid and by whom, so you see the number before you commit.
- The builder can still pay that fee, and most active builders in the Charleston suburbs do. Compensation is no longer advertised the old way, so your agent confirms it directly with each builder, in writing, early in the process.
- If a builder offers less than your agreement amount, you have options. Your agent can ask the builder to cover the difference in the deal, or you renegotiate the agreement for that purchase. Either way, have that conversation before you fall in love with a floor plan, not at the contract table.
What does representation actually get you on a new build? Here is the side-by-side.
| What happens | With your own agent | On your own at the sales center |
|---|---|---|
| Who is negotiating for you | Your agent, bound to your interests by a written agreement | Nobody; the site agent is bound to the builder |
| Price, incentives, lot premiums | An independent read on what this builder has been giving other buyers, and where the give is | You see only what the builder chooses to show you |
| The builder's contract | Reviewed by someone who has read that builder's paper before, alongside your SC closing attorney | You sign a builder-drafted contract with only the builder's staff explaining it |
| Inspections and walkthroughs | Your agent pushes for pre-drywall and final inspections and tracks the punch list (the written fix-it list) | You rely on the builder's own quality checks |
| Resale perspective | An honest opinion on which lot and upgrades hold value in that community | The sales office has no reason to talk you out of anything |
| Cost to you | Usually $0 out of pocket; builder pays in most cases | $0, but the price does not drop because you came alone |
General practice in the Charleston-area new-construction market; confirm each builder’s current compensation policy in writing before you rely on it.
Should I tell the builder I have an agent?
Yes, tell the builder on your very first visit, because most builders will only recognize and pay your representation if your agent is registered with you from first contact. This trap catches more buyers than anything else in new construction, so here is how it works.
The sign-in sheet at the model home is not a guest book. It is a registration record. Write your name without listing an agent and many builders treat you as unrepresented from that day forward, and a lot of them will not honor an agent you try to add later. The reasoning is a real-estate concept called procuring cause: in plain language, the builder pays the agent who brought them the buyer, and if their records say you walked in alone, their position is that nobody brought you.
Three ways to get registration right:
- Bring your agent to the first visit. Simplest and cleanest. The agent signs in with you and the record is set.
- If your agent cannot come, have them register you ahead of time. Most builders accept an email or online registration from your agent before you tour. Ask your agent to send it and keep the confirmation.
- If you show up spontaneously, put your agent’s name on the sign-in sheet anyway. Write it on every form and say it out loud. Not as airtight as options one and two, but far better than a blank line.
Already toured a community alone and now want representation there? Ask anyway. Some builders allow an agent to be added within a set window after your first visit, and policies vary builder to builder. Some will say no, and that is the honest answer. The takeaway: decide whether you want representation before your first sales-center visit, not after.
Can the builder’s sales agent represent me?
No, not in the way that word suggests: the site agent at the model home works for the builder, and their duties run to the builder even when they are helping you with paperwork. Most site agents are pleasant, knowledgeable, and genuinely useful. None of that changes who they answer to.
A builder’s site agent can absolutely write up your purchase. What they cannot do is advise you against the builder’s interests. They will not tell you the builder gave the last three buyers a bigger design-center credit, flag that the delay clause has no remedy for you, or suggest you skip the upgrade with weak resale value. That is not a character flaw; it is the job description.
Two structural points that surprise buyers here:
- New-construction contracts are builder-drafted. They are not the standard South Carolina association forms most resale deals use, and they are written to protect the builder on timelines, deposits, and changes. South Carolina closings involve a closing attorney, and pairing that attorney with your own agent is how the contract gets read by people on your side.
- “Unrepresented” does not mean “neutral ground.” Without your own agent, every professional on the sale side (site agent, in-house lender, builder’s preferred closing attorney) was chosen by the builder.
Are there incentives to use the builder’s preferred lender?
Yes, usually, and they can be worth real money, but they are only a good deal if the loan behind them competes, so compare rather than accept or refuse on principle. Builders in the Charleston suburbs commonly offer closing-cost credits, design-center dollars, or rate buydowns conditioned on using their affiliated or preferred lender, and sometimes their preferred closing attorney too.
How to weigh it, in order:
- Get the preferred lender’s full Loan Estimate, not just the headline incentive. The Loan Estimate is the standardized form every lender must give you, so it makes true side-by-side comparison possible.
- Get at least one outside quote from a lender you chose, on the same day if you can, since rates move.
