HELLMUTH, OBATA & KASSABAUM, INC. (CA)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $23.86M
- $23,864,159under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 1
- with positive net obligations
- Latest action
- Jun 14, 2022
- SAM.gov registration
- Active
- Registration expiration date Dec 8, 2026
Registration
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Jan 1, 1995 (31 years)
- Location
- San Francisco, CA
- State of incorporation
- Missouri
- Website
- hok.com
† FY2026 obligations (provisional; DoD awards signed after Jul 23, 2026 are not yet public).
Contract actions that the Department of Defense both funds and awards are withheld at the source for 90 days, so DoD awards signed after Jul 23, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI RTNMPKKL9BA1. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2008. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.
Net obligations by fiscal year of action
- FY2022: -$3,775 (de-obligation)
- FY2020: -$3,403 (de-obligation)
- FY2019: $317,647
- FY2015: $32,203
- FY2014: $142,516
- FY2013: $233,550
- FY2012: $1,682,430
- FY2011: $439,518
Show all 11 yearsEarlier years (FY2008–FY2010)
- FY2010: $6,170,106
- FY2009: $13,726,959
- FY2008: $1,126,408
Total across 11 fiscal years: $23,864,159
Net de-obligation in that fiscal year (obligations withdrawn).
Top awarding agencies
- Department of Defense$23,864,159, 100%
Top awarding sub-agencies
- Department of the Navy$23,864,159, 100%
Top NAICS by obligations
- 541330Engineering services$23,864,159, 100%
Top product and service codes by obligations
- C211A/e svcs. (incl landscaping interio$23,864,159, 100%
Capabilities
NAICS codes
SBA certifications
No certification in the SBA profile data.
Contracts
Latest awards and orders
- N6274205C0001Definitive contractDepartment of DefenseDepartment of the NavyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for HELLMUTH, OBATA & KASSABAUM, INC. lists a physical address and a separate mailing address, along with 5 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.
Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).
Physical Address
1 BUSH ST STE 200
SAN FRANCISCO, CA, 94104
USA
Mailing Address
1 BUSH ST STE 200
SAN FRANCISCO, CA, 94104
USA
Government Business Contact
RICH CHEN
10 SOUTH BROADWAY
ST LOUIS, MO, 63102
USA
Electronic Business Contact
ANTON FOSS
MR.
1 BUSH ST STE 200
SAN FRANCISCO, CA, 94104
USA
Government Business Alternate Contact
RICH CHEN
10 SOUTH BROADWAY
ST LOUIS, MO, 63102
USA
Electronic Business Alternate Contact
ANTON FOSS
MR.
1 BUSH ST STE 200
SAN FRANCISCO, CA, 94104
USA
Past Performance Alternate Contact
0001 541330NNNN N
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0001
E&Y
Additional Details
As of . Source: SAM.gov Entity Registration.
HELLMUTH, OBATA & KASSABAUM, INC. has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires December 8, 2026.
Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.
Compliance & Risk Assessment
Source: SAM.gov FAR responsesSuspension/Debarment Status
SAM.gov registration reports no active exclusion
Public Display
Entity information is publicly displayed
Disaster Relief Registry
Registered for disaster relief contracting — Nationwide
Bonding Information
No bonding information provided
EDI
Not declared in SAM.gov
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation
Congressional District
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