Delaware Valley Basement Waterproofing
General contractor in Wilmington, DE 19801
About this company
Delaware Valley Basement Waterproofing is listed as a general contractor at 901 N Tatnall St in Wilmington, Delaware, in New Castle County. It is one of 25 general contractors in ZIP 19801.
Other construction companies nearby
BPGS Construction1000 N West St, Wilmington
0.1 mi(302) 691-2111
The Nemours Building1007 N Orange St, Wilmington
0.1 mi(302) 658-8650
Green Planet Construction110 W 9th St # 812, Wilmington
0.1 mi(302) 299-0758
Marinelli Contracting207 W 7th St, Wilmington
0.2 mi(302) 256-0601
Renner's Paving1001 Jefferson St, Wilmington
0.2 mi(302) 652-7833
Housing market around ZIP 19801
Figures describe the local area, not this company.
Typical home value$178,000+0.1% past year · +138% in 10 years
Typical rent$1,809+2.0% past year
12-month value outlook+2.1%
New homes permitted, 20251,322New Castle County
Days to sale agreement15Philadelphia metro · 13 a year ago
Listings with a price cut26.3%Philadelphia metro
Sale price vs list100.1%Philadelphia metro
New construction sales229Philadelphia metro, Aug · −25% from last year
Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.
Typical home value, last 10 years
Source: Zillow Home Value Index, Sep 2026.
Local building angle: New Castle County permitted 1,322 new homes in 2025, including 188 apartment units. 24% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.