Castlegate
Homes for Sale in St. Johns, FL
All 397 homes for sale in St. Johns, FL · median $575,000 · 348 homes for sale in 32259 · St. Johns County homes for sale
True comps, carrying-cost math, and listings before the portals.
As of October 2026, the MLS records 69 closed sales in Castlegate in St. Johns, FL since 2007, the most recent in March 2022. Recorded prices across those 68 sales ran from $162,766 to $438,100 (median $260,487), on homes of 1,840 to 3,406 sq ft. Across St. Johns as a whole, 707 homes closed in the last 12 months at a median of $505,000, 45 median days on market, with 338 homes for sale today. At that median and St. Johns County's FY2025-26 rate of 13.47 mills, annual property tax runs about $3,510 ($2,990 with the full homestead exemption).
Castlegate sits in St. Johns County, and the honest truth is that this snapshot gives us almost nothing to price against — there are no recorded closings in the current window. That means anyone quoting you a confident number is guessing. Price here will be driven by the specific home in front of you: its condition, its lot, and its finishes, not by a clean comparable set.
For a buyer, that thin data cuts both ways: less pricing anchor means more room to justify an offer on the home's own merits, but also less leverage from recent sales. For a seller, expect to lead the market rather than follow it, and to price against condition and product rather than a stack of recent comps. In both cases, careful, home-specific analysis beats any headline figure right now.
Figures in this note are as of July 12, 2026. The live market numbers elsewhere on this page update nightly and are newer.
Nearby homes for sale
No active listings inside Castlegate right now. These are the 6 closest homes on the market, by straight-line distance from the community's center; some may sit just outside its boundary.
Listing data from the MLS feeds named on each listing page; deemed reliable but not guaranteed. Refreshed nightly.
The 60-Second Overview
Castlegate is a St. Johns County community where, as of this snapshot, the recent transaction record is too thin to draw firm conclusions from — meaning individual homes, not neighborhood averages, will tell the real story on value.
realMLS (Northeast Florida) sales records identify 28 homes in Castlegate that have changed hands since 2007, built between 2006 and 2020 (median 2009), with a median living area of about 2,316 sq ft and a typical 4-bedroom, 3-bath layout; 100% are single-family homes. Source: realMLS (Northeast Florida) closed-sale history compiled by Momentum Research; counts reflect homes with a recorded MLS sale, not every home in the community.
County records show 15 qualified sales in Castlegate across 2024–2025 (10 in 2024, 5 in 2025), median $496,500 — the last recorded sale per parcel on the Florida DOR 2025 assessment roll, independent of the MLS.
Pre-construction details are compiled from public records, builder announcements and builder listings, and are subject to change without notice; figures are deemed reliable but not guaranteed. Momentum Research figures are our own analysis. This page describes homes, pricing and community attributes, not residents.
Who Castlegate is best for.
Best for
- Buyers comfortable underwriting a specific home on its own condition and merits rather than a stack of comps
- Sellers willing to lead the market with a deliberate, well-documented price
- Long-hold buyers focused on the right property in St. Johns County over quick-flip math
Probably not for
- Buyers who require a firm recent-sales benchmark before making an offer
- Sellers who want a fast, high-velocity sale driven by comparable pricing momentum
- Anyone counting on a precise, data-backed valuation from this snapshot alone
The market around Castlegate
Castlegate is too small for its own price trend, so here is the market around it.
In ZIP 32259, 599 homes are on the market and 36% are under contract — a fast-moving corner of St. Johns.
Across St. Johns County, 2,089 homes are active and 883 pending (30% under contract).
In ZIP 32259 (St. Johns), 2,154 homes closed in the last 12 months at a median of $505K ($224/sq ft), down 1.0% year over year, with a median 43 days on market. Right now 446 active and 261 pending listings put supply at about 13.7 months — a buyer's market. See the live ZIP 32259 housing market and the St. Johns County market.
ZIP and county figures describe the wider market, not Castlegate specifically. Momentum Research analysis of MLS records.
The Castlegate buying strategy.
If we were buying in Castlegate today, this is the order of operations we would run for our clients.
Underwrite the condition first. Price the roof, HVAC, and systems honestly before judging any list price; condition swings value here more than square footage alone.
Match the home to real comps. Recent sales of similar condition and lot, not the asking price, tell you what a home is worth.
Move deliberately, not desperately. Neither side has a decisive edge, so a well-prepared, fairly-priced offer wins without overpaying.
Line up financing and inspection early. A pre-approval and an inspection plan let you act fast and negotiate from evidence.
Keep an agent in your corner. The listing agent works for the seller; we represent you and prepare a hand-built valuation before any offer in Castlegate.
Pricing without a comp set
The single most important fact about Castlegate today is what's missing: no closings in the current window. We don't have a median, a spread, or a days-on-market read to lean on, and we won't manufacture one. When the recent data is this quiet, value gets established one home at a time — through condition, layout, lot position, and updates — rather than through a reliable band of neighborhood sales.
