Mattamy St Southern Grove
Homes for Sale in Port St. Lucie, FL
All 1,485 homes for sale in Port St. Lucie, FL · median $415,000 · 509 homes for sale in 34987 · St. Lucie County homes for sale
True comps, carrying-cost math, and listings before the portals.
As of September 2026, the MLS records 1 closed sale in Mattamy St Southern Grove in Port St. Lucie, FL, the most recent in November 2025. Across Port St. Lucie as a whole, 1,671 homes closed in the last 12 months at a median of $395,000, 62 median days on market, with 697 homes for sale today. At that median and St. Lucie County's FY2025-26 rate of 22.85 mills, annual property tax runs about $9,030 ($8,050 with the full homestead exemption).
Part of the Southern Grove master-planned community in Port St. Lucie, FL — see all Southern Grove homes for sale (6 listings across 4 villages and sections in the MLS).

Mattamy St Southern Grove is a builder-driven pocket of Port St. Lucie, and with no standout shared amenities surfacing in current MLS listings, price here is going to track the homes themselves — floor plan, lot, finish level, and condition — rather than any club, gate, or resort feature. Treat pricing as condition-driven and expect a spread depending on how upgraded a given home is.
For buyers, that means the comparison work is on the house, not the community package — walk the finishes and the lot before you anchor on any number. For sellers, it means presentation and condition carry the value; there is no amenity story doing the selling for you, so the home has to.
Nearby homes for sale
No active listings inside Mattamy St Southern GroveHomes for Sale in Port St. Lucie, FL 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
A newer, builder-developed section of Port St. Lucie in St. Lucie County where value is set by the individual home rather than by shared community features.
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 Mattamy St Southern Grove is best for.
Best for
- Buyers seeking newer construction in Port St. Lucie who will price on the home's own merits
- Buyers who value a straightforward, amenity-free cost of ownership with no club dues driving the budget
- Buyers wanting Treasure Coast regional access while keeping the purchase focused on the house
Probably not for
- Buyers whose priority is a gated or resort-style amenity package
- Buyers expecting shared recreation or clubhouse features to anchor long-term value
- Buyers who want an established, amenity-defined community identity rather than a builder-driven section
The market around Mattamy St Southern Grove
Mattamy St Southern Grove is too small for its own price trend, so here is the market around it.
In ZIP 34987, 705 homes are on the market and 27% are under contract — a steady corner of Port St. Lucie.
Across St. Lucie County, 2,467 homes are active and 743 pending (23% under contract).
In ZIP 34987 (Port St. Lucie), 1,587 homes closed in the last 12 months at a median of $430K ($213/sq ft), down 0.5% year over year, with a median 62 days on market. Right now 268 active and 125 pending listings put supply at about 4.7 months — a balanced market. See the live ZIP 34987 housing market and the St. Lucie County market.
ZIP and county figures describe the wider market, not Mattamy St Southern Grove specifically. Momentum Research analysis of MLS records.
Housing distress & ownership in Mattamy St Southern Grove, Port St. Lucie
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. All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright © 2026 BeachesMLS, Inc. Deemed reliable but not guaranteed.
The Mattamy St Southern Grove buying strategy.
If we were buying in Mattamy St Southern Grove 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 Mattamy St Southern Grove.
What actually moves value here
Because current listings show no identified community amenities, this is a place where the home does the work. Layout, lot position, and how recently the interior was updated will separate one listing from another far more than any neighborhood perk. If you are pricing or offering, put your energy into a clean, current comparison of the houses themselves.
Location-wise, you are within the Port St. Lucie market on Florida's Treasure Coast, part of the beaches feed for St. Lucie County. That gives buyers regional access to coastal Florida living, but the buying decision inside the community should stay grounded in the specific home and its condition.
The location and the amenities are priced into every listing in Mattamy St Southern Grove. The deal is won or lost on condition, the comps, and the renovation math.
Why work with Momentum here
In a community without an amenity narrative to lean on, the numbers live in the homes — and that is exactly where we spend our time. We will walk a listing's finishes and lot with you, tell you when a home is priced ahead of its condition, and keep you from paying for upgrades that are not there.
Mattamy St Southern Grove in 15 seconds.
HOA, CDD & Fees
- HOA status not on record. Verify any dues before you offer
- Any club/amenity membership is billed separately
Confirm the current HOA dues, exactly what they cover, and any CDD bond or special assessment for a specific address before you offer.
Tools for a Mattamy St Southern Grove 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 Mattamy St Southern Grove sales matched to your home.
Price it to the comps and condition, not an automated estimate.
If you are thinking about selling in Mattamy St Southern Grove, the right list price comes from recent comparable sales matched to your home's condition and location, not an automated estimate.
What is your Mattamy St Southern Grove home worth?
Get a no-obligation home value based on real comparable sales in Mattamy St Southern Grove, 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 Port St. Lucie →
Should you buy in Mattamy St Southern Grove?
An honest fit check. We will tell you when it is not your community.
Data sources & freshness
| Under-contract shares | Beaches MLS records, as of 2026-09-20 |
| Historical depth | Closed-sale records back to 2025 (1 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 Beaches MLS 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 Beaches MLS member average and 8 days faster, and we’ll price yours against live local comps.
Looking to buy here? Search homes for sale →
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A real valuation with real comps from a local listing agent, not an instant algorithm. Response within one business day.
See how Mattamy St Southern Grove fits the bigger picture — live prices, inventory, and Momentum Scores:
Common questions about Mattamy St Southern Grove
Where is Mattamy St Southern Grove?
Mattamy St Southern Grove is a community in Port St. Lucie, St. Lucie County, Florida, ZIP 34987.
Are there homes for sale in Mattamy St Southern Grove right now?
No active listings inside Mattamy St Southern Grove at the last feed refresh. The nearest homes for sale, with distances from the community, are shown on this page and refreshed nightly.
Does Mattamy St Southern Grove have an HOA or CDD?
No HOA is on record for Mattamy St Southern Grove in our data. Verify dues, what they cover, and any special assessment for a specific address before you offer.
Answers are generated from county property records, MLS feeds and the figures on this page, as of the page date; deemed reliable but not guaranteed.
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