New Construction Homes in St. Marys, GA

St. Marys is in Camden County, Georgia (ZIP codes 31558). · Homes for sale in St. Marys · Camden County

6 new-construction homes are listed for sale in St. Marys right now, across 4 communities. Most list between $425K to $800K; the median new build is $732,450 ($302/sq ft, typically 2,428 sq ft, 3 bedrooms). Everything on this page is from Momentum’s MLS record as of 2026-10-09 and refreshes as homes list and sell.

6
New homes listed
4
Communities
$732,450
Median new build
$425K to $800K
Typical range
$4,906
Est. monthly cost to own

Newest new-construction listings in St. Marys

The most recently listed new homes in St. Marys, with photos. Each card opens the full listing with every photo, the community’s data, and a tour request.

110 Rindle Trace, new construction home in St. Marys
$424,900
4 bd · 2 ba · 1,945 sq ft · built 2026
110 Rindle Trace
Winding River · Coldwell Banker Access Realty KGLD
Lot 22 Berrie Bluffs Club Drive, new construction home in St. Marys
$799,000
3 bd · 3.5 ba · 2,997 sq ft · built 2026
Lot 22 Berrie Bluffs Club Drive
Victoria Landing · Engel & Volkers Savannah
104 Carousers Cove, new construction home in St. Marys
$669,444
3 bd · 2.5 ba · 2,172 sq ft · built 2026
104 Carousers Cove
Cumberland Harbour · St Marys Realty Inc Island Si
1190 Isles Of Saint Marys Way, new construction home in St. Marys
$725,000
3 bd · 2 ba · 2,382 sq ft · built 2026
1190 Isles Of Saint Marys Way
Osprey Cove · St Marys Realty Inc Island Si
306 Cobia Lane, new construction home in St. Marys
$799,900
3 bd · 3.5 ba · 2,611 sq ft · built 2026
306 Cobia Lane
Cumberland Harbour · Berkshire Hathaway HomeServices RPA Realty
108 Plank Lane, new construction home in St. Marys
$739,900
3 bd · 2.5 ba · 2,474 sq ft · built 2026
108 Plank Lane
Cumberland Harbour · Berkshire Hathaway HomeServices RPA Realty

New-home communities in St. Marys

Every St. Marys community with new construction actively listed, the builder where the listing identifies one, how many homes are available, and the lowest current list price. Community names link to that community’s guide with its sales history and live inventory.

CommunityBuilderNew homesFrom
Cumberland Harbour—3$669,444
Winding River—1$424,900
Osprey Cove—1$725,000
Victoria Landing—1$799,000

New construction in St. Marys by price

What a new build in St. Marys costs to own

Take the median $732,450 new home with 20% down at today’s 7.40% 30-year rate: principal and interest run about $4,057/month. Georgia taxes 40% of value: at Camden County’s typical unincorporated millage of 28.05, property tax runs near $8,163/year after the standard homestead exemption; inside city limits add the city millage, and the first-year bill on a new build is usually on the land alone with the full bill the year after. Where an HOA is listed the median is $169/month. All in, plan on roughly $4,906/month plus insurance, which runs well below Florida’s coastal premiums for most of Georgia — get a quote on the address; a new roof and current code usually earn the best rate.

How to buy new construction the smart way

The agent in the model home works for the builder. Bringing your own Momentum agent costs you nothing — the builder pays the commission either way — and gets you representation on the contract (builder contracts are one-sided by design), the upgrade pricing, the lender comparison (the builder’s preferred lender incentive is real but not always the best deal), an independent inspection at pre-drywall and at completion, and the walkthrough. Register your agent on your first visit; most builders will not honor representation after that.

Builders rarely cut list price on a to-be-built home, but completed inventory homes at the end of a quarter are a different negotiation: closing-cost credits, rate buydowns, and included upgrades are common, and the cards above show which homes have been sitting.

Explore St. Marys

Common questions

How many new construction homes are for sale in St. Marys?
As of 2026-10-09, Momentum's MLS data shows 6 new-construction homes actively listed across 4 St. Marys communities, most between $425K to $800K.
Who is building new homes in St. Marys?
Most current new-build listings are custom or small-builder homes rather than national production builders.
What does a new construction home cost in St. Marys?
The median new-build listing is $732,450, about $302 per square foot for a typical 2,428-sq-ft home. Ten percent of new homes list under $425K and ten percent above $800K.
What is the monthly cost of a $732,450 new build in St. Marys?
Roughly $4,906 a month with 20% down at 7.40%: principal and interest of $4,057, Camden County property tax of about $680/month on the 40% assessed value after the standard homestead exemption, and a typical HOA of $169.
Should I use my own agent to buy new construction?
Yes. The sales agent in the model home represents the builder. A Momentum buyer's agent costs you nothing — the builder pays the commission — and handles the contract, upgrade pricing, lender comparison, inspections, and the final walkthrough. Register your agent on your first visit.
Do builders negotiate on price?
Rarely on the list price, but they routinely offer closing-cost credits, rate buydowns, and included upgrades, especially on completed inventory homes at quarter-end. That is where a buyer's agent earns their keep.
Using these figures? Link to this page as the source so readers can see the live numbers; they refresh from Momentum Realty’s MLS and county data (as of 2026-10-09). Suggested attribution:
<a href="https://movewithmomentum.com/new-construction-homes-st-marys-ga">New Homes in St. Marys, GA: New Construction Builders & Prices from $425K (October 2026) — Momentum Realty</a>
Press and data requests: jon@movewithmomentum.com · Florida Housing Intelligence

Counts, prices and photos are from Momentum Realty’s MLS record of active listings in St. Marys communities as of 2026-10-09; a home is counted as new construction when the listing shows it as built this year or later or when a production builder is the listing office. Builder names come from listing data. Estimates are not guarantees. Equal Housing Opportunity.

Everything we publish about St. Marys

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Building new in St. Marys?

Get a buyer’s agent for your new build.

The builder’s sales rep works for the builder. A Momentum agent represents you — at no cost to you — through contracts, upgrades, inspections, and closing. Smart on a new build.

Browse builders: new-construction builders.

Tour new construction in St. Marys

A local new-construction specialist will reach out, usually within one business day.

or call (904) 351-6461