Practically, that puts a premium on doing the work. We pull the widest defensible comparable picture, weigh the specific property against nearby St. Johns County alternatives, and price to the home in front of us. It's a slower, more deliberate process than a hot, high-volume community demands — and in Castlegate, that discipline is exactly what protects you.
The location and the amenities are priced into every listing in Castlegate. The deal is won or lost on condition, the comps, and the renovation math.
Why work with Momentum here
In a community this quiet on recent transactions, the value we add is analytical honesty. We won't hand you a fabricated price, and we won't let a listing sit on a number pulled from thin air. We build the case home-by-home, tell you where the data genuinely runs out, and negotiate from what we can actually defend — which is the whole point when the comps aren't there to do the talking for us.
Castlegate in 15 seconds.
Tools for a Castlegate buy.
Free calculators to pressure-test the real cost before you tour.
Selling here is won on condition and pricing to real comps, not an automated estimate. The right number comes from closed Castlegate sales matched to your home.
Price it to the comps and condition, not an automated estimate.
If you are thinking about selling in Castlegate, the right list price comes from recent comparable sales matched to your home's condition and location, not an automated estimate.
What is your Castlegate home worth?
Get a no-obligation home value based on real comparable sales in Castlegate, not an automated guess. Tell us about your home and we will personally prepare your numbers and a pricing strategy. No obligation, no spam.
See all homes for sale in St. Johns →
Housing distress & ownership in Castlegate, St. Johns
Who owns here, how much is not owner-occupied, and how much for-sale inventory is under distress.
Source: Momentum Realty Research. Ownership & parcels from the FL DOR 2025 tax roll; distress from MLS active-listing status/remarks; price from MLS closed sales. Source: Data provided by realMLS. Deemed reliable but not guaranteed.
More St. Johns home searches
- All homes for sale in St. Johns, FL
- Homes for sale in St. Johns County, FL
- St. Johns pool homes for sale
- St. Johns waterfront homes for sale
- Gated communities in St. Johns
- St. Johns golf course homes
- Homes under $300K in St. Johns
- Homes from $300K to $500K in St. Johns
- 4-bedroom homes for sale in St. Johns
- St. Johns home values: what is my house worth?
St. Johns guides & data
- Market data
- Cost of living
- Best neighborhoods
- Flood zones
- Property taxes
- Homestead exemption (St. Johns County)
- New construction
- New construction (St. Johns County)
Florida buyer guides
- Florida home insurance rates by county
- Florida property tax by county
- Florida property tax calculator
- What flood zone X means
- The 4-point inspection, explained
- Florida flood insurance calculator
Real estate agent in St. Johns? Join Momentum in St. Johns: 100% commission, one $12K cap.
Streets in this community
Street-level pages: every home on record, what sold and what is for sale on each street.
- Mahogany Bay Drive (16 homes on record)
- W Adelaide Drive (4 homes on record)
- River Dee Drive (2 homes on record)
Recent Developments in Castlegate
Development, infrastructure, retail, and school activity affecting Castlegate, tracked by our team and summarized from public reporting and official sources, with links to the original coverage. Last updated October 2026.
- October 2026Market
St. Johns County denies 4,462-acre Palm Valley farmland housing application under new state enclave law
Commissioners denied 3-2 on Sept. 15 the 4,462-acre Palm Valley application near Nocatee under the state agricultural enclave law, and the county plans to fight it in court. Another proposal of nearly 1,200 acres and about 15,000 homes south of St. Augustine was approved in August, then denied 3-2 on Sept. 28. St. Johns County has received 16 applications under the law.
What it may mean for the marketThe outcome of these applications will shape how much new housing supply can be added on rural land in the county. The site is about 11 miles northeast of Castlegate.
Source: Jacksonville Today - September 2026Development
UF Health Durbin Park 99-bed hospital opens in northern St. Johns County; Baptist Silverleaf adds emergency department
UF Health Durbin Park, a 99-bed hospital with a 24-hour emergency department on 42.5 acres, held its ribbon-cutting and opens the following week. Baptist Health's Silverleaf campus, about 10 miles south, is adding an emergency department, and AdventHealth and Acadia Health have also opened facilities near I-95. The county's population has grown more than 25% since 2020.
What it may mean for the marketNew hospital and emergency capacity shortens drive times to emergency care and adds healthcare jobs in northern St. Johns County. The site is about 3 miles northeast of Castlegate.
Source: Jacksonville Today - August 2026Schools
St. Johns County school board moves ahead with design of SilverLeaf-area high school costing about $100 million
The board approved moving forward with design and architecture for a high school on Parcel 38, with cost estimated at roughly $100 million and possibly up to $120 million as design progresses. Construction is expected to take about three years. A board workshop on full project scope is being prepared.
