Crawl Space Encapsulation in St. Anthony, Minnesota

27 crawl space companies serve St. Anthony, Minnesota, with 3,854 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 $3,000–$8,000.

Get sealed crawl space quotes from St. Anthony contractors who specialize in vapor barriers, vent sealing, and dehumidification. For broader services, see all crawl space repair contractors in St. Anthony.

St. Anthony Encapsulation Cost — Midwest — Radon + Moisture

$3,000$8,000complete system

Variable: humid summers (70–85%), dry winters (30–45%). Primary driver: radon mitigation, flooding, clay-soil moisture.

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 St. Anthony

The Midwest is the highest-radon region in the country. Encapsulation here is most effective when paired with active radon mitigation — the same vapor barrier that blocks moisture also blocks soil gas. Bundling encapsulation with radon mitigation typically saves $500–$1,200 vs separate installations.

What a St. Anthony Encapsulation System Should Include

  • 12–20 mil vapor barrier with sealed seams (radon-rated)
  • Active radon mitigation system (sub-membrane depressurization)
  • Sump pump and interior drainage (heavy clay soils retain water)
  • Wall insulation R-10 to R-15
  • Dehumidifier sized 70–90 pints/day
  • Reinforced barrier in flood-prone areas

What to Watch For in Minnesota

  • !Test radon BEFORE encapsulation. If levels are high, design the system for radon mitigation from day one — retrofitting is expensive
  • !Demand a barrier with sealed seams, not just overlapped — radon migrates through gaps
  • !Confirm the contractor is licensed for both encapsulation AND radon mitigation (different licenses in many states)

Encapsulation Contractors in St. Anthony

365 LLC

1281 114th Ave NW, Coon Rapids, Minneapolis, Minneapolis, MN 55448, USA

5.0

23 reviews

Crawl Space Repair

Dry Air Restoration Inc.

8401 73rd Ave N Suite 86, Brooklyn Park, MN 55428, USA

5.0

116 reviews

Crawl Space Repair

SIMESOTA Restoration

11755 Arnold Palmer Trail NE, Blaine, MN 55449, USA

5.0

95 reviews

Crawl Space Repair

The St Paul Foundation Repair Pros

348 Maria Ave #8, St Paul, MN 55106, USA

5.0

4 reviews

Foundation Repair

Minneapolis Water Damage Specialist 24/7 - MN Water, Mold & Fire Restoration

4901 N Queen Ave, Minneapolis, MN 55430, USA

5.0

7 reviews

Mold Removal

SafeBasements Waterproofing & Foundation Repair Experts

8100 Wayzata Blvd, Golden Valley, MN 55426, USA

5.0

2 reviews

WaterproofingFoundation RepairDrainage

The Foundation Repair Company

661 Payne Ave #8, St Paul, MN 55130, USA

5.0

4 reviews

Foundation Repair

Concrete and Foundation Solutions LLC

8923 Springwood Dr, Woodbury, MN 55129, USA

5.0

50 reviews

Foundation Repair

Waterproofing Northeast

3134 California St NE, Minneapolis, MN 55418, USA

5.0

167 reviews

Waterproofing

Minneapolis Spray Foam Insulation Pros

4533 Oakland Ave, Minneapolis, MN 55407, USA

5.0

63 reviews

Insulation

Green Home Solutions of The Twin Cities (MN)

