420 8 Street, Brooklyn 11215

This property may be subject to NYC’s non-primary residence (pied-à-terre) surcharge.

Photo of 420 8 Street
© Mapillary contributors
Market value (FY27)
$5,480,000
Estimated annual surcharge
If non-primary, est. $43,840/yr · 0.8% tier (Class 1, $5M–$15M)
Owner of record
Tonso, Frank J.
Borough
Brooklyn
Block / Lot
1090 / 6
BBL (PARID)
3010900006
Tax class
1
Building class
C0

Estimate = phase-1 rate × FY27 DOF market value. Co-op unit values are imputed by DOF at determination; see methodology.

Ownership records

Last deed recorded May 28, 2026 for $4,075,000. Tonso, Frank J → 8th Street 420 LLC

  • Buyer 8th Street 420 LLC
    16476 Refugio Road, Encino, CA 91436
  • Seller Tonso, Frank J
    77 W Main Street, Kings Park, NY 11754

City housing registration (HPD)

  • Individual Owner INDIV Frank Tonso
    420 8 Street Garden, Brooklyn, NY 11215
  • Site Manager INDIV Frank Tonso

Public ACRIS deed records and HPD registration data. LLC officers are not published by New York State; parties and addresses shown are as recorded.

Historic photos

  • 1940s tax photo of 420 8 Street, NYC

    1939–41 tax photo · © City of New York, NYC Municipal Archives · via 1940s.nyc

  • 1980s tax photo of 420 8 Street, NYC

    1980s tax photo · © City of New York, NYC Municipal Archives · via 1940s.nyc

NYC Municipal Archives tax photographs — view on 1940s.nyc (opens in new tab). Images © City of New York; bulk/commercial reuse requires Archives permission.