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Mongkok Building, 135A Sai Yee Street

Mongkok Building, 135A Sai Yee Street in Yau Tsim Mong got its occupation permit in 1973 and is about 52 years old; BD has issued 110 statutory orders or notices to it since May 2023.

Building facts

Address
135A Sai Yee St Mongkok Building
District
Yau Tsim Mong
Street
Sai Yee Street
Occupation permit date
30 Oct 1973
Age
about 52 years
Occupation permit no.
K106/73
Use
Residential / composite
Block type
Tower
Nearest MTR
Mong Kok East (about 210 m) · Mong Kok (about 270 m)
BD block ID
1070381

Source: BD building information and age records · Updated 19 Oct 2026

Buildings Department orders and notices

TypeIssued (since May 2023)Complied / withdrawn / superseded (since May 2024)
Mandatory Building Inspection notices
Owners must appoint a Registered Inspector to inspect the common parts, external walls and projections, and carry out any repairs found necessary. (Buildings Ordinance s30B)
10
Mandatory Window Inspection notices
Owners must appoint a Qualified Person to inspect all windows of the building and carry out any repairs found necessary. (Buildings Ordinance s30C)
6865
Removal orders (unauthorised building works)
Requires unauthorised building works (rooftop structures, canopies, projections and the like) to be removed and the affected parts reinstated. (Buildings Ordinance s24)
4040
Repair orders (dangerous buildings)
Issued when a building or part of it has become, or is likely to become, dangerous; requires repair or demolition. (Buildings Ordinance s26)
10

These are BD's cumulative counts, not the number still outstanding, and earlier orders are not on the lists. Before a purchase, check BD's orders search, the MBIS/MWIS notice search and a land search. See our guide to inspections and orders.

First seen on a BD list by this site: 17 Oct 2026

Inspection scheme age thresholds

  • Reached the 30-year age threshold of the Mandatory Building Inspection Scheme (domestic buildings of 3 storeys or fewer are exempt); BD may serve an inspection notice.
  • Reached the 10-year age threshold of the Mandatory Window Inspection Scheme (same exemption).

Age counts from the occupation permit date; BD selects buildings for notices by risk. See BD: MBIS.

Record history

  • 30 Oct 1973 · Occupation permit issued (K106/73)

We check BD's lists monthly; new orders and compliance will show here as they appear.

Other blocks at this development

Other buildings on Sai Yee Street

Buildings with BD orders in Yau Tsim Mong

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