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Certified Arborists · San Francisco · Est. 2009

Every tree on yourproperty is eitheran