Cost Estimator
Estimate costs for tree removal, pruning, stump grinding, and other services. Factors in tree size, species, access conditions, and Bay Area market rates.
Get an estimate →Permit Checker
Check whether your tree requires a permit before removal or major pruning. Select your city, tree species, and size to get a clear answer.
Check your tree →Penalty Calculator
Calculate potential fines for unpermitted tree removal. Uses actual municipal penalty formulas — some cities charge 3× appraised value plus replacement costs.
Calculate penalties →Ordinance Comparison
Side-by-side comparison of tree protection ordinances across all 25 Cities. Thresholds, protected species, penalties, and replacement requirements.
Compare cities →Remodel Checklist
Step-by-step checklist for protecting trees during home renovation or construction. Covers root zones, grading, permits, and contractor coordination.
Start checklist →Guides
Bay Area Tree Risk Map
Interactive Mapbox map of 175 neighborhoods across 25 Cities. Canopy cover, fire risk, SOD pressure, permit complexity, cost ranges, and top arborists — all in one view.
Open the map →Permit Guide Hub
Compare tree permit thresholds, fees, timelines, and penalties across all 25 Cities. Each city has a detailed step-by-step permit process guide.
Compare all cities →Emergency Tree Guide
What to do when a tree falls or threatens a structure. Safety steps, who to call, insurance guidance.
Storm Prep Guide
Pre-storm tree inspection checklist. Which species fail, common failure patterns, and how to reduce risk.
Tree Species Guide
Identification, care, and ordinance info for common SF Peninsula tree species.