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Design Firm
Tatum Smith Welcher Engineers, Inc.
Design
1 project with open permitsMANHATTAN · 1STATEN ISLAND · 1
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2 buildings
2
Total Filings
2
Projects on File
2
Buildings Worked
1
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month2 projects all-time
0112Jan '26 · 1Mar '26 · 1Jan '26Feb '26Mar '26
Portfolio status
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Open permit150%
Filed only150%
By project type
Alteration2
Most active buildings
All buildings →
121 LENOX AVENUEMANHATTAN · 1 open · latest 09/08/2026
1 projects
BIN 5177167STATEN ISLAND · latest 01/16/2026
1 projects
Key relationships
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Design firms
1 projects
1 projects
Filing representatives
1 projects
1 projects
Owners
1 projects
People
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Richard Welcherlatest 03/24/2026
1 filings
Filed under
Tatum Smith Welcher Engineers, Inc.2
Identified by the contact ids of the people who file for the firm and by its email domain (tswstructural.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01377356 ↗121 LENOX AVENUE
MANHATTAN
AlterationPermit Issued03/31/202609/08/2026
Owner WEBSTER ASSOCIATES
Contractor TOM RECTENWALD CONSTRUCTI
Filer BOHLER ENGINEERING
Installation of 64 new sprinkler heads in proposed McDonalds Restaurant. No change in use, egress or occupancy.
S01290717 ↗BIN 5177167
STATEN ISLAND
AlterationFiled — no permit on record01/16/2026———
Counts cover all 2 projects (2 DOB NOW). Dated by first filing; BIS projects by first permit issuance.
Every person filing for this firm, identified by their DOB NOW contact id (one id is one person). A person is listed under the firm they file for most.
PersonFilingsMost recent
Richard Welcher103/24/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
JarmelKizel Architects104/03/2026
KINDO HOLDINGS, LLC104/03/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
FIREQUEST CORP104/03/2026
J. CAIAZZO PLBG & HTG COR104/03/2026
TOM RECTENWALD CONSTRUCTI104/03/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
WEBSTER ASSOCIATES104/03/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
ACCESS PLUMBING CORP.104/03/2026
BOHLER ENGINEERING104/03/2026
2 DOB NOW projects, anchored the same way as Buildings Worked. Status is the project's permit state today: open = at least one permit currently issued. BIS projects show their raw permit status and are not counted as open.
All 2Open permit 1Filed only 1
2 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01377356 ↗121 LENOX AVENUE
MANHATTAN
AlterationPermit Issued03/31/202609/08/2026
Owner WEBSTER ASSOCIATES
Contractor TOM RECTENWALD CONSTRUCTI
Filer BOHLER ENGINEERING
Installation of 64 new sprinkler heads in proposed McDonalds Restaurant. No change in use, egress or occupancy.
S01290717 ↗BIN 5177167
STATEN ISLAND
AlterationFiled — no permit on record01/16/2026———
Scope of Work
HVAC — 1 project · most recent 04/03/2026
Heating and Air Conditioning Systems Others Ventilation Systems
Sprinkler / Standpipe — 1 project · most recent 04/03/2026
Sprinkler System
Plumbing — 1 project · most recent 04/03/2026
Water/Sanitary
Structural — 1 project · most recent 04/03/2026
Steel Concrete Wood
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
121 LENOX AVENUE ↗103/24/2026
BIN 5177167 ↗1—
▾Documents — 22 on file (BIS + DOB NOW)
▸Plans & Drawings5
▸DOB NOWPlans/Sketch5
08/18/2026M01377356-S1 · 121 LENOX AVENUERequest digital key ↗
08/18/2026M01377356-I1 · 121 LENOX AVENUERequest digital key ↗
08/18/2026M01377356-S3 · 121 LENOX AVENUERequest digital key ↗
Showing 3 of 5 on file for this type
▸Seals & Professional Certifications12
▸DOB NOWDPL-1: Design Professional Seal & Signature5
08/18/2026M01377356-S1 · 121 LENOX AVENUEOpen ↗
08/18/2026M01377356-I1 · 121 LENOX AVENUEOpen ↗
08/18/2026M01377356-S3 · 121 LENOX AVENUEOpen ↗
Showing 3 of 5 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature4
09/23/2026M01377356-S4 · 121 LENOX AVENUEOpen ↗
09/01/2026M01377356-S2 · 121 LENOX AVENUEOpen ↗
09/01/2026M01377356-S1 · 121 LENOX AVENUEOpen ↗
Showing 3 of 4 on file for this type
▸DOB NOWProgress Inspector Seal & Signature3
09/01/2026M01377356-S2 · 121 LENOX AVENUEOpen ↗
09/01/2026M01377356-S2 · 121 LENOX AVENUEOpen ↗
09/01/2026M01377356-S1 · 121 LENOX AVENUEOpen ↗
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
08/18/2026M01377356-I1 · 121 LENOX AVENUEOpen ↗
08/18/2026M01377356-S3 · 121 LENOX AVENUEOpen ↗
Showing 2 of 4 on file for this type
▸Inspections & Test Reports1
▸DOB NOWSOIL REPORT1
08/13/2026S01290717-I1Open ↗