San Francisco has never been an easy place to run a small business. High operating costs, a complex tax environment, and layers of local regulation have long made it one of the more demanding markets in the country. That changed in 2026.

Proposition M, San Francisco’s business tax reform measure, expanded the small business gross receipts tax exemption to $5 million. Most businesses under that threshold no longer owe city business taxes. The reform also eliminated roughly $10 million in permit and license fees with approximately 91% of restaurants and 87% of nightlife businesses seeing those fees removed entirely. For businesses that have been grinding through difficult years, this is real money back.

But in exchange for those concessions, 2026 brought a new obligation. California’s CalSavers retirement mandate now applies to all employers, even those with just a single employee. Businesses must either offer all employees a qualified retirement plan or enroll those workers in the state-run Cal Savers program. If they don’t, penalties start at $250 per eligible employee after 90 days of noncompliance and climb to $500 per employee after 180 days. These aren’t trivial amounts for small businesses. Businesses that treat this new obligation as a backburner item are the ones who will feel it first.

The cost relief created by Prop M creates an opening to invest in your business. A well-structured retirement plan is one of the highest-leverage places to put it. As with so many things in life, the cheapest option is not best.

Many businesses will default to CalSavers because it is free and because it makes compliance simple. That is understandable. But the default option is rarely the optimal one.

For starters, CalSavers is a Roth IRA program with lower contribution limits than a private 401(k) and allows no employer matching structure. Under the SECURE 2.0 Act, small businesses that establish a qualifying plan are eligible for up to $5,000 per year for three years in startup tax credits, plus additional credits for automatic enrollment and employer contributions. For employers with 1 to 50 employees, the employer contribution credit covers 100% of the contribution, up to $1,000 per participant in the first two plan years, phasing down in subsequent years.

For a San Francisco business already managing high labor costs, the mandatory employee retirement plan obligation is not a small consideration. A well-structured plan can effectively run at near-zero net cost in its early years while simultaneously strengthening the compensation package used to attract and retain talent in one of the most competitive hiring markets in the country.

What you do next is what matters

The Prop M tax savings are meaningful and San Francisco small business owners deserve credit for weathering the years that made that relief necessary. But savings are not a strategy. The businesses that come out ahead are the ones that reinvest thoughtfully into their people, into a benefits structure that attracts and retains talent, and into a retirement plan that works harder than the state default.

The CalSavers deadline is a forcing function. The smartest response to a forcing function is not to do the minimum – instead use this time to have broader financial conversation with workers. If you don’t some employees might be annoyed to see 5% of their paycheck suddenly gone and invested in a default target-date fund that they didn’t select.

The question now is whether San Francisco businesses will adapt reactively by enrolling in CalSavers before the penalty clock runs out, or proactively, by building a benefits structure that serves the business they are trying to build.

That difference between being proactive and reactive does not announce itself. It shows up quietly, in the form of credits not captured, talent not retained, and costs higher than they need to be. The businesses that come out ahead in 2026 won’t just be the ones that avoided the penalty; it will be the ones that turned the worker retirement plan obligation into an advantage.

By Nick Pasquarosa, Founder and CEO of Bookkeeper360