MASTIFF GROUP LLC

Active

Registered entity · Miami-Dade County, FL

Active Miami locations

on public record

All matched records

incl. closed

FL registration

M13000003110

filed May 2013

Registered agent

LEINWAND JONATHAN

Sunbiz

Public record — Miami-Dade County

Office locations (1 active)

Building	Suite / floor	Submarket	Since	Source	Match
18305 BISCAYNE BLVD	Suite 200	Sunny Isles / Aventura	May 2013	FL corporate registry	address match · high

Florida Division of Corporations

Corporate registration

Field	Value
Document number	M13000003110
Status	Active
Entity type	FORL
Filed	May 2013
Registered agent	LEINWAND JONATHAN
Principal address	18305 Biscayne Blvd. Suite 200, Aventura, 33160

Frequently asked questions

Where are MASTIFF GROUP LLC's offices in Miami?

Public records place MASTIFF GROUP LLC at 1 active location in Miami-Dade County: 18305 BISCAYNE BLVD (Suite 200).

Is MASTIFF GROUP LLC registered in Florida?

Yes — Florida Division of Corporations document M13000003110, filed May 2013, registered agent LEINWAND JONATHAN. Principal address on file: 18305 Biscayne Blvd. Suite 200, Aventura.

Data provenance — public records only

Miami-Dade County Local Business Tax roll — Business-tax receipts: business name, premises address (incl. suite/floor), account status and start date, via the county's public GIS services.
Florida Division of Corporations (Sunbiz) — corporate data file — Registered entities: document number, status, filing date, registered agent and principal address, from the state's public quarterly data file.
Miami-Dade County Property Appraiser — assessment roll — Parcel identity, site address, recorded owner, use code, areas, year built and assessed values, via the county's public GIS services (MD_LandInformation, PaGis layer).

Every fact on this page is drawn from the government records above — no listing sites, no scraped platforms, no third-party images. Facts from public records are uncopyrightable; each tenancy row carries its source and match confidence. Records can lag reality — a business-tax receipt or registration at an address is evidence of occupancy, not a lease confirmation.

Dataset updated September 2026 . Locations from Miami-Dade business-tax receipts and Florida corporate registrations matched to county office parcels.