Prairieville, Louisiana · Ascension Parish · 70769
What is my home in Keystone of Galvez worth?
A home in Keystone of Galvez is worth what recent sales of similar homes inside the subdivision support, and with homes this similar, condition and updates carry much of the price. Keystone of Galvez is a subdivision of mostly one-story homes in Prairieville, Ascension Parish (70769), outside any city limits. Over the 12 months through September 2026, 42 homes here sold for a median of $256,000, about $163 per square foot of living area (ROAM MLS).
Reviewed by Nicole Gaudet, REALTOR®
Updated October 4, 2026
Keystone of Galvez
Where Keystone of Galvez is, and what is there
Keystone of Galvez is in Prairieville, Ascension Parish, ZIP 70769, and the U.S. Census Bureau's geocoder places it outside any city limits, so your tax bill is parish-only. Listing records show single-family homes on streets including Timberstone Drive, Harborstone Avenue, Marblestone Avenue and Baystone Avenue. Most recent sales were homes about 6 to 15 years old, and DSLD is the builder named on 21 of the 22 recent listings that name one.
Because so many homes here share a builder, size and age, buyers compare them closely. Upgrades, condition and lot position decide which one sells first.
Sources: ROAM MLS listing records, 10/01/2025 through 09/30/2026; U.S. Census Bureau geocoder (Ascension Parish, no incorporated place, ZIP 70769); Ascension Parish Assessor.
Pricing
What decides a price among similar homes
Buyers shopping one subdivision line the listings up side by side. Condition and presentation decide which one sells first and for how much.
What moves the number
- Square footage and layout, matched to similar homes inside Keystone of Galvez
- Roof, HVAC and water heater age, with dates
- Flooring, paint and kitchen condition
- Yard, fencing and parking
What to watch
- One neighbor's quick, low sale constrains your price; know why it sold low
- Have your parish tax bill ready for prorations
- Flood zone and elevation certificate, before listing
The numbers
Keystone of Galvez, and the market around it
Keystone of Galvez closed 42 home sales in the last 12 months, enough for a fair median. Your price still comes from the sales that match your house, not the median.
| Keystone of Galvez, Oct 2025 – Sep 2026 | Closed sales | Median sale price | Median $/sq ft | Middle half, $/sq ft | Days on market | Sale-to-list |
|---|---|---|---|---|---|---|
| Keystone of Galvez | 42 | $256,000 | $163 | $155–$174 | 35 | 99.5% |
| Area | Median sale price | vs. last year | Days on market | Sale-to-list |
|---|---|---|---|---|
| Gonzales | $290,428 | −3.2% | 26 | 98.6% |
| Prairieville | $337,750 | −4.3% | 28 | 98.8% |
These numbers describe the market you are selling into. Your price comes from the closed sales inside Keystone of Galvez that genuinely match your house, adjusted for plan, condition and lot. We pull those and walk you through them address by address.
Source: ROAM MLS closed residential sales, July 1 – September 30, 2026, compared with the same period of 2025. Based on information from the ROAM MLS for the period 07/01/2026 through 09/30/2026. Updated monthly. Keystone of Galvez figures: ROAM MLS closed sales recorded under the subdivision name “Keystone of Galvez” in ZIP 70769, 10/01/2025 through 09/30/2026, homes with a recorded living area only. Based on information from the ROAM MLS for the period 10/01/2025 through 09/30/2026.
Tax and flood
Homestead and flood zone, before you list
Two things every Keystone of Galvez seller should have answered before the first showing.
Homestead exemption
Homestead takes the first $7,500 of assessed value (about the first $75,000 of market value) off parish property taxes on your primary home. It is not automatic: the Ascension Parish Assessor says it is not granted on purchase, so your buyer files their own, online or at the Gonzales, Prairieville or Donaldsonville office. If you are buying next, you file again at the new address.
Full filing rules by parish: our homestead exemption guide.
Flood zone
Louisiana's property disclosure asks for your flood zone and its source, any past flooding, flood insurance, elevation certificate and past flood claims.
Ascension Parish runs a floodplain management office, and FEMA's Flood Map Service Center shows the official zone for any address. Pull the zone and any elevation certificate before the sign goes up, not during the inspection period.
What the zones mean for your buyer: flood zones and insurance guide, or check yours with the flood zone tool.
Sources: Ascension Parish Assessor, homestead exemption; Ascension Parish floodplain management; FEMA Flood Map Service Center.
Questions
Selling in Keystone of Galvez, answered
Where is Keystone of Galvez?
In Prairieville, Ascension Parish, ZIP 70769. The U.S. Census Bureau geocoder places it outside any city limits, so only parish property taxes apply. Listing records show streets including Timberstone Drive, Harborstone Avenue, Marblestone Avenue and Baystone Avenue.
ROAM MLS listing records; U.S. Census Bureau geocoder
What is my home in Keystone of Galvez worth?
It depends on the closed sales inside Keystone of Galvez that match your plan, lot and condition. Over the 12 months through September 2026, 42 homes here closed at a median of $256,000, about $163 per square foot of living area, and the middle half sold between $155 and $174 per square foot (ROAM MLS). Ask for a price opinion and we will show you the actual comparable sales, usually within one business day.
ROAM MLS market data
Does Keystone of Galvez have an HOA?
Most recent listings mark an HOA as required (39 of 42 sales in the last 12 months). Ask the association for current dues and documents before you list, so the buyer's lender and title company are not waiting on them.
ROAM MLS listing records
What should I fix before selling in Keystone of Galvez?
Start with what a lender or inspector will flag: roof, HVAC, water heater, peeling paint, water damage. Among homes this similar, the cleanest one usually sets the price. We will tell you which repairs the comparable sales actually reward.
Keep reading
Next
Next step
We'll pull the actual sales in Keystone of Galvez.
Not an estimate off a website. The closed sales of similar homes inside Keystone of Galvez, and what they mean for your house.
Keystone of Galvez figures are ROAM MLS closed sales for 10/01/2025 through 09/30/2026, and parish and city figures are ROAM MLS medians for July through September 2026; none is a valuation of your home. Tax and flood information is general, sourced to the parish assessor and FEMA, and is not legal, tax or insurance advice. This page is not affiliated with, endorsed by or published on behalf of any homeowners association, developer or builder named on it.