Crawl Space Mold Removal in Grand Forks, North Dakota

23 crawl space companies serve Grand Forks, North Dakota, with 2,270 customer reviews between them. Most full-service crawl space contractors handle mold removal even when it isn't listed separately — confirm scope when comparing quotes. Local mold removal typically runs $500–$3,900.

Get mold remediation quotes from Grand Forks pros certified in HEPA containment and post-clearance testing. For full service comparisons, see all crawl space contractors in Grand Forks or waterproofing pros in Grand Forks.

Grand Forks Mold Remediation Cost — Midwest — Flood + Storm-Driven Mold

$500$3,900complete remediation

Event-driven mold growth from spring flooding and severe storms.

Cost varies with contamination area, mold type (Stachybotrys requires Category III), and whether materials need replacement. Get 2–3 quotes for an exact number.

Why Mold Develops in Grand Forks Crawl Spaces

Midwest crawl space mold is overwhelmingly event-driven: a spring flash flood, a tornado damage event, or a sump pump failure during a multi-day power outage. Pair this with elevated radon levels in most of the Midwest and you have a remediation challenge that often involves health-hazard double remediation. Insurance coverage is usually broader than other regions because flooding is a discrete event rather than gradual damage.

Health Symptoms Linked to Crawl Space Mold

Post-flood mold exposure in the Midwest often involves Stachybotrys, which can cause more serious symptoms than typical Aspergillus/Penicillium: persistent headaches, neurological complaints, severe sinus issues. Children, elderly, and immunocompromised should avoid the home until clearance.

Common Mold Types in North Dakota Crawl Spaces

  • Stachybotrys chartarum (common in flood damage — requires Category III)
  • Chaetomium (water-damaged wood)
  • Aspergillus / Penicillium
  • Fusarium (standing water situations)
  • Cladosporium

What a Proper Remediation in Grand Forks Looks Like

  1. 1Documentation for insurance (photos, moisture readings, mold testing pre-remediation)
  2. 2Containment with negative-air HEPA scrubbers
  3. 3Removal of all flood-contaminated insulation, vapor barrier, joists if rotted
  4. 4Structural drying with industrial dehumidifiers and air movers (3–7 days)
  5. 5Antimicrobial treatment with documented EPA-registered product
  6. 6Post-clearance air and surface sampling
  7. 7Radon-rated barrier reinstallation if Zone 1

Insurance Coverage in North Dakota

Midwest insurance coverage for flood-event mold is generally broad — most policies cover sudden-event mold at no additional cost. File quickly (within 72 hours when possible) and document everything. Flood insurance (NFIP) may be separate from homeowners coverage in flood-zone properties.

Post-Remediation Care

Pair remediation with sump pump upgrade and battery backup, vapor barrier replacement (radon-rated if Zone 1), and dehumidifier installation. Without these, the next severe weather event repeats the cycle.

What to Watch For in North Dakota

  • !Document everything for insurance — Midwest carriers often require pre-remediation photos and mold testing
  • !Confirm the contractor is licensed for both mold remediation AND radon mitigation (different licenses in many Midwest states)
  • !Demand a battery-backup sump pump as part of post-remediation work

Mold Remediation Contractors in Grand Forks

ICS, Inc. (Industrial Contract Services)

State, 2500 Mill Rd, Grand Forks, ND 58203, USA

5.0

11 reviews

Crawl Space Repair

Ackerman Construction

1919 Dyke Ave apt 2, Grand Forks, ND 58201, USA

5.0

26 reviews

Crawl Space Repair

ACE Construction LLC

1703 11th Ave N, Grand Forks, ND 58203, USA

5.0

22 reviews

Crawl Space Repair

Riedhammer Masonry: Masonry Contractor.

404 2nd Ave NE, East Grand Forks, MN 56721, USA

5.0

19 reviews

Crawl Space Repair

ABC Building Maintenance

PO Box 5371, Grand Forks, ND 58206, USA

5.0

1 reviews

Crawl Space Repair

Applegren Construction, INC

1015 N 51st St B, Grand Forks, ND 58203, USA

5.0

3 reviews

Crawl Space Repair

Rhino Contracting

1003 S 48th St, Grand Forks, ND 58201, USA

5.0

7 reviews

Crawl Space Repair

Steamatic of Grand Forks

4051 Gateway Dr, Grand Forks, ND 58203, USA

4.9

465 reviews

Crawl Space Repair

MAK Construction

4575 32nd Ave S Suite 5, Grand Forks, ND 58201, USA

4.9

42 reviews

Crawl Space Repair

Custom Basement Solutions

3966 9th Ave S unit 1, Fargo, ND 58103, USA

4.8

55 reviews

Drainage

American Waterworks

1307 Valleyhigh Dr NW, Rochester, MN 55901, USA

4.8

1295 reviews

Crawl Space Repair

American Waterworks

4119 14th Ave N, Fargo, ND 58102, USA

4.7

157 reviews

Crawl Space Repair

GF Handyman Services

2534 W Fallcreek Ct, Grand Forks, ND 58201, USA

4.7

15 reviews

Crawl Space Repair

Structural Materials Inc.

