[moviefan8]

I found some other articles. Every one said $50,000.

https://www.msn.com/en-us/travel/news/san-francisco-man-fined-50k-for-pruning-trees-for-insurance/ar-AA202fqx?ocid=BingNewsSerp

e city’s stance on the severity of the damage shifted following an administrative hearing. A senior inspector determined the trees might recover, though with compromised structures. The city also offered to reduce the fine to $12,950, or $2,590 per tree.

On Wednesday, Public Works confirmed it would further reduce the penalty to $6,475, provided Dennes hired a certified arborist to oversee a five-year recovery plan for the trees.
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https://abc7news.com/post/san-francisco-property-owner-fined-50000-public-works-illegally-pruning-trees-cited-insurer/18823757/

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Found one that someone had a $4,500 fine for over pruning two trees.

Tell the SF Public Works Director: Don’t punish Ambrosia Bakery with a $4,500 fine

https://www.change.org/p/tell-the-sf-public-works-director-don-t-punish-ambrosia-bakery-with-a-4-500-fine

[ansel12]

The $50,000 includes non-payment penalties.