What does “pre-war” mean on this page?

It means the building was built before 1947, based on the building’s recorded construction date.

What does “near the M21 bus” include?

It’s the set of Williamsburg buildings mapped close to the M21 route. You should still confirm the exact stop(s) you’ll use and your typical travel time at the times you’ll commute.

Are these 142+ buildings guaranteed to have available apartments right now?

This page is scoped to 142+ eligible buildings. Availability can change unit-by-unit, so check the specific apartments currently advertised on each building’s page.

What should I verify before signing a lease in an older (pre-war) building?

Ask about building-wide condition and maintenance response (especially heating/hot water and plumbing), plus how long repairs usually take and what access rules apply for move-in and deliveries.

Does Openigloo’s rating represent the whole building experience?

It’s based on rated buildings (3.5/5 across 354 rated buildings in Williamsburg). Treat it as one signal, then rely on the specific building details and renter conversations when evaluating your unit.

Which rules should I look for if the building has tenant protections?

If the building is subject to rent regulation or other tenant-protection rules, review the lease language carefully—renewal terms, rent increase history (if available), and non-renewal procedures can affect your plan.

Which neighborhoods are trending, and how many buildings are showing up in each?

Bushwick with 12,589+ buildings; Downtown Brooklyn with 3,920+ buildings; Stuyvesant Heights with 7,834+ buildings; Flatbush with 5,564+ buildings; Park Slope with 7,025+ buildings.

Pre-war buildings near the M21 bus in Williamsburg

Williamsburg is a Brooklyn neighborhood where many renters look for shorter commutes and building options that vary widely in age. This page focuses on pre-war buildings near the M21 bus, using Openigloo’s building-level signals to help you compare candidates. In Williamsburg, rated buildings average 3.5/5 across 354 rated buildings (building-level trends; individual units can differ)

Pre-war buildings near the M21 bus in Williamsburg, Brooklyn, with 142+ buildings currently in scope on Openigloo. Use this page to browse buildings built before 1947 that are close to the M21 route, then narrow by what matters to your move. Openigloo helps you compare buildings using rated signals plus building details and tenant conversations. You can check what other renters flagged (noise, maintenance, management practices) and verify deal-breakers like move-in costs, lease terms, and any co-op/condo or regulation-related rules before you apply.

Showing 37–54 of 142 pre-war buildings near the M21 bus in Williamsburg.

90 South 4 Street

Williamsburg

Pre-war buildings near the M21 bus in Williamsburg

Pre-war buildings near the M21 bus in Williamsburg

90 South 4 Street

46 North 1 Street

433 Wythe Avenue

38 Grand Street

75 South 9 Street

101 South 8 Street

63 South 4 Street

33 North 4 Street

76 South 3 Street

115 Grand St

108 South 2 Street

76 South 4 Street

94 South 1 Street

353 Wythe Avenue

100 South 4 Street

86 South 8 Street

47 Grand Street

115 South 8 Street

Nearby neighborhoods in Brooklyn

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