Bay Saint Louis (pop. about 9,260) has hot, humid summers and mild winters, and home project costs run well below the national average. Plan around severe storms & high wind, expansive clay soil and high humidity.
Key takeaways
- Cost level: Bay Saint Louis prices run 15% below the U.S. average (regional index 0.85).
- Top local risks: severe storms & high wind, expansive clay soil and high humidity.
- Most common big projects: water damage restoration, roofing and mold remediation.
- Roof replacement: about $5,700–$21,300. HVAC replacement: about $6,000–$10,200.
- Best season for exterior work: Book roof work in fall or spring to avoid peak summer heat and spring storm backlogs.
Home service guides for Bay Saint Louis
How much do home repairs cost in Bay Saint Louis, MS?
| Service | Estimated MS range | National range | Priced |
|---|---|---|---|
| HVAC | $6,000–$10,200 | $7,000–$12,000 | for a combined AC and furnace replacement |
| Roofing | $5,700–$21,300 | $6,700–$25,000 | per roof replacement |
| Kitchen Remodeling | $8,500–$59,500 | $10,000–$70,000 | for a minor to major remodel |
| Bathroom Remodeling | $5,600–$15,300 | $6,600–$18,000 | for a typical remodel |
| Water Damage Restoration | $1,100–$4,600 | $1,270–$5,376 | per typical job |
| Fire Damage Restoration | $2,500–$32,600 | $2,900–$38,325 | per typical job |
| Mold Remediation | $1,300–$4,300 | $1,500–$5,000 | for a typical home |
| Garage Door Repair | $70–$570 | $80–$675 | per repair |
| Foundation Repair | $1,800–$6,700 | $2,176–$7,833 | per typical project |
| Water Heater Replacement | $750–$1,600 | $882–$1,826 | per installed unit |
| Sewer Line Repair & Replacement | $1,200–$4,500 | $1,388–$5,323 | per project |
| Slab Leak Repair | $540–$3,700 | $630–$4,400 | per repair |
| Electrical Panel Upgrade | $1,100–$2,600 | $1,300–$3,000 | per installed panel |
| Window Replacement | $260–$1,800 | $300–$2,100 | per window installed |
| Siding Replacement | $7,200–$17,000 | $8,500–$20,000 | for a 2,000 sq ft home |
| Gutter Installation | $530–$1,400 | $622–$1,677 | per installation |
| Attic Insulation | $1,400–$2,100 | $1,700–$2,500 | per attic |
Estimates apply a regional cost index of 0.85 for Mississippi (15% below the U.S. average) to national ranges. Always compare at least three written quotes.
In a smaller community like Bay Saint Louis, some specialists travel in from nearby cities and may add a trip charge. Ask whether travel is included, and consider bundling projects.
What Bay Saint Louis homeowners ask most
- How much does a new AC unit cost for a 2,000 sq ft house in Bay Saint Louis, MS? Most 2,000 sq ft homes need a 3–4 ton system. A central AC replacement alone typically runs $2,500–$9,000 nationally, and replacing both the AC and furnace costs about $6,000–$10,200 in Bay Saint Louis, MS. See the Bay Saint Louis hvac guide.
- How much does it cost to replace a 2,000 sq ft roof in Bay Saint Louis, MS? A 2,000 sq ft roof is about 20 squares, or about 22–23 squares with 10%–15% waste. With architectural shingles, plan on roughly $5,700–$21,300 in Bay Saint Louis, MS, with most jobs near the middle of that range. See the Bay Saint Louis roofing guide.
- How much does a small kitchen remodel cost in Bay Saint Louis, MS? A minor or small kitchen remodel typically costs $10,000–$20,000 nationally. The full range, from minor updates to a major remodel, is about $8,500–$59,500 in Bay Saint Louis, MS. See the Bay Saint Louis kitchen remodeling guide.
