Crawl Space Waterproofing in St. Augustine Shores, Florida
1 of the 21 crawl space companies serving St. Augustine Shores, Florida specifically list waterproofing among their services, led by A-Z Roofing & Waterproofing Inc (4.6★, 61 reviews). Local waterproofing typically runs $1,500–$5,000.
Get drainage and sump pump quotes from St. Augustine Shores pros who handle wet crawl spaces. 1 local pro offers waterproofing services. For full service comparisons, see all crawl space contractors in St. Augustine Shores or encapsulation pros in St. Augustine Shores.
St. Augustine Shores Waterproofing Cost — Southeast — Heavy Seasonal Rain
Annual rainfall: 45–65 inches, concentrated in summer thunderstorms.
Cost varies with crawl space perimeter, sump pump capacity, discharge length, and exterior grading work. Get 2–3 quotes for an exact number.
Why Waterproofing Matters in St. Augustine Shores
In the Southeast, waterproofing is rarely just about keeping rain out — it is about managing groundwater that rises seasonally and storm bursts that overwhelm yard drainage in minutes. A sealed crawl space without drainage will flood from below during heavy storms because hydrostatic pressure pushes groundwater up through the substrate. Interior perimeter drains and a sump pump are the standard fix.
What a St. Augustine Shores Waterproofing System Should Include
- ✓Interior perimeter drain channel along footings (1.5–2 inch radius)
- ✓Sump pit and pump (1/3 to 1/2 HP, with battery backup)
- ✓Discharge line routed at least 10 feet from foundation
- ✓Vapor barrier (12–20 mil) over the drain system
- ✓Exterior French drain if the lot grades toward the home
- ✓Hurricane-rated check valve on discharge line
Interior vs Exterior Drainage in Florida
Recommendation
Interior perimeter drains are the primary line of defense in the Southeast. Exterior French drains help but are not sufficient alone — Southeast soil saturation defeats them during heavy storms.
Sump Pump Sizing
A 1/2 HP sump pump with battery backup is standard in this region. Power outages are common during the storms that create the most water — a battery backup is non-negotiable. Expect to replace pumps every 7–10 years.
What to Watch For in Florida
- !Reject any waterproofing quote that does not include a sump pump in the Southeast
- !Confirm the discharge line cannot back-flow during a flooded yard scenario (check valve required)
- !Pair with encapsulation — sealed crawl space + drainage is the long-term Southeast standard
Waterproofing Contractors in St. Augustine Shores
A-Z Roofing & Waterproofing Inc
239 FL-16, St. Augustine, FL 32084, USA
61 reviews
ZND-WIN Attic-Solution & Insulation's & Roofing Service Augustine, FL
21 Old Mission Ave, St. Augustine, FL 32084, USA
4 reviews
Sunbelt Restoration
2802 N 9th St, St. Augustine, FL 32084, USA
4 reviews
OneRestore St Augustine
1731 Dobbs Rd # 9, St. Augustine, FL 32084, USA
5 reviews
ZND-AK Attic-Solution & Insulation's & Roofing Service Augustine, FL
6836 Cypress Point Dr, St. Augustine, FL 32086, USA
7 reviews
ZND-MA Attic-Solution & Insulation's & Roofing Service Augustine, FL
4320 A1A S, St. Augustine, FL 32080, USA
5 reviews
ZND-AP Attic-Solution & Insulation's & Dryer Vent Cleaning Service FL
1715 Lakeside Ave # 7, St. Augustine, FL 32084, USA
7 reviews
Mold Masters
99 King St Suite 3561, St. Augustine, FL 32084, USA
37 reviews
St. Augustine Mold Removal & Remediation Pros
2601 N Ponce De Leon Blvd #101, St. Augustine, FL 32084, USA
6 reviews
ServiceMaster Restoration by Professional Services St. Augustine
50 Ellis St suite 205, St. Augustine, FL 32095, USA
11 reviews
St. Augustine Mold Removal Deals
100 Southpark Blvd #109, St. Augustine, FL 32086, USA
9 reviews
Sunshine Foundation Repair
2203 Hamilton St, Jacksonville, FL 32210, USA
150 reviews
PuroClean Emergency Restoration Services
155 International Golf Pkwy, St. Augustine, FL 32095, USA
239 reviews
Stanford Restoration, Inc
50 S Dixie Hwy #5, St. Augustine, FL 32084, USA
107 reviews
Paul Davis Restoration of St Augustine
2050 Dobbs Rd, St. Augustine, FL 32086, USA
21 reviews
TCB Enviro Corp
3501 N Ponce De Leon Blvd, St. Augustine, FL 32084, USA
68 reviews
Williams Attic-solution & insulation & roofing Services FL
906 Prince Rd, St. Augustine, FL 32086, USA
9 reviews
SERVPRO of St. Augustine, St. Augustine Beach, S. Nocatee and World Golf Village
2205 Dobbs Rd STE A, St. Augustine, FL 32086, USA
198 reviews
FDD Attic-Solution & Insulation's & Roofing Service Augustine, FL
1445 Arapaho Ave, St. Augustine, FL 32084, USA
8 reviews
ZND-PER Attic-Solution & Insulation's & Roofing Service Augustine, FL
#283, St. Augustine, FL 32085, USA
12 reviews
ZND-HAM Attic-Solution & Insulation's & Roofing Service FL
1829 Old Beach Rd, St. Augustine, FL 32080, USA
7 reviews
Waterproofing FAQs — St. Augustine Shores, Florida
Which companies offer crawl space waterproofing in St. Augustine Shores?
A-Z Roofing & Waterproofing Inc (4.6★) lists waterproofing in St. Augustine Shores. 1 of 21 local crawl space companies tag this service directly.
How many crawl space contractors serve St. Augustine Shores?
21 crawl space companies are listed for St. Augustine Shores; Mold Masters is the highest-rated at 5.0★ (37 reviews). Pros in nearby Orlando and Jacksonville also cover the area.
How much does crawl space waterproofing cost in St. Augustine Shores, Florida?
Crawl space waterproofing in St. Augustine Shores, Florida typically costs $1,500–$5,000 for a complete interior drainage system with sump pump. Southeast — Heavy Seasonal Rain pricing reflects local labor rates and the specific drainage scope each climate demands.
Do I need an interior or exterior drainage system in St. Augustine Shores?
Interior perimeter drains are the primary line of defense in the Southeast. Exterior French drains help but are not sufficient alone — Southeast soil saturation defeats them during heavy storms.
What size sump pump do I need in St. Augustine Shores?
A 1/2 HP sump pump with battery backup is standard in this region. Power outages are common during the storms that create the most water — a battery backup is non-negotiable. Expect to replace pumps every 7–10 years.
Why is exterior grading important for waterproofing in Florida?
Verify a 6-inch fall over the first 10 feet from foundation. Many Southeast homes have settled grade that now slopes toward the foundation — re-grading before drainage installation prevents 30–50% of water issues.
When should I schedule waterproofing in St. Augustine Shores?
November through March — outside hurricane season and dry enough for excavation. Avoid May–October when storm bursts make crawl space access dangerous.
Expected ROI
Avoiding one major flood event ($8K–$25K in damage to floors, drywall, and HVAC) typically pays for the entire system within 2–5 years. Insurance: many Southeast carriers now offer 5–15% premium discounts for documented waterproofing systems.
Best Season to Schedule
November through March — outside hurricane season and dry enough for excavation. Avoid May–October when storm bursts make crawl space access dangerous.
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Waterproofing Guides
Southeast — Heavy Seasonal Rain
Annual rainfall: 45–65 inches, concentrated in summer thunderstorms