Crawl Space Encapsulation in Annapolis, Maryland
22 crawl space companies serve Annapolis, Maryland, with 3,296 customer reviews between them. Most full-service crawl space contractors handle encapsulation even when it isn't listed separately — confirm scope when comparing quotes. Local encapsulation typically runs $2,950–$7,800.
Get sealed crawl space quotes from Annapolis contractors who specialize in vapor barriers, vent sealing, and dehumidification. For broader services, see all crawl space repair contractors in Annapolis.
Annapolis Encapsulation Cost — Southeast — High Humidity
Average summer crawl space humidity: 75–95%. Primary driver: persistent humidity, mold pressure, termite activity.
Cost varies with crawl space sq ft, vapor barrier mil thickness, dehumidifier sizing, and wall insulation. Get 2–3 quotes for an exact number.
Why Encapsulation Matters in Annapolis
In the Southeast, vented crawl spaces draw in hot, humid summer air that condenses on cooler surfaces and feeds mold within 24–48 hours. Encapsulation is no longer "optional" here — most Southeast building codes now allow or require sealed crawl spaces. The combination of a sealed vapor barrier, vent caps, and a dedicated dehumidifier is the standard remediation.
What a Annapolis Encapsulation System Should Include
- ✓12–20 mil reinforced vapor barrier on floor and 6–12 inches up walls
- ✓Mechanical vent sealing on all foundation vents
- ✓R-10 to R-13 wall insulation (rigid foam)
- ✓Crawl space-rated dehumidifier (70–95 pints/day depending on sq ft)
- ✓Antimicrobial pre-treatment if any visible mold
- ✓Pest exclusion at sill plate and penetrations
What to Watch For in Maryland
- !Avoid contractors who use thin (6-mil) plastic — it is not a long-term vapor barrier
- !Reject quotes that omit a dehumidifier — vent sealing without dehumidification can trap moisture
- !Confirm the warranty is transferable to the next homeowner (resale value)
Encapsulation Contractors in Annapolis
PTCC Environmental Services
2141 Priest Bridge Dr #11, Crofton, MD 21114, USA
34 reviews
H&G Restoration
3228 Harness Creek Rd, Annapolis, MD 21403, USA
4 reviews
Budget Waterproofing, Inc.
5191 Raynor Ave, Linthicum Heights, MD 21090, USA
253 reviews
American Eagle Foundation Repair and Waterproofing Experts
500 Bay Dale Dr, Arnold, MD 21012, USA
27 reviews
Rock Solid Foundations LLC
305 Steamboat Ave, Queenstown, MD 21658, USA
31 reviews
American Eagle Foundation Repair and Waterproofing Experts
605 Main St Suite #204, Stevensville, MD 21666, USA
32 reviews
Capstone Waterproofing Solutions
9103 Woodmore Center Dr, Glenarden, MD 20706, USA
94 reviews
Crawl Space Brothers
8101 Sandy Spring Rd Ste 250, Laurel, MD 20707, USA
30 reviews
Total Home Performance LLC
8625 Brooks Dr, Easton, MD 21601, USA
382 reviews
Chesapeake Crawl Space Solutions LLC
6408 Landing Neck Rd, Easton, MD 21601, USA
35 reviews
Maryland Mold and Waterproofing
1717 Midway Rd, Odenton, MD 21113, USA
247 reviews
B.C. Bassford Masonry-Concrete Corp.
607 Delmar Rd, Edgewater, MD 21037, USA
31 reviews
JES Foundation Repair
645 Ridgely Ave Suite 201, Annapolis, MD 21401, USA
102 reviews
MD Waterproofing
514 G Crain Hwy N, Glen Burnie, MD 21061, USA
72 reviews
PuroClean Emergency Restoration Specialists
216-F Log Canoe Cir, Stevensville, MD 21666, USA
24 reviews
Value Dry Basement Waterproofing
1434 Odenton Rd, Odenton, MD 21113, USA
337 reviews
JES Foundation Repair
8361 Town Center Ct, Nottingham, MD 21236, USA
957 reviews
'58 Foundations & Waterproofing
823 N Hammonds Ferry Rd Suite D, Linthicum Heights, MD 21090, USA
385 reviews
SERVPRO of Annapolis/Severna Park
1446 Ritchie Hwy, Arnold, MD 21012, USA
103 reviews
Worldwide Waterproofing and Foundation Repair Inc.
8259 Baltimore Annapolis Blvd, Pasadena, MD 21122, USA
74 reviews
Ram Jack of Maryland & D.C.
1230 Cronson Blvd Unit A, Crofton, MD 21114, USA
42 reviews
Encapsulation FAQs — Annapolis, Maryland
Which companies offer crawl space encapsulation in Annapolis?
PTCC Environmental Services (5.0★), H&G Restoration (5.0★), Budget Waterproofing, Inc. (5.0★) are the top-rated crawl space companies in Annapolis, and most full-service contractors handle encapsulation — ask for it specifically when requesting quotes.
How many crawl space contractors serve Annapolis?
22 crawl space companies are listed for Annapolis; Budget Waterproofing, Inc. is the highest-rated at 5.0★ (253 reviews). Pros in nearby Philadelphia and Washington also cover the area.
How much does crawl space encapsulation cost in Annapolis, Maryland?
Crawl space encapsulation in Annapolis, Maryland typically costs $2,950–$7,800 for a complete system. Pricing depends on crawl space size, vapor barrier mil thickness (12-mil to 20-mil), whether a dehumidifier is included, and wall insulation specs. Southeast — High Humidity pricing reflects local labor rates and climate-driven scope.
What vapor barrier thickness is best for Annapolis?
20-mil reinforced is recommended in this climate. Cheaper 6-mil or 10-mil sheeting will tear and degrade within 3–5 years under Southeast humidity.
Do I need a dehumidifier with encapsulation in Annapolis?
A dedicated crawl space dehumidifier sized for 90+ pints/day is standard for 1,500–2,500 sq ft homes. Maintain humidity below 55% year-round — this is non-negotiable in the Southeast.
How long does crawl space encapsulation last?
A professional encapsulation system in Annapolis lasts 15–25 years. The vapor barrier itself (especially 20-mil reinforced products) can last 25+ years. Dehumidifiers should be serviced annually and replaced every 8–12 years. Most contractors offer transferable warranties of 10–25 years on the vapor barrier and 5–7 years on the dehumidifier.
When is the best time of year to encapsulate a crawl space in Annapolis?
Schedule between November and March. Crawl space humidity is lowest, contractors are less booked, and you avoid the May–September peak when most encapsulations get installed reactively after mold discovery.
Expected ROI
Energy savings: 8–18% of total home heating/cooling. Resale value: most appraisers add $5K–$15K for a fully encapsulated, transferable-warranty system. Many buyers in the Southeast now expect encapsulation in homes with crawl spaces.
Best Season to Schedule
Schedule between November and March. Crawl space humidity is lowest, contractors are less booked, and you avoid the May–September peak when most encapsulations get installed reactively after mold discovery.
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Southeast — High Humidity
Average summer crawl space humidity: 75–95%.