UA Local 38, Plumbers & Pipefitters

UA Local 38, Plumbers & Pipefitters UA Local 38 has represented union pipe trades workers in San Francisco, Marin, Sonoma, Mendocino and Lake Counties since 1947.

UA Local 38 Annual Charity Golf Tournament Proceeds Awarded to Hanna CenterOfficers and staff of UA Local 38 presented a...
09/09/2026

UA Local 38 Annual Charity Golf Tournament Proceeds Awarded to Hanna Center

Officers and staff of UA Local 38 presented a check in the largest amount in the history of our Charity Golf Tournament, $40,000 to .
Hanna Center provides mental health services, training, residential care, and community support to youth and families across our region — work that reflects the very best of what we hope to build together today.

Happy Labor Day from UA Local 38! 🇺🇸🔧Today isn't just the unofficial end of summer — it's a day to remember what built t...
09/07/2026

Happy Labor Day from UA Local 38! 🇺🇸🔧

Today isn't just the unofficial end of summer — it's a day to remember what built the American middle class: organized labor. Every eight-hour day, every weekend, every safety standard on the job site exists because working people stood together and demanded better. That fight didn't end — it continues every time a journeyman trains an apprentice, every time we negotiate a fair contract, and every time we stand up for the men and women who keep this region running.
To our members, our retirees, and their families: thank you for the work you do year-round, on the tools and in the hall. This day belongs to you.

Our favorite day of the year is almost here and that means parades and outdoor BBQ for many. If you're firing up the gri...
09/05/2026

Our favorite day of the year is almost here and that means parades and outdoor BBQ for many. If you're firing up the grill for friends and family this weekend, use our exclusive list to spend your shopping dollars on union-made products and the companies who give their workers a voice!

The United Association will keep advancing the progress achieved over the past decade as it’s delegates re-elected the M...
09/04/2026

The United Association will keep advancing the progress achieved over the past decade as it’s delegates re-elected the McManus leadership team, General President Mark McManus, Assistant General President Mike Pleasant, and General Secretary-Treasurer Derrick Kualapai to another term at its 41st General Convention held in San Diego last month.
Local 38’s Business Manager Larry Mazzola, Jr. was elected to his first full term on the General Executive Board as Vice President of District 5 (he was appointed to the position in August 2025).
Congratulations to the entire UA Leadership Team!

Attention UA Local 38 members:The Local 38 Union offices will be closing this Friday August 21st at 12 noon.
08/19/2026

Attention UA Local 38 members:
The Local 38 Union offices will be closing this Friday August 21st at 12 noon.

Every day, UA Local 38 members are on the job protecting something most people never think about: the safety of their dr...
08/17/2026

Every day, UA Local 38 members are on the job protecting something most people never think about: the safety of their drinking water.
Backflow prevention isn't glamorous work, but it's essential. Our plumbers and pipefitters install, test, and maintain the cross-connection controls that stop contaminated water from ever reaching a clean supply — keeping homes, hospitals, schools, and businesses across the Bay Area safe.
Today, we're recognizing the skilled and trained union members behind that work. It's a trade built on precision, code knowledge, and doing the job right the first time — because public health depends on it.
To every journeyman and apprentice who's tested a backflow assembly, run a cross-connection survey, or trained for certification: thank you for the work that keeps our water safe.

UA Local 38 Brothers and Sisters,AB 2313 is currently pending before the Senate Appropriations Committee and is expected...
07/10/2026

UA Local 38 Brothers and Sisters,
AB 2313 is currently pending before the Senate Appropriations Committee and is expected to advance to Governor Newsom's desk for a signature or veto.
AB 2313 raids the gas line safety fund that pays for critical infrastructure work performed by union workers and redirects that money to help individual homeowners electrify. It also increases utility bills for customers who remain on the gas system, many of whom cannot afford to switch to electric. Finally, the bill moves ahead before California has finished studying the impacts of neighborhood gas transition pilot programs created under SB 1221, putting workers and ratepayers at risk.
We need to make sure the Governor hears from working Californians before that happens.
Please take just a minute to visit https://www.stopab2313.com/ and click the EMAIL THE GOVERNOR button to send a message urging Governor Newsom to VETO AB 2313 if it reaches his desk.
The process takes less than a minute, but your voice can make a difference. Every email helps demonstrate the widespread opposition to this legislation.

AB 2313 (Berman) raids the safety fund that employs thousands of union gas utility workers and asks every ratepayer to pay for it. Tell Governor Newsom to veto AB 2313 (Berman).

Be sure to catch UA Local 38 displayed on the backstop at Oracle Park during this week's SF Giants series against the To...
07/06/2026

Be sure to catch UA Local 38 displayed on the backstop at Oracle Park during this week's SF Giants series against the Toronto Blue Jays. Go Giants!

The Officers and Staff of UA Local 38 wish you and your families a safe and happy 4th of July. And happy 250th Birthday ...
07/04/2026

The Officers and Staff of UA Local 38 wish you and your families a safe and happy 4th of July. And happy 250th Birthday America!

❄️ Happy World Refrigeration Day! ❄️Today, June 26th, UA Local 38 celebrates the skilled tradespeople who keep the world...
06/26/2026

❄️ Happy World Refrigeration Day! ❄️
Today, June 26th, UA Local 38 celebrates the skilled tradespeople who keep the world cool, safe, and running — and that means our members.
This year's theme is "Cool Intelligence" — and it says it all. The smartest system in the world still needs smart people to design, install, and maintain it. That's the work our HVAC/R members do every single day.
From keeping food safe on grocery store shelves to delivering vaccines at the right temperature, from cooling hospitals so surgeons can operate to keeping data centers online — refrigeration and cooling technology is at the heart of modern life. And behind every one of those systems is a skilled & trained technician.
UA Local 38 members don't just turn wrenches — they bring the knowledge, craftsmanship, and cool intelligence that no algorithm can replace. 💪
To every Plumber, Steamfitter, and HVAC/R technician in Local 38: thank you for the work you do. The world stays cool because of you.

Address

1621 Market Street
San Francisco, CA
94103

Opening Hours

Monday 8am - 4pm
Tuesday 8am - 4pm
Wednesday 8am - 4pm
Thursday 8am - 4pm
Friday 8am - 12pm

Telephone

+14156262000

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