Quartz Construction & Demolition
Excavation contractor in Concord, CA 94521
About this company
Quartz Construction & Demolition is listed as an excavation contractor at 1070 White Oak Dr in Concord, California, in Contra Costa County. It is one of 2 excavation and demolition companies in ZIP 94521.
Other excavation and demolition companies nearby
Janus Corporation1081 Shary Cir, Concord
3.4 mi(925) 969-9200
Aggregate Engineering Inc.1069 Shary Cir, Concord
3.5 mi(925) 349-4408
Bay Demo1547 Palos Verdes Mall, Walnut Creek
6.7 mi(510) 978-9010
Express Demolition4961 Pacheco Blvd, Martinez
6.8 mi(925) 234-9996
Gerri Hauling and Recycling385 Central Ave, Pittsburg
7.3 mi(925) 565-6636
Housing market around ZIP 94521
Figures describe the local area, not this company.
Typical home value$772,000+0.7% past year · +46% in 10 years
Typical rent$2,912+2.5% past year
12-month value outlook+1.2%
New homes permitted, 20251,163Contra Costa County
Days to sale agreement16San Francisco metro · 22 a year ago
Listings with a price cut21.2%San Francisco metro
Sale price vs list106.1%San Francisco metro
New construction sales91San Francisco metro, Aug · −32% 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: Contra Costa County permitted 1,163 new homes in 2025, including 178 apartment units. 7% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.