A-S 123 HWY 290 MASON RD LP LEASE ADMIN MANAGER
3 office properties in Miami-Dade County recorded to 3 owner entities mailing to 1111 POLARIS PARKWAY, COLUMBUS, OH. likely one owner
At a glance
A-S 123 HWY 290 MASON RD LP LEASE ADMIN MANAGER is recorded as the owner of 3 office properties (3 parcels) in Miami-Dade County, totalling 33.3K sq ft of building area with $17.8M of assessed value. The holdings sit in 3 owner entities that share one tax-bill mailing address in COLUMBUS, OH — and a name root, which is how a single sponsor usually holds property.
County assessment roll
Properties
| Building | Submarket | Sq ft | Assessed | Last sold | Tenants |
|---|---|---|---|---|---|
| 1801 ALTON RD owner on site | Miami Beach — South Beach | 25K | $13M | $23,500,000 · Nov 2025 | 4 |
| 0 NORTHWEST FWY | Cypress | 4.6K | $2.5M | — | 0 |
| 2900 W GRAND PKY N | Katy | 3.7K | $2.3M | — | 0 |
Names on the deeds
Owner entities at this address
- JPMORGAN CHASE BANK NA
- A-S 123 HWY 290 MASON RD LP LEASE ADMIN MANAGER
- A-S 128 GRAND PARKWAY JP MORGAN CHASE BANK
How this group was built. These entities share both a mailing address and a name root, which is how a single sponsor usually holds property — one entity per building. The county records an owner and a mailing address for every parcel; this page collects the office parcels whose owners mail to the same address, and counts buildings rather than parcels using the county's own condo-to-building link. 1 of these properties also carry a business-tax receipt in the owner's own name, which is the public record's way of showing an owner-occupier rather than a landlord. Lease terms, rents and the identity of a manager acting for the owner are not public records and are not shown.
Where are A-S 123 HWY 290 MASON RD LP LEASE ADMIN MANAGER's office buildings?
The 3 properties are spread across 3 cities, led by Miami Beach (1), Cypress (1), Katy (1).
The largest is 1801 ALTON RD in Miami Beach at 25K sq ft over 2 floors.
Recorded build years run from 1982 to 2017.
How large is this portfolio within Miami's office market?
Its 33.3K sq ft is 0.03% of the 125.3M sq ft of office building area on the Miami-Dade County roll.
Its $17.8M of assessed value is 0.07% of the metro's office total.
It holds 3 of the metro's 4,288 office buildings.
1 of its parcels carry a recorded sale price; the most recent was 1801 ALTON RD in Nov 2025 for $23,500,000.
1 parcel also carries a business-tax receipt in the owner's own name — an owner-occupier rather than a landlord.
Frequently asked questions
How many office buildings does A-S 123 HWY 290 MASON RD LP LEASE ADMIN MANAGER own in Miami?
3 office properties (3 parcels) on the Miami-Dade County roll, counted by building rather than by condo parcel.
What is A-S 123 HWY 290 MASON RD LP LEASE ADMIN MANAGER's largest office building?
1801 ALTON RD, Miami Beach — 25K sq ft, assessed at $13M.
What are A-S 123 HWY 290 MASON RD LP LEASE ADMIN MANAGER's office properties worth?
Their combined assessed value on the current Miami-Dade County roll is $17,782,985. Assessed values are taxable-roll figures, not market prices.
Are these properties owned by one company?
These entities share both a mailing address and a name root, which is how a single sponsor usually holds property — one entity per building. 3 owner entities share the mailing address. It is evidence of common ownership, not proof of it.
When did one of A-S 123 HWY 290 MASON RD LP LEASE ADMIN MANAGER's Miami office properties last change hands?
The most recent recorded transfer among these parcels is 1801 ALTON RD, Nov 2025, for $23,500,000.
Related
Everything here comes from public records, and public records go stale. If you know better, say so.
Data provenance — public records only
- 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).
- 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.
- Miami-Dade County Property Appraiser — recorded sale — The last recorded transfer price and date for the parcel, from the county's public property point view.
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 . Derived from public data sources.
About this data
Source: Miami-Dade County Property Appraiser — assessment roll, as published October 8, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “A-S 123 HWY 290 MASON RD LP LEASE ADMIN MANAGER — Miami office property holdings”, https://buildingcensus.com/offices/miami/owners/a-s-123-hwy-290-mason-rd-lp-lease-admin--cb07ff (data as of October 8, 2026).