Serina Sirna-Blach
1777 Oakland Blvd, Ste 300
Walnut Creek, CA 94596
(925) 838-5675
(925) 838-5915
Upper Yosemite Creek Daylighting
WW-668
San Francisco Public Utilities Commission (SFPUC)
San Francisco, San Francisco County County, CA
04/02/2026 at 02:00
Concrete Contractor (CN046), Concrete Supplier and Manufacturer (EQ031), Construction Traffic Control Services (CN045), Earthwork & Paving (CN033), Electrical Contracting (CN034), Landscape Contractor (CN028), Surveying (Land and Aerial) (AE015), Tree Service (CN047), and Trucking and Hauling (CN005)
Plans and Specifications are available for review at our office or can be downloaded from: https://webapps.sfpuc.org/bids/bidDetail.aspx?bidid=4578
OUTREACH COORDINATOR: Serina Sirna-Blach
TELEPHONE: 925-838-5675
FAX: 925-838-5915
ADDRESS: 1777 Oakland Blvd, Ste 300, Walnut Creek, CA, 94596
EMAIL: estimating@ballconco.com
Call Serina Sirna-Blach for information on the project, submitting a quote, assistance in obtaining bonds, line of credit, insurance, scheduling accommodations, equipment, supplies, materials and related assistance or services.
Attn: Serina Sirna-Blach
1777 Oakland Blvd, STE 300, Walnut Creek, CA 94596
Phone: (925) 838-5675
Fax: (925) 838-0814
estimating@ballconco.com
An Equal Opportunity Employer
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