sam.directory home Get Started
Active registration

John Madonna Construction Co, Inc

San Luis Obispo, CA

General information for John Madonna Construction Co, Inc

Physical address
12165 Los Osos Valley Rd, San Luis Obispo, Ca, 93405
Mailing address
P.o. Box 5310, San Luis Obispo, CA, 93403
Website
jmadonna.com

Points of contact for John Madonna Construction Co, Inc

SAM.gov Points of Contact

CONNIE WALTER
Government Business POC Electronic Business POC
CFO
P.O. BOX 5310, San Luis Obispo, CA, 93403
JOHN MADONNA
Alternate Government Business POC Alternate Electronic Business POC
P.O. BOX 5310, 12165 LOS OSOS VALLEY ROAD, San Luis Obispo, CA, 93403

Additional contact details may be available

NAICS codes for John Madonna Construction Co, Inc

Code Description Small Business
237110 PRIMARY Water and Sewer Line and Related Structures Construction Yes
237310 Highway, Street, and Bridge Construction Yes
237990 Other Heavy and Civil Engineering Construction No

PSC codes for John Madonna Construction Co, Inc

Code Description
Y1LB CONSTRUCTION OF HIGHWAYS, ROADS, STREETS, BRIDGES, AND RAILWAYS
Y1ND CONSTRUCTION OF SEWAGE AND WASTE FACILITIES
Y1NE CONSTRUCTION OF WATER SUPPLY FACILITIES
Z2LB
REPAIR OR ALTERATION OF HIGHWAYS, ROADS, STREETS, BRIDGES, AND RAILWAYS
Z2ND
REPAIR OR ALTERATION OF SEWAGE AND WASTE FACILITIES
Z2NE
REPAIR OR ALTERATION OF WATER SUPPLY FACILITIES

Update history

1 change(s) tracked
Feb 21, 2026
NAICS 237990: exception YY → YN
Subscribe to see every tracked change to this contractor's registration, codes and certifications.