Installation of interior waterproofing system; Alteration; Residential AlterationArlington County · 2025$16,000
Installation of interior sub-slab drainage system and sump.; Alteration; Residential AlterationArlington County · 2025$10,313
Trim joist and add new wood in front of existing board. Attach with lag bolts to existing wood board and beam; Alteration; Residential AlterationArlington County · 2025$4,936
Installation of sub-slab drainage system with cleanspace vapor barrier and pump.; Alteration; Residential AlterationArlington County · 2025$9,400
Installation of sub-slab drainage system and cl;eanspace vapor barrier.Installation of crawlspace encapsulation.; Alteration; Residential AlterationArlington County · 2024$35,541
Installation of sub-slab drainage system and cleanspace vapor barrier connected to TripleSafe pump; Alteration; Residential AlterationArlington County · 2024$15,254
Installation of sub slab drainage system and cleanspace vapor barrier; Alteration; Residential Alteration
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Track record sourced from public building-permit records. Figures reflect permitted projects, not self-reported work. Listed on Proven Pros.
Arlington County · 2024
$13,000
Installation of sub-slab drianage system, cleanspace on the wall and floor of crawlspace, and PowerBrace wall reinforcement; Addition; Residential AdditionArlington County · 2024$15,650
Install sub-floor drainage system, WaterGuard and vapor barrier CleanSpace on the walls.; Alteration; Residential AlterationArlington County · 2024$13,100
Installation of WaterGuard sub-floor drainage system on the SW corner of basement.; Alteration; Residential AlterationArlington County · 2024$10,200
Installation of interior waterproof drainage system with vapor barrier and sump pump systems.; Alteration; Residential AlterationArlington County · 2023$8,400
Install waterguard drainage and pump in basement.; Alteration; Residential AlterationArlington County · 2023$8,082
Permitted projects on public record. Addresses are omitted for privacy.