SLACK, JOHNSTON & MAGENHEIMER, INC. (FL)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $126.98K
- $126,979under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 13
- with positive net obligations
- Latest action
- Jun 30, 2015
- SAM.gov registration
- Inactive
- Registration expiration date Jul 31, 2026
Registration
- Doing business as
- SLACK JOHNSTON & MAGENHEIMER INC
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Dec 29, 1959 (66 years)
- Location
- Miami, FL
- State of incorporation
- Florida
- Purpose of registration
- All Awards
- Website
- sjmiami.com
† FY2026 obligations (provisional; DoD awards signed after Jul 27, 2026 are not yet public).
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI MJ7NB8XJBP48. 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
- FY2015: $9,999
- FY2012: $11,450
- FY2011: $16,000
- FY2010: $32,100
- FY2009: $24,730
- FY2008: $32,700
Total across 6 fiscal years: $126,979
Top awarding agencies
- General Services Administration$107,049, 84.3%
- Department of the Interior$19,930, 15.7%
Top awarding sub-agencies
- Public Buildings Service$107,049, 84.3%
- Departmental Offices$11,950, 9.4%
- U.S. Fish and Wildlife Service$4,980, 3.9%
- National Park Service$3,000, 2.4%
Top NAICS by obligations
- 531320Offices of real estate appraisers$92,899, 73.2%
- 531210Offices of real estate agents and brokers$34,080, 26.8%
Top product and service codes by obligations
- R411Prof svcs/real property appraisals$123,979, 97.6%
- B599Other special studies and analyses$3,000, 2.4%
Capabilities
NAICS codes
- 531320Offices of Real Estate Appraisers(primary)Small
Small: small business for that NAICS, self-certified in SAM.gov registration.
SBA certifications
No certification in the SBA profile data.
Federal Capability Statement
Real Estate Appraisal and Consulting
Capabilities & Services
Contracts
Latest awards and orders
- GS04P15BBP7006PoGeneral Services AdministrationPublic Buildings ServiceLatest action
- GS04P12EWP0100PoGeneral Services AdministrationPublic Buildings ServiceLatest action
- GS04P12EWP0045PoGeneral Services AdministrationPublic Buildings ServiceLatest action
- GS04P11EWP0153PoGeneral Services AdministrationPublic Buildings ServiceLatest action
- GS04P11EWP0088PoGeneral Services AdministrationPublic Buildings ServiceLatest action
- GS04P10EWP0153PoGeneral Services AdministrationPublic Buildings ServiceLatest action
- GS04P10EWP0123PoGeneral Services AdministrationPublic Buildings ServiceLatest action
- INPP2117100101PoDepartment of the InteriorNational Park ServiceLatest action
- INF401819M961PoDepartment of the InteriorU.S. Fish and Wildlife ServiceLatest action
- GS04P09BVP0044PoGeneral Services AdministrationPublic Buildings ServiceLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for SLACK, JOHNSTON & MAGENHEIMER, INC. lists a physical address and a separate mailing address, along with 6 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
7245 SW 87TH AVE
STE 300
MIAMI, FL, 33173
USA
Mailing Address
7245 SW 87TH AVE
STE 300
MIAMI, FL, 33173
USA
Government Business Contact
ANDREW Magenheimer
7245 SW 87 Ave
Suite 300
MIAMI, FL, 33173
USA
Electronic Business Contact
ANDREW Magenheimer
7245 SW 87 Avenue
Suite 300
MIAMI, FL, 33173
USA
Past Performance Contact
ANDREW Magenheimer
7245 SW 87 Avenue
Suite 300
MIAMI, FL, 33173
USA
Government Business Alternate Contact
KIM Magenheimer
7245 SW 87 Avenue
Suite 300
MIAMI, FL, 33173
USA
Electronic Business Alternate Contact
KIM Magenheimer
7245 SW 87 Ave
Suite 300
MIAMI, FL, 33173
USA
Past Performance Alternate Contact
KIM Magenheimer
7245 SW 87 Avenue
Suite 300
MIAMI, FL, 33173
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
SLACK, JOHNSTON & MAGENHEIMER, INC. has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires July 31, 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
Not registered for disaster relief
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
Other contractors in Florida with primary NAICS 531320
- ZAC Ryan Appraisal Services, Inc.Green Cove Springs, FL
- OHC Advisors, Inc.Tampa, FL
- Chandler and Associates of Panama City, Inc.Panama City, FL
- Common Sense LLCValrico, FL
- Rogers Valuation & Acquisition, Inc.Pensacola, FL
- FL Property Advisors LLCOrlando, FL