Atc Mechanical is a plumbing contractor with 4 tracked San Francisco building-permit projects on record, with the latest filing in that record 59 days ago. Its filings (Jan 2025 to Jun 2026) are concentrated in Castro/Upper Market and Outer Richmond, 100% residential. A typical project in the record declares $35K–$272K. If you work at Atc Mechanical, claim this page to add a description.
Claim your firm and publish up to three projects with photographs. Claiming also gives you your logo, a short introduction and your own contact details.
Filing activity · 16 weeks to Aug 23, 2026 · peak Jul 2026
Project mix · by use
Geography · by neighborhood
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | John Lum Architecture | Architecture | 2 | |
| 2 | Ashley & Vance Engineering | Architecture | 1 | |
| 3 | Benchmark Engineering | Architecture | 1 | |
| 4 | Design Consultants Group, Inc | Architecture | 1 | |
| 1 | Ace | General contractor | 1 | |
| 2 | CDR Builders Inc | General contractor | 1 | |
| 3 | R Group, Inc | General contractor | 1 | |
| 4 | Murren Plumbing | Plumbing contractor | 1 | |
| 5 | Sharks Plumbing Inc | Plumbing contractor | 1 |
Create a free account to see every firm on these projects and how many projects each one shares.
Owner and developer names, and the projects behind each connection, are part of the Leads product.
Get an email when Atc Mechanical files a new project. Monitor up to 10 firms free.
Create your free account
Already have an account? Log in
Need full project records — addresses, values, parties? Start 14-day free trial
Frequently asked questions
How many SF projects does Atc Mechanical appear on?▾
Does Atc Mechanical work on commercial or residential projects?▾
Where in San Francisco does Atc Mechanical work?▾
What is a typical Atc Mechanical project worth?▾
Which firms appear most often on the same filings as Atc Mechanical?▾
Is Atc Mechanical a plumbing contractor?▾
How far back does this record go?▾
San Francisco Department of Building Inspection permit filings.
Read directly from SF DBI filings.
None are shown until the firm supplies them.