Crawl Space Repair in Herndon, Virginia

Find trusted local contractors for crawl space encapsulation, waterproofing, mold removal, and more in Herndon. 26 local companies found.

Local Price Estimates — Herndon

Encapsulation$3,000$8,000
Repair$1,500$6,000
Waterproofing$1,500$5,000
Mold Removal$500$4,000
Inspection$150$400

* Estimates based on local market rates. Get free quotes for exact pricing.

Crawl Space Contractors in Herndon

Coventry Services LLC

14720 Flint Lee Rd # B, Chantilly, VA 20151, USA

5.0

110 reviews

Crawl Space Repair

Century Waterproofing

45945 Trefoil Ln #206, Sterling, VA 20166, USA

5.0

3 reviews

Waterproofing

A2 National Concrete LLC

13331 Rowles Pl, Herndon, VA 20170, USA

5.0

1 reviews

Crawl Space Repair

DMV Foundation Solutions

4307 Wheeler Ave Suite 100, Alexandria, VA 22304, USA

5.0

99 reviews

Foundation Repair

Constructology, LLC

850 Colvin Ct, Herndon, VA 20170, USA

5.0

14 reviews

Crawl Space Repair

Mold Removal Services

45498 Lakeside Dr, Sterling, VA 20165, USA

5.0

33 reviews

Mold Removal

PuroClean Emergency Services

201 Davis Dr, Sterling, VA 20164, USA

5.0

58 reviews

Crawl Space Repair

Mold Relief

1934 Old Gallows Rd STE 350, Vienna, VA 22182, USA

5.0

9 reviews

Mold Removal

Fortress Foundation Solutions

4455 Brookfield Corporate Dr Suite 103, Chantilly, VA 20151, USA

5.0

31 reviews

Foundation Repair

United Water Restoration Group of Fairfax

45915 Maries Rd #164, Sterling, VA 20166, USA

4.9

66 reviews

Crawl Space Repair

Kelvin's

502 Shaw Rd, Sterling, VA 20166, USA

4.9

36 reviews

Crawl Space Repair

Exceptional Restoration Services

43671 Trade Center Pl, Sterling, VA 20166, USA

4.9

55 reviews

Crawl Space Repair

Bnts Construction LLC

205 Van Buren St Suite 120, Herndon, VA 20170, USA

4.9

43 reviews

Crawl Space Repair

DESKA Foundation Repair & Basement Waterproofing

8809 Cooper Rd, Alexandria, VA 22309, USA

4.9

42 reviews

WaterproofingFoundation RepairDrainage

Crawl Space Brothers

4601 Fairfax Dr Suite 1200, Arlington, VA 22203, USA

4.9

33 reviews

Crawl Space Repair

NV Waterproofing & Foundation Repair

12200 Livingston Rd #100, Manassas, VA 20109, USA

4.9

994 reviews

WaterproofingFoundation Repair

RestorTech, Inc.

13849 Park Center Rd Suite G, Herndon, VA 20171, USA

4.9

78 reviews

Crawl Space Repair

DESKA Foundation Repair & Basement Waterproofing

4609 Pinecrest Office Park Dr B, Alexandria, VA 22312, USA

4.9

63 reviews

WaterproofingFoundation RepairDrainage

Founders Insulation

4447 Brookfield Corporate Dr A, Chantilly, VA 20151, USA

4.8

102 reviews

Insulation

Crawl Space Brothers

700 12th St NW STE 700, Washington, DC 20005, USA

4.8

90 reviews

Crawl Space Repair

3 Pros Basement Systems

45714 Oakbrook Ct #130, Sterling, VA 20166, USA

4.8

83 reviews

Drainage

Comfenergy

45714 Oakbrook Ct #180, Sterling, VA 20166, USA

4.8

381 reviews

Crawl Space Repair

JES Foundation Repair

7940 Gainsford Ct, Bristow, VA 20136, USA

4.7

1960 reviews

Foundation Repair

58 Foundations & Waterproofing

14000 Crown Ct Unit 107, Woodbridge, VA 22193, USA

4.7

266 reviews

WaterproofingFoundation Repair

Paul Davis Restoration of Northern Virginia

44601 Guilford Dr, Ashburn, VA 20147, USA

4.6

377 reviews

Crawl Space Repair

Structural Repair & Renovations

1889 Preston White Dr, Reston, VA 20191, USA

4.0

36 reviews

Foundation Repair

FAQs — Crawl Space Services in Herndon

How much does crawl space repair cost in Herndon?

Crawl space repair in Herndon, Virginia typically costs between $1,500 and $6,000, depending on the extent of damage and services required.

How much does crawl space encapsulation cost in Herndon?

Crawl space encapsulation in Herndon typically costs between $3,000 and $8,000. The price depends on the size of your crawl space and the materials used.

What crawl space services are available in Herndon?

Local contractors in Herndon offer encapsulation, repair, waterproofing, mold removal, insulation, cleaning, and inspection services. Use our directory to find and compare local professionals.

Crawl Space Concerns in Virginia

The Southeast has the most challenging crawl space conditions in the country. Hot, humid air entering through foundation vents condenses on cooler crawl space surfaces, creating a moisture cycle that vented designs cannot solve. Encapsulation with a dehumidifier is the standard recommendation in this region.

!Year-round high humidity (70–90%) causes persistent crawl space moisture
!Termite and wood-destroying insect pressure is among the highest in the US
!Mold grows rapidly in warm, damp conditions — often within 24–48 hours
!Vented crawl spaces in this region pull in hot, humid air that condenses on cooler surfaces
!Heavy seasonal rainfall and high water tables increase flooding risk

Local Tip — Virginia

In most Southeast states, building codes now allow (and many require) sealed crawl spaces. If your home has a vented crawl space, converting to sealed is one of the highest-ROI home improvements you can make in this climate.

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Pro Tip

Prices vary by location, crawl space size, and severity. Always get 2–3 quotes before hiring.