- Compare the whole picture: rate, lender fees, and the incentive together, over the time you expect to own the home. A generous-sounding credit can be paid back through a higher rate within a few years. Sometimes the in-house deal genuinely wins. The point is to know, not guess.
Buying with a VA loan? Add one more check: confirm the preferred lender does real VA volume, because VA loans on new builds have their own appraisal and completion rules. The specifics live at using a VA loan on new construction in South Carolina.
This is general information, not financial or lending advice, and I am not a lender. Confirm numbers and terms with your lender, and for VA specifics, with the VA.
Who pays your agent if you are buying with a VA loan?
Usually the builder pays your agent, exactly as with any other buyer, and when the builder or seller pays that fee it does not count against the VA’s 4% cap on seller concessions, because it is treated as a normal cost of sale. The 4% cap applies to concessions measured against the property’s reasonable value, the figure on the VA Notice of Value, and covers items like a seller-paid funding fee or prepaids, not your agent’s commission (source: VA Lenders Handbook, Pamphlet 26-7, current as of 2026-07-01).
There is also a newer backstop worth knowing. Since August 2024, the VA has allowed a veteran to pay their own buyer-broker fee where needed, in cash at closing rather than financed into the loan, under a temporary local variance (VA Circular 26-24-14, with Change 1 dated 2024-08-05, “valid until rescinded”; source: benefits.va.gov, verified as of 2026-07-01). That variance is temporary, not permanent law, so treat any page claiming it was “made permanent” with skepticism. In practice, on Charleston-area new construction, builder-pays is still the norm and the variance rarely comes into play. The full mechanics, including what happens if a seller refuses to pay, are at who pays the buyer’s agent under a VA loan.
Do you need a realtor for new construction in Summerville, Nexton, or Cane Bay?
The answer is the same in all three markets: not required, usually builder-paid, register on visit one. What changes locally is how easy it is to trip the registration rule, because these communities put multiple builders within a few minutes of each other, and every builder’s sign-in sheet is a separate registration decision. One afternoon of casual model-home touring can close the representation door at three or four builders at once.
Summerville
In Summerville, new construction is spread across many separate communities rather than one master plan, so a single day of touring can mean registering with several unrelated builders. Summerville addressing also spans county lines, which changes property taxes and school attendance zones from one community to the next; that cross-community comparison is exactly what an agent who works the area does for you. Entry-level new-construction pricing in the more affordable Summerville-area submarkets has commonly run in roughly the $340,000 to $380,000 band (source: builder list pricing and Zillow ZHVI market data, mid-2026; a general band, not a quote; confirm current pricing against the latest Charleston Trident Association of Realtors monthly report before relying on it). Community context lives at living in Summerville.
Nexton
In Nexton, several builders sell side by side across the villages, so plan on the registration step repeating at each builder’s sales office, not once for the community. Nexton’s price tiers also run wider than most single communities, and the same dollar buys very different things from one builder’s design center to the next, which is where an independent read on lot premiums and upgrade pricing earns its keep. Community context lives at living in Nexton.
Cane Bay
In Cane Bay, touring “the community” really means touring several builder sub-communities under one name, each with its own sign-in sheet and its own registration policy. Cane Bay addressing also spans Summerville, Moncks Corner, and Goose Creek, so confirm the exact tax district and school attendance zone for the specific homesite, as facts, before you compare prices across sub-communities. Community context lives at living in Cane Bay.
Once representation is set up, the money conversation moves to what you can actually negotiate on a new build. That playbook is at negotiating new construction (coming soon).
The bottom line, and one step to take before your first visit
You do not need a realtor for new construction in the Charleston suburbs, but in most cases the builder pays for you to have one, and the usual way to lose that is to walk into the sales center unrepresented and unregistered. The decision costs nothing to make early and can be impossible to unmake later.
If a new build in Summerville, Nexton, or Cane Bay is on your list, talk to Megan before your first sales-center visit. A short conversation sets up your registration correctly at every builder you tour. No pressure attached.
About the author
Megan Duncan is a Lowcountry real estate agent with Modern + Main Realty who specializes in military and PCS relocations to the Joint Base Charleston area and in new construction. An out-of-state transplant herself, she has helped buyers and sellers across Summerville, Nexton, Cane Bay, Moncks Corner, Goose Creek, and Carnes Crossroads. She holds the Military Relocation Professional (MRP) designation and SC Real Estate License #141795, so she is fluent in BAH, VA loans, and the timelines that come with orders. Megan is a real estate professional, not a lender or the VA; she works alongside your VA-savvy lender on the financing pieces.