- How much does a small bathroom remodel cost in Bay Saint Louis, MS? A typical bathroom remodel costs about $5,600–$15,300 in Bay Saint Louis, MS with mid-range finishes. A cosmetic refresh with paint, a new vanity and fixtures can stay under $5,000. See the Bay Saint Louis bathroom remodeling guide.
- How much does water damage restoration cost in Bay Saint Louis, MS? A typical restoration job costs about $1,100–$4,600 in Bay Saint Louis, MS. Clean-water jobs are priced around $3.30–$4.10 per square foot nationally, and sewage cleanups cost more. See the Bay Saint Louis water damage restoration guide.
- How much does fire damage restoration cost in Bay Saint Louis, MS? Fire and smoke restoration typically costs about $2,500–$32,600 in Bay Saint Louis, MS. Whole-home cleaning runs roughly $4.25–$6.50 per square foot nationally, and structural rebuilds cost more. See the Bay Saint Louis fire damage restoration guide.
- How much does mold remediation cost in Bay Saint Louis, MS? A typical home remediation costs about $1,300–$4,300 in Bay Saint Louis, MS. Small areas under about 10 square feet often cost $500–$1,500, or can be cleaned yourself. See the Bay Saint Louis mold remediation guide.
- How much does garage door repair cost in Bay Saint Louis, MS? Most garage door repairs cost about $70–$570 in Bay Saint Louis, MS. The national average is around $260. See the Bay Saint Louis garage door repair guide.
- How much does foundation repair cost in Bay Saint Louis, MS? A typical foundation repair costs about $1,800–$6,700 in Bay Saint Louis, MS. Piers usually cost $1,000–$3,000 each, so the number of piers drives the total. See the Bay Saint Louis foundation repair guide.
- How much does it cost to replace a water heater in Bay Saint Louis, MS? Most water heater replacements cost about $750–$1,600 in Bay Saint Louis, MS. Tank units run $600–$2,500 installed and tankless units $1,400–$3,900. See the Bay Saint Louis water heater replacement guide.
- How much does sewer line replacement cost in Bay Saint Louis, MS? Most sewer line projects cost about $1,200–$4,500 in Bay Saint Louis, MS. Full replacement runs $50–$250 per linear foot depending on method. See the Bay Saint Louis sewer line repair & replacement guide.
- How much does slab leak repair cost in Bay Saint Louis, MS? Most slab leak repairs cost about $540–$3,700 in Bay Saint Louis, MS. Detection adds $150–$400. See the Bay Saint Louis slab leak repair guide.
- How much does an electrical panel upgrade cost in Bay Saint Louis, MS? Most panel upgrades cost about $1,100–$2,600 in Bay Saint Louis, MS. A 100-to-200-amp upgrade typically runs $1,300–$3,000 nationally. See the Bay Saint Louis electrical panel upgrade guide.
- How much does window replacement cost in Bay Saint Louis, MS? Most windows cost about $260–$1,800 each installed in Bay Saint Louis, MS, with an average around $850 nationally. See the Bay Saint Louis window replacement guide.
- How much does siding replacement cost in Bay Saint Louis, MS? Residing a typical 2,000 sq ft home costs about $7,200–$17,000 in Bay Saint Louis, MS, or roughly $3–$15 per square foot installed. See the Bay Saint Louis siding replacement guide.
- How much does gutter installation cost in Bay Saint Louis, MS? Most gutter installations cost about $530–$1,400 in Bay Saint Louis, MS, or roughly $1,200 for a one-story and $2,000 for a two-story home nationally. See the Bay Saint Louis gutter installation guide.
- How much does attic insulation cost in Bay Saint Louis, MS? Most attic insulation projects cost about $1,400–$2,100 in Bay Saint Louis, MS, or roughly $1–$3 per square foot of attic floor nationally. See the Bay Saint Louis attic insulation guide.
Local risk factors in Bay Saint Louis
Because of these factors, Bay Saint Louis homeowners most often need water damage restoration, roofing and mold remediation.
Severe storms lift shingles, drive rain under flashing and push on garage doors. Wind-rated materials and solid nailing patterns pay off here.
