Work directly with Krista on any home here · Broker Associate · 20+ years · 500+ closings · Christie's International Real Estate First Coast

St. Johns County

Homes on a Half Acre or More in St. Johns County

153 homes · 16 new this week · updated 7 minutes ago

New homes on a half acre or more in St. Johns County the day they list · free, no account

Lot size is the feature the county’s growth squeezed hardest — most new construction sits on 40- to 60-foot lots, which makes the half-acre-plus market its own distinct hunt. This page tracks every marketable St. Johns County home whose listing reports at least half an acre, from the estate sections of the master plans to multi-acre properties toward Hastings and the World Golf Village outskirts.

Market Snapshot

As of October 6, 2026, the median list price in homes on a half acre or more in St. Johns County is $1.2M across 153 active listings, averaging $564/sqft; recent MLS-recorded sales show a median sold price of $1.0M across 205 closings.

Median List Price: $1.2M
Avg. Price / Sq Ft: $564/sqft
Median Sold (12 mo, MLS): $1.0M; ▲ 21% vs prior 6 mo
Active Listings: 153
HOA Dues: ~$199/mo typical; 68 of 153 listings carry dues

Market stats are based on similar homes in homes on a half acre or more in St. Johns County, including 205 recent recorded sales — they may not include listings or sales that aren't comparable to this market. Sourced from the MLS; refreshed regularly.

homes on a half acre or more in St. Johns County Home Values

The MLS-recorded sales above are what homes in homes on a half acre or more in St. Johns County actually sell for — and the comp set your future buyer will see. Own a home here? This page updates with every new listing, price change, and recorded sale, so following it is the simplest way to watch your equity. There’s no automated estimate on this site — when you want a real number, Krista prepares it personally against these sales.

Showing the 120 highest-priced matches — use the filters to narrow, or search the full map.

Showing 120 of 120

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This market, from the inside

Two honest notes: the acreage field is agent-entered (about 85% of listings carry it), so treat this as the reliable floor of the market — and on the larger parcels, well/septic service and county zoning vary property to property, which changes both cost and what you can do with the land. Both are exactly the questions to settle before an offer.

Frequently asked questions

Where are the biggest lots in St. Johns County?

Inside the growth corridor, the estate sections of communities like Julington Creek Plantation and the custom-lot phases of newer master plans carry the half-acre-to-acre tier. True multi-acre properties concentrate west and south — the SR-13/Switzerland corridor along the river, Elkton and Hastings farmland, and the rural edges around World Golf Village.

What changes when a home is on well and septic?

Monthly utility bills drop, but you take on the systems: a septic inspection and well water test belong in any offer on rural acreage, replacement costs are real (five figures for a failed drain field), and some lenders and insurers ask extra questions. Plenty of county acreage IS on public utilities — the listing usually says, and it’s worth confirming either way.

Looking for on a half acre or more in St. Johns County?

I’ll send new listings the moment they hit the market and walk through the details that don’t show up in the MLS — water access, HOA rules, what a feature really costs to maintain.

Contact Krista

The Southern St. Johns County hub

South of the city: St. Augustine Shores, St. Augustine South, the Old Moultrie fabric, and the SR-207 corridor to Elkton and Hastings, where the county’s value market and its land market meet.