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Front exterior of a new home in RiverTown, St. Johns, FL, highlighting curb appeal (Image 1).
Move-in ready
  • 4 bd
  • 5 ba
  • 3,644 sqft
Home inRiverTownbyMattamy Homes

456 Sir Barton Dr, St. Johns, FL 32259

$908,989

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  • Single-Family
  • Quick move-in
  • $249.45/sqft
  • $53/annual HOA

Home description

Lot 88 - Discover the Onyx floorplan—a spacious 4-bedroom, 4.5-bath home with 3,644 square feet and a 3-car garage. Right off the foyer, you'll find a versatile flex room that you can transform into a teen retreat, remote office, yoga studio, or crafts room. The chef's kitchen, featuring an island and morning kitchen near the walk-in pantry, overlooks the Great Room, offering stunning views of the extended lanai. RIVERTOWN is a master-planned community along the St. Johns River, residents enjoy a vibrant lifestyle with fitness amenities, social activities, and outdoor fun in Northeast Florida's sunshine. Neighborhood parks, scenic lakes, preserved natural spaces, and miles of trails connect you to the stunning surroundings.

Listed by MATTHEW BERKIS, Matt.Berkis@mattamycorp.com
MATTAMY REAL ESTATE SERVICES, MLS 2128011

May also be listed on the Mattamy Homes website

Information last verified by Jome: Today at 5:32 PM (February 2, 2026)

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Estimated value based on Jome data, T&C apply

Home details

*Pricing and availability are subject to change.
Property status:
Move-in ready
Size:
3,644 sqft
Stories:
1
Beds:
4
Baths:
5
Half baths:
1
Garage spaces:
3
Facing direction:
Southeast

Construction details

Builder Name:
Mattamy Homes
Year Built:
2025
Roof:
Shingle Roofing

Home features & finishes

Construction Materials:
CementFrame
Cooling:
Central Air
Garage/Parking:
Door OpenerGarageAttached Garage
Interior Features:
Walk-In ClosetFoyerPantryBreakfast Bar
Kitchen:
DishwasherMicrowave OvenRefrigeratorDisposalGas CooktopFreezerKitchen IslandDouble Oven
Laundry facilities:
DryerWasher
Property amenities:
Porch
Rooms:
Primary Bedroom On MainBreakfast AreaOpen Concept FloorplanPrimary Bedroom Downstairs
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Utility information

Heating:
Thermostat, Water Heater, Central Heating, Tankless water heater
Utilities:
Electricity Available, Sewer Available, Water Available
RiverTown image

Community details

RiverTown at RiverTown

by Mattamy Homes, St. Johns, FL

from$259,990
  • 25 homes
  • 42 plans
  • 1,206 - 4,461 sqft

View RiverTown details

RiverTown

More homes in RiverTown

Pricing and availability are subject to change.
Any
2+ beds
3+ beds
4+ beds
2+ baths
3+ baths
4+ baths

Floor plans in RiverTown

Any
2+ beds
3+ beds
4+ beds
2+ baths
3+ baths
4+ baths

About the builder - Mattamy Homes

Mattamy Homes
With a legacy spanning over four decades, Mattamy Homes designs new construction homes and communities centered on how families truly live. As North America's largest privately owned homebuilder, the company is recognized for its architectural innovation and thoughtful neighborhood planning, helping more than 8,000 families find their dream home each year.

Neighborhood

Home address

456 Sir Barton Dr, St. Johns, FL 32259
County:
St. Johns
Zip Code:
32259
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Schools in St. Johns County School District

The St. Johns County School District provides academic instruction for Sir Barton Dr by Mattamy Homes, utilizing a system that serves the wider area. Younger children attend Hickory Creek Elementary School, a public option for Elementary grades positioned about 1.8 mi away and listed with a rating of 10. Switzerland Point Middle School serves students in Middle grades and lies approximately 1.7 mi from the community. Older learners attend Bartram Trail High School, which covers High grades and is located within 3.2 mi.
GreatSchools.org logo

GreatSchools’ Summary Rating calculation is based on 4 of the school’s themed ratings, including test scores, student/academic progress, college readiness, and equity. This information should only be used as a reference. Jome is not affiliated with GreatSchools and does not endorse or guarantee this information. Please reach out to schools directly to verify all information and enrollment eligibility. Data provided by GreatSchools.org © 2025

Places of interest

Getting around

Navigating the area around Sir Barton Dr by Mattamy Homes relies on the available street and transit network. Walking conditions are rated Car-Dependent with a Walk Score of 1, helping residents gauge car dependence. Cycling is an alternative mode, reflected in a Bike Score of 31 (Somewhat Bikeable). This helps clarify movement patterns in St. Johns, Florida.
Walk score ®
1 /100
Car-Dependent
Bike score ®
31 /100
Somewhat Bikeable

Noise level

Environmental sound levels for RiverTown by Mattamy Homes are quantified by a composite rating that aggregates multiple factors. According to data from Soundscore, the overall Noise Score is Calm, which is classified as Calm. This measurement accounts for specific contributors, including traffic (Calm), local sources (Calm), and airport activity (Calm). These metrics provide a baseline for understanding noise levels in St. Johns, Florida.
99
50Calm100
Traffic noiseCalm
Local sources noiseCalm
Airports noiseCalm

A Soundscore™ rating is a number between 50 (very loud) and 100 (very quiet) that tells you how loud a location is due to environmental noise.

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Real MLS Logo
Listed by MATTHEW BERKIS, Matt.Berkis@mattamycorp.com
MATTAMY REAL ESTATE SERVICES, MLS 2128011

IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by NEFMLS. © 2025 Northeast Florida Multiple Listing Service, Inc. All rights reserved.

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Last checked Feb 2, 5:00 pm

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  3. Florida
  4. Jacksonville Metropolitan Area
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  6. St. Johns
  7. RiverTown
  8. RiverTown - Springs
  9. 456 Sir Barton Dr, St. Johns, FL 32259