Public project records and anonymized quote data combined to bring more transparency to home project pricing.

DENKO MECHANICAL INC | New York City Contractor | Sinra.ai

FSprinklers

DENKO MECHANICAL INC

License #000130 · 461 WEST 261 STREET

Total Projects

Areas

Regions

License Type

Service Areas

Manhattan Brooklyn Manhattan

Trades

Sprinklers Standpipe Plumbing

Project Pricing

Based on 12 recent projects with disclosed costs

Lowest

$5,100

Highest

$260,000

Recent Projects

Sprinkler System Work at 60 East 42 Street, Manhattan

Sprinklers · Midtown-Times Square · Manhattan

$5,100

July 14, 2026

✓ Issued

Sprinkler System Work at 60 East 42 Street, Manhattan

Sprinklers · Midtown-Times Square · Manhattan

$7,500

July 7, 2026

✓ Issued

Sprinkler System Modifications at 280 Park Avenue, Manhattan

Sprinklers · Midtown-Times Square · Manhattan

$9,400

June 25, 2026

✓ Issued

Sprinkler System Modification at 360 Park Avenue South, Manhattan

Sprinklers · Midtown South-Flatiron-Union Square · MANHATTAN

$80,000

June 23, 2026

✓ Issued

Sprinkler System Upgrade at 375 Hudson Street, Manhattan

Sprinklers · SoHo-Little Italy-Hudson Square · MANHATTAN

$30,000

June 23, 2026

✓ Issued

Plumbing Work at 320 4th Avenue, Brooklyn

Plumbing · Carroll Gardens-Cobble Hill-Gowanus-Red Hook · BROOKLYN

$185,000

June 23, 2026

✓ Issued

Plumbing System Upgrade at 520 Fifth Avenue, Manhattan

Plumbing · Midtown-Times Square · MANHATTAN

$40,000

June 11, 2026

✓ Issued

Sprinkler System Installation at 506 East 75 Street, Manhattan

Sprinklers · Upper East Side-Lenox Hill-Roosevelt Island · MANHATTAN

$42,000

June 2, 2026

✓ Issued

Sprinkler System Installation at 200 Liberty Street, Manhattan

Mechanical · Financial District-Battery Park City · MANHATTAN

$100,000

June 1, 2026

✓ Issued

Plumbing and Sprinkler System Work at 400 Lafayette Street, Manhattan

Plumbing · Greenwich Village · MANHATTAN

$260,000

May 28, 2026

✓ Issued

Sprinkler System Installation at 25 Kent Avenue, Brooklyn

Sprinkler Systems · Williamsburg · BROOKLYN

$50,000

May 8, 2026

✓ Issued

Sprinkler System Permit at 350 Fifth Avenue

Sprinklers · Midtown South-Flatiron-Union Square · MANHATTAN

$20,000

April 17, 2026

✓ Issued

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Browse Project Pricing

20 total projects on record.

See Past Pricing →