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The Complete Guide · 2026

St. Johns (CDP)

The unincorporated Census-Designated Place along SR-13 — RiverTown, Aberdeen, and a network of mid-corridor sub-neighborhoods that all share the same ZIP.

~$400K–$750KPrice Range32259 · mixed
~14,000Population (CDP)2020 est.
Multiple SchoolsSJCSD zoning by addressAll A-graded
~35 minTo Downtown JAXSR-13 / I-295

The St. Johns CDP address prefix covers many communities. Ask us for the exact ZIP-level breakdown for the sub-neighborhood you're considering.

What "St. Johns, FL" actually means

Not a city — a Census address prefix.

When you search for "St. Johns, FL homes" you'll see a lot of results, and they will not all be in the same place. St. Johns is an unincorporated Census-Designated Place centered on the SR-13 corridor in northern St. Johns County (ZIP 32259). It is not a chartered city, does not have its own municipal government, and does not have city limits. The Census draws the CDP boundary primarily for statistical purposes.

What that means for a buyer: the "St. Johns" address prefix touches many different communities. Some are large master-planned developments like RiverTown and Aberdeen. Others are established SR-13-corridor sub-neighborhoods. Others are newer infill inside older shells. Two houses with "St. Johns, FL" mailing addresses can be in entirely different price bands and school zones.

This page is our meta-guide to what St. Johns really means, plus a deeper look at RiverTown — the largest single new-construction master plan inside the CDP.

Big-picture map: north of the St. Johns CDP sits the Fruit Cove CDP with Julington Creek Plantation. South of the St. Johns CDP sits open St. Johns County land that stretches to Silverleaf and beyond. The CDP is the middle-corridor stretch of SR-13 — and RiverTown is the anchor.
RiverTown Deep Dive

Mattamy's 4,200-acre master plan.

RiverTown is the largest single community carrying the St. Johns address prefix. Here is what a buyer should know.

Master-Planned

RiverTown Core (Mattamy)

~$430K – $700K

Mattamy Homes' original core village. Multi-plan single-family lineup, mid-corridor amenity access, and the community's Freedom Crossing Academy K-8 on-site.

Multi-Builder

Newer villages (KB Home, Dream Finders, Toll)

~$450K – $850K

Newer sections added as the master plan expanded. Multi-builder lineup with a range of price points and plans.

Waterfront

St. Johns River sections

~$650K – $1.2M+

Homes with direct or near-direct St. Johns River frontage on the western side of RiverTown. Riverfront park access and boat access.

Townhomes

Townhome collections

~$370K – $470K

Townhome sections from multiple builders. The lowest entry-point with the same school zoning and amenity access.

Schools

School zoning inside the St. Johns CDP.

Because the St. Johns CDP covers a big area, elementary/middle/high assignment depends heavily on exact address. Broadly:

  • RiverTown addresses — Freedom Crossing Academy K-8 (on-site) or Liberty Pines Academy K-8; Bartram Trail High School.
  • Aberdeen addresses — Cunningham Creek Elementary, Switzerland Point Middle, and Bartram Trail High.
  • Mid-corridor addresses — can be Julington Creek Elementary, Fruit Cove Middle, and Creekside High if closer to the Fruit Cove boundary; or the Bartram Trail feeder if further south.

All zoning is by address. We verify current assignment on every offer — the difference between a Creekside- and a Bartram Trail-zoned house can affect resale, and both are among the top high schools in Florida's #1-ranked district.

Amenities & Life

What life on SR-13 looks like inside the CDP.

  • RiverTown town center — growing retail and community space
  • RiverHouse amenity center — pools, fitness, and event space
  • Riverfront park — St. Johns River access with docks and pavilions
  • Trail network connecting RiverTown to the greater SR-13 corridor
  • SR-13 commercial — grocery, dining, and services along the corridor
  • Julington Creek Plantation next door — independent amenity access via non-JCP membership options where offered
  • I-295 access at Race Track Rd for the Jacksonville commute
  • St. Johns River boating — a defining feature of the western CDP
Money Math

What the tax stack looks like.