Roofing · Garage Door Repair · Water Damage Restoration · Siding Replacement · Window Replacement
Expansive clay swells when wet and shrinks in drought, which moves slab foundations and cracks walls, floors and plumbing.
Foundation Repair · Water Damage Restoration · Slab Leak Repair · Sewer Line Repair & Replacement
High humidity feeds mold in bathrooms, attics and crawl spaces and makes air conditioners work harder to dry the air.
Heavy rain and flooding soak floors, drywall and foundations. Standard homeowners policies exclude flood, so check your coverage.
Water Damage Restoration · Mold Remediation · Foundation Repair · Electrical Panel Upgrade
Hail bruises shingles, dents gutters and garage doors and cracks skylights. The damage often leaks months later, so inspect after every big storm.
Roofing · Garage Door Repair · Water Damage Restoration · Siding Replacement · Gutter Installation
A long, hot cooling season keeps air conditioners running for months and ages roofs faster under intense sun.
HVAC · Roofing · Attic Insulation · Electrical Panel Upgrade
Bay Saint Louis home maintenance calendar
A maintenance plan built for Bay Saint Louis's hot, humid summers and mild winters. Small seasonal checks prevent most of the expensive repairs on this site.
Spring
- Service the AC before the first heat wave
- Inspect the roof after spring storms
- Clean gutters and check downspouts drain away
Summer
- Change HVAC filters monthly at peak use
- Water the foundation perimeter during drought
- Watch bathrooms and closets for musty odors
Fall
- Book roof and exterior work in the mild weather
- Have the furnace or heat pump checked
- Lubricate garage door rollers and springs
Winter
- Insulate exposed pipes before hard freezes
- Know where the main water shutoff is
- Plan remodels for the slower contractor season
How to hire a contractor in Bay Saint Louis
- Get at least three written, itemized quotes.
- Verify each contractor's license (where Mississippi requires one), liability insurance and workers' comp.
- Check reviews and ask for references from recent jobs in or near Bay Saint Louis.
- Confirm who pulls permits and schedules inspections.
- Never pay most of the price upfront: tie payments to finished milestones.
- Get warranties for both labor and materials in writing.
Bay Saint Louis home repair FAQs
How much do home repairs cost in Bay Saint Louis, MS?
Costs in Bay Saint Louis run well below the national average. For example, a roof replacement is about $5,700–$21,300 and hvac work about $6,000–$10,200. See the cost table above for all 17 services.
What are the biggest home risks in Bay Saint Louis?
The main local factors are severe storms & high wind, expansive clay soil, high humidity and flooding. They drive most roof, foundation, water and HVAC repairs in the area.
When is the best time to schedule home projects in Bay Saint Louis?
Book roof work in fall or spring to avoid peak summer heat and spring storm backlogs. Remodels are often easier to book in the slower winter season, and HVAC work is fastest to schedule before peak heat or cold.
Do I need a permit for home repairs in Bay Saint Louis?
Roofing, HVAC replacement, structural, electrical and plumbing work usually need a permit from the Bay Saint Louis or county building department. Licensed contractors normally pull it for you.
Which ZIP codes are in Bay Saint Louis?
This guide covers Bay Saint Louis ZIP codes 39520, 39521.
Bay Saint Louis ZIP codes
- 39520
- 39521
Cities near Bay Saint Louis
15 mi away · pop. 71,856West Gulfport, MS
16 mi away · pop. 71,329Waveland, MS
3 mi away · pop. 6,391Pass Christian, MS
5 mi away · pop. 5,498De Lisle, MS
6 mi away · pop. 1,147Diamondhead, MS
6 mi away · pop. 8,132Kiln, MS
9 mi away · pop. 2,238Long Beach, MS
11 mi away · pop. 15,555Pearlington, MS
17 mi away · pop. 1,332
Local risk factors reflect general Mississippi climate patterns; see FEMA's National Risk Index for county ratings. Cost estimates apply an approximate regional index to national ranges.