4924 Gateway Dr, Grand Forks, ND 58203, USA

4.7

25 reviews

Foundation Repair

Cullen Insulation

3156 N Washington St, Grand Forks, ND 58203, USA

4.7

18 reviews

Insulation

AAA Quality Cleaners

1233 S 38th St, Grand Forks, ND 58201, USA

4.6

18 reviews

Crawl Space Repair

Curt's Fiberglass Repair

213 N 11th St, Grand Forks, ND 58203, USA

4.6

5 reviews

Crawl Space Repair

Red Level Improvements

830 S 48th St, Grand Forks, ND 58201, USA

4.5

45 reviews

Crawl Space Repair

Craftmasters Construction

1202 Reeves Dr, Grand Forks, ND 58201, USA

4.3

6 reviews

Crawl Space Repair

Tony Anderson Construction Inc. & Boomin' Concrete

2097 N 42nd St, Grand Forks, ND 58203, USA

4.1

9 reviews

Crawl Space Repair

Dakota Mud Jack

3455 S 31st St APT 1, Grand Forks, ND 58201, USA

4.0

4 reviews

Crawl Space Repair

Outlaw Concrete and Landscaping

5196 7th Ave N, Grand Forks, ND 58203, USA

3.7

21 reviews

Crawl Space Repair

Right Way Restoration Inc

3140 Gateway Dr D, Grand Forks, ND 58203, USA

1.0

1 reviews

Crawl Space Repair

Mold Remediation FAQs — Grand Forks, North Dakota

Which companies offer crawl space mold removal in Grand Forks?

ICS, Inc. (Industrial Contract Services) (5.0★), Ackerman Construction (5.0★), ACE Construction LLC (5.0★) are the top-rated crawl space companies in Grand Forks, and most full-service contractors handle mold removal — ask for it specifically when requesting quotes.

How many crawl space contractors serve Grand Forks?

23 crawl space companies are listed for Grand Forks; Ackerman Construction is the highest-rated at 5.0★ (26 reviews). Pros in nearby Fargo and Moorhead also cover the area.

How much does crawl space mold removal cost in Grand Forks, North Dakota?

Crawl space mold remediation in Grand Forks, North Dakota typically costs $500–$3,900. Pricing depends on contamination area, mold type (Stachybotrys requires Category III containment and costs more), and whether structural materials need replacement. Midwest — Flood + Storm-Driven Mold pricing reflects local labor rates and the climate-driven scope.

What are the symptoms of crawl space mold exposure?

Post-flood mold exposure in the Midwest often involves Stachybotrys, which can cause more serious symptoms than typical Aspergillus/Penicillium: persistent headaches, neurological complaints, severe sinus issues. Children, elderly, and immunocompromised should avoid the home until clearance.

Will my homeowner's insurance cover mold remediation in North Dakota?

Midwest insurance coverage for flood-event mold is generally broad — most policies cover sudden-event mold at no additional cost. File quickly (within 72 hours when possible) and document everything. Flood insurance (NFIP) may be separate from homeowners coverage in flood-zone properties.

What does the mold remediation process include?

A proper crawl space mold remediation in Grand Forks includes: Documentation for insurance (photos, moisture readings, mold testing pre-remediation); Containment with negative-air HEPA scrubbers; Removal of all flood-contaminated insulation, vapor barrier, joists if rotted; Structural drying with industrial dehumidifiers and air movers (3–7 days). Skip any contractor that omits post-clearance air testing — without it you have no proof remediation worked.

When should I schedule mold remediation in Grand Forks?

June through October. Avoid March–May (peak flood season — substrate is wet and remediation gets re-contaminated). Winter access is difficult in heavy-snow areas.

Expected ROI

In flood-prone Midwest counties, the avoided second-remediation cost (typical $8K–$25K) often pays for the post-remediation mitigation system within one weather cycle. Insurance claims handling: document remediation thoroughly to support future claims.

Best Season to Schedule

June through October. Avoid March–May (peak flood season — substrate is wet and remediation gets re-contaminated). Winter access is difficult in heavy-snow areas.

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Midwest — Flood + Storm-Driven Mold

Event-driven mold growth from spring flooding and severe storms