RiverTown is a Community Development District (CDD); Aberdeen and most mid-corridor established sub-neighborhoods are HOA-only. On a $550,000 RiverTown home with homestead, budget roughly $4,200–$4,500 in ad valorem tax plus $1,800–$3,000 in CDD, for a total annual carrying cost around $6,300–$7,800 before HOA and insurance. On a similar-priced Aberdeen or mid-corridor HOA-only home, expect a total closer to $4,500–$5,200. That difference is real and shows up every month.

We disclose the exact CDD, HOA, and expected insurance range on every home before you write.

Getting Around

Where the St. Johns CDP puts you.

~35 minDowntown Jacksonville (SR-13 / I-295)
~20 minSouthside / JTB corridor
~40 minHistoric St. Augustine (SR-13 / I-95)
~55 minPonte Vedra Beach

Off-peak. Rush hour on SR-13 or I-295 near Race Track Rd can add 15–25 minutes each way.

Common Questions

St. Johns (CDP) FAQ.

Is St. Johns, FL a city?

No. St. Johns is an unincorporated Census-Designated Place along SR-13 in northern St. Johns County (ZIP 32259). It has no city government or city limits. The "St. Johns, FL" address prefix touches many communities.

What is RiverTown?

RiverTown is Mattamy Homes' 4,200-acre master-planned community on the St. Johns River in the SR-13 corridor. Multiple builders (Mattamy, KB Home, Dream Finders, and others) operate villages inside it. The community has a Freedom Crossing Academy K-8 school on-site, an amenity center (RiverHouse), a riverfront park with boat access, and a growing town-center footprint. Zoned to Bartram Trail High School.

What schools serve the St. Johns CDP?

Zoning varies widely by address. RiverTown addresses are generally Freedom Crossing Academy K-8 and Bartram Trail High; Aberdeen is Cunningham Creek Elementary / Switzerland Point Middle / Bartram Trail High; mid-corridor addresses can be Creekside High if closer to Fruit Cove. Always verify by address — we run the school-locator check on every home.

How much do homes cost in St. Johns CDP?

Because the CDP covers different communities, the price band is wide. RiverTown new construction generally runs $430,000–$800,000; Aberdeen resale $400,000–$700,000; other mid-corridor sub-neighborhoods vary. Townhomes fall below the range; St. Johns River waterfront homes can exceed $1,000,000.

RiverTown vs. Silverleaf vs. Nocatee?

RiverTown is on the St. Johns River with a Bartram Trail High feeder; Silverleaf is west of I-95 near St. Augustine with a Tocoi Creek High feeder; Nocatee is at the northern edge of the county with a Palm Valley / Nease feeder. All three are strong SJCSD zonings with CDDs and multi-builder lineups; they differ in commute, amenity, and school assignment. We help buyers cross-compare on the numbers that matter.

Does the St. Johns CDP have coastal frontage?

No. The CDP is inland along SR-13 and the St. Johns River. For coastal Ponte Vedra Beach, St. Augustine Beach, or the Intracoastal, the referral we work with is Tim Sherman at thesaltwaterrealtor.com.

Why work with The Parham Team in the St. Johns CDP?

Because the CDP contains multiple communities with different tax stacks, school zonings, and price bands. RiverTown carries CDD; Aberdeen carries HOA only; mid-corridor addresses vary. We disclose the whole cost stack, verify schools by address, and cover Putnam next door if you're weighing affordability vs. schools. Call (386) 916-8707.

Live MLS

Homes for sale in the St. Johns CDP.

See all St. Johns listings →
Nearby

Middle of SR-13, at the RiverTown gateway.

The St. Johns CDP is bookended by Fruit Cove to the north and open St. Johns County to the south. If you're weighing RiverTown against Silverleaf or Nocatee, our St. Johns County guide puts them side by side. For coastal Ponte Vedra Beach or Intracoastal Palm Valley, the referral we trust is Tim Sherman at thesaltwaterrealtor.com.

Read the full St. Johns County guide →

Shopping the St. Johns address?

Tell us the community, the school zone you want, and the tax stack you can live with — and we'll send the right listings across RiverTown, Aberdeen, and every mid-corridor sub-neighborhood.

Talk To The Parham Team