Plumbing Bids in San Antonio, TX
1 open plumbing bid opportunities posted by the City of San Antonio and its agencies. Updated daily.
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Annual Contract for Mud Sump and Drain Cleaning
City of San Antonio · Due 2026-07-24
How plumbing contractors find San Antonio municipal bids
The City of San Antonio and its associated entities — water utility, school district, county, special-purpose districts — post plumbing solicitations on multiple procurement platforms. Most contractors only know one or two of them, which is why the same handful of vendors win nearly every contract.
MuniBidBoard pulls every active plumbing bid from the City of San Antonio (and surrounding TX municipalities) into one searchable feed. Filter by trade, by due date, by dollar threshold. See bids the day they post — not three weeks later when there's no time to respond.
Margins on San Antonio public-works plumbing
Texas public-works contracts typically carry 20–40% gross margins for trade contractors vs the 2–8% commercial work offers. Public clients also pay on a statutory schedule — Texas Government Code Chapter 2251 (the Texas Prompt Payment Act) requires cities to pay within 30 days of invoice or owe statutory interest. Private clients owe nothing for late payment.
Average competitors per San Antonio-area plumbing bid: 2–4. Average competitors per equivalent commercial bid: 6–10. Same skills, same crew — better odds + better margins.
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