What it may mean for the marketA new high school in the SilverLeaf area would add school capacity for the fast-growing northwest part of the county. The site is about 3 miles south of Castlegate.
Source: News4JAX - June 2026Infrastructure
First Coast Expressway advances as an economic-development corridor across Clay and St. Johns
The First Coast Expressway (State Road 23), a tolled beltway looping around the west and south of the Jacksonville metro, continued to open land for development along its corridor, with the final St. Johns County phase from Interstate 95 to east of County Road 2209 in progress. FDOT held a St. Johns County open house on the final phase in January 2026.
What it may mean for the marketNew limited-access highway capacity shortens commutes and opens adjacent land, changes that have historically shaped where new communities and demand concentrate. The site is about 11 miles southwest of Castlegate.
Source: Jax Daily Record - May 2026Retail & Dining
Grocery-anchored retail center proposed in Durbin Park
A grocery-anchored retail center was proposed at Durbin Park, the large mixed-use development near Interstate 95 and County Road 210 in northern St. Johns County, adding to the district's existing stores, restaurants, and Walmart-anchored core.
What it may mean for the marketAdded grocery and retail at Durbin Park deepens everyday conveniences in northern St. Johns County, an amenity factor that can support demand for surrounding communities. The site is about 3 miles east of Castlegate.
Source: Jax Daily Record - February 2026Retail & Dining
Durbin Park Walmart plans an expansion
The Walmart anchoring Durbin Park filed plans to expand in early 2026, reinforcing the retail core of the Interstate 95 and County Road 210 district in northern St. Johns County.
What it may mean for the marketInvestment in Durbin Park's retail anchor signals continued commercial strength in northern St. Johns County, which can reinforce the appeal of nearby residential areas. The site is about 3 miles east of Castlegate.
Source: Jax Daily Record
Summaries reflect public reporting and official sources linked above as of the dates shown. Project details, timelines, and approvals can change. Commentary on potential market effects is general observation, not investment advice or a prediction for any specific property. For the freshest items across the whole region, see This Week in Northeast Florida.
Email me new listings in Castlegate
One e-mail a day, only when a home lists here, with price, beds, baths and a link to every listing. Straight from the MLS feed; no account needed.
Ask an agent about Castlegate
Have a question about the homes, fees, rules or commute here? A Momentum agent who works Castlegate will answer, and the answer is published on this page for the next buyer.
Frequently Asked Questions
How many homes are in Castlegate?
What share of Castlegate is owner-occupied?
When were the homes in Castlegate built?
Who is the best real estate agent for Castlegate?
How do I find a top St. Johns real estate agent who knows Castlegate?
Can Momentum Realty connect me with an agent for Castlegate?
Where is Castlegate, and what county is it in?
How far is Castlegate from downtown Jacksonville and the beach?
Should you buy in Castlegate?
An honest fit check. We will tell you when it is not your community.
Data sources & freshness
| Housing stock & ownership | Florida DOR assessment roll (street-list match (4 streets, ZIP 32092/32259)) |
| Under-contract shares | realMLS records, as of 2026-10-20 |
| Historical depth | Closed-sale records back to 2007 (69 transactions analyzed) |
Verify the primary sources yourself: Florida DOR · U.S. Census · FEMA flood maps · Citizens Property Insurance.
Momentum Research figures are our own analysis of realMLS records; MLS data is deemed reliable but not guaranteed. Methodology: how Momentum market scores are computed. Market metrics describe homes for sale and recent sales, not residents.
Own a home here?
You just read the data. Now see what your home is worth.
The numbers on this page move markets in the aggregate. The number that matters to you is what a buyer pays for your address. Momentum sells for 1.25% above the realMLS member average and 8 days faster, and we’ll price yours against live local comps.
Looking to buy here? Search homes for sale →
What’s your home worth in your area?
A real valuation with real comps from a local listing agent, not an instant algorithm. Response within one business day.
See how Castlegate fits the bigger picture — live prices, inventory, and Momentum Scores:
Nearby Communities
Explore more neighborhoods near Castlegate with Momentum Realty’s local guides.
Schools serving nearby communities
We do not have a confirmed school assignment for Castlegate. These are the public schools most often assigned to other communities in ZIP 32259; zones change and vary by address, so confirm with the district before you buy.
- Bartram Trail High School · 9-12 · FLDOE grade A (assigned to 24 nearby communities)
- Switzerland Point Middle School · 6-8 · FLDOE grade A (assigned to 19 nearby communities)
- Fruit Cove Middle School · 6-8 · FLDOE grade A (assigned to 18 nearby communities)
- Creekside High School · 9-12 · FLDOE grade A (assigned to 16 nearby communities)
- Julington Creek Elementary School · PreK-5 · FLDOE grade A (assigned to 9 nearby communities)
Assignments from district data for neighboring communities; grades are official Florida Department of Education school grades (2025-26).