General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 551675 Shea Homes, LP Privately-Owned Business 9990 Mesa Rim Road Ste 200 San Diego, CA 92121 858-526-6551 null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 852128 Hidden Valley Ranch San Diego 9 Dredge/Fill Site Owner and Operator 06/18/2025 null 815853 Hidden Valley Estates San Diego 9 Dredge/Fill Site Owner 06/12/2015 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 576432 Shea Homes, Inc. Organization Member Of (Passive) 04/26/2018 null Privately-Owned Business 551674 John Vance Person Legally Responsible Official 06/12/2015 null null Regulatory Measures(non-enforcement) Reg. Measure ID Regulatory Measure Type Region WDID Title Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date 425965 401 Certification 9 9 000003365 401 Cert R9-2019-0218 for Shea Homes (formerly Barbara Malone) Hidden Valley Ranch Project Active CERFILLEXC R9-2019-0218 11/27/2019 null Discharger 06/18/2025 null 401489 401 Certification 9 9 000002861 401 Cert R9-2015-0101 for Shea Homes, LP - Hidden Valley Estates Project Historical CERFILLEXC R9-2015-0101 09/14/2016 06/23/2022 Discharger 06/12/2015 null Violations within the past calendar year Violation ID Occurrence Date Violation Type Violation Description Violation Status Priority Source Facility Name Violated Reg. Meas. ID Violated Reg. Meas. Order No. Linked To Enf. Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status 421065 Shea Homes, Inc. Enrollee - Waiver LNDISPOTH 05/08/2018 Active 399926 Shea Homes, Inc. 401 Certification CERFILLEXC 07/26/2018 Historical 420555 John Vance 401 Certification CERFILLEXC 06/29/2020 Active