9197 Davenport St NE, Blaine, MN 55449, USA

5.0

78 reviews

Crawl Space Repair

SERVPRO of Northeast Minneapolis

1480 County Rd C West, Roseville, MN 55113, USA

4.9

94 reviews

Crawl Space Repair

Standard Water Control Systems

5337 Lakeland Ave N, Crystal, MN 55429, USA

4.9

1026 reviews

Crawl Space Repair

SERVPRO of Downtown Minneapolis/Team Bates & Hogan

331 2nd Ave S Suite #456, Minneapolis, MN 55401, USA

4.9

71 reviews

Crawl Space Repair

Green Clean

5301 E River Rd #115, Fridley, MN 55421, USA

4.9

401 reviews

Crawl Space Repair

Groundworks

23 4th St SE suite 210, Minneapolis, MN 55414, USA

4.9

128 reviews

Crawl Space Repair

Groundworks

6265 Carmen Ave E, Inver Grove Heights, MN 55076, USA

4.8

1055 reviews

Crawl Space Repair

Twin Cities Insulation

2136 Ford Pkwy Unit 8104D, St Paul, MN 55116, USA

4.8

52 reviews

Insulation

Rainbow Restoration of Shoreview

160 1st St SE Ste E, New Brighton, MN 55112, USA

4.8

45 reviews

Crawl Space Repair

Koala Insulation of St Paul

1901 Oakcrest Ave Suite 7, Roseville, MN 55113, USA

4.7

181 reviews

Insulation

Rapid Restoration DKI

1900 County Rd C West, St Paul, MN 55113, USA

4.7

63 reviews

Crawl Space Repair

Rite-Way Waterproofing

448 Lilac St, Lino Lakes, MN 55014, USA

4.6

58 reviews

Waterproofing

Drew Gardner Concrete and Waterproofing

1227 Hennepin Ave APT 2D, Minneapolis, MN 55403, USA

4.6

47 reviews

Waterproofing

Foundation Repair Pros

93 S Garfield St #2, St Paul, MN 55102, USA

4.6

9 reviews

Foundation Repair

MGT Inc

3100 Country Dr, Little Canada, MN 55117, USA

4.3

11 reviews

Crawl Space Repair

Minneapolis Foundation Services

240 James Ave N, Minneapolis, MN 55405, USA

3.0

4 reviews

Foundation Repair

The Foundation Repair Pros

4550 N Aldrich Ave, Minneapolis, MN 55412, USA

0.0

0 reviews

Foundation Repair

Encapsulation FAQs — St. Anthony, Minnesota

Which companies offer crawl space encapsulation in St. Anthony?

365 LLC (5.0★), Dry Air Restoration Inc. (5.0★), SIMESOTA Restoration (5.0★) are the top-rated crawl space companies in St. Anthony, and most full-service contractors handle encapsulation — ask for it specifically when requesting quotes.

How many crawl space contractors serve St. Anthony?

27 crawl space companies are listed for St. Anthony; Waterproofing Northeast is the highest-rated at 5.0★ (167 reviews). Pros in nearby Minneapolis and St. Paul also cover the area.

How much does crawl space encapsulation cost in St. Anthony, Minnesota?

Crawl space encapsulation in St. Anthony, Minnesota typically costs $3,000–$8,000 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. Midwest — Radon + Moisture pricing reflects local labor rates and climate-driven scope.

What vapor barrier thickness is best for St. Anthony?

20-mil radon-rated is recommended if you are mitigating radon. For moisture-only projects, 12-mil is sufficient. Always specify "radon-rated" if radon levels are >2 pCi/L.

Do I need a dehumidifier with encapsulation in St. Anthony?

A 70–90 pint/day unit covers most Midwest crawl spaces. Pair with the radon fan — they handle different problems but share the same sealed envelope.

How long does crawl space encapsulation last?

A professional encapsulation system in St. Anthony 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 St. Anthony?

Late summer through fall (August–October). Avoid spring — flooding makes crawl space access unsafe and wet substrate prevents proper barrier adhesion.

Expected ROI

Radon reduction alone is a health benefit, not a financial one — but it is required disclosure on real estate transactions in most Midwest states. Encapsulation + radon mitigation together typically add $8K–$18K to home value vs unmitigated.

Best Season to Schedule

Late summer through fall (August–October). Avoid spring — flooding makes crawl space access unsafe and wet substrate prevents proper barrier adhesion.

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Midwest — Radon + Moisture

Variable: humid summers (70–85%), dry winters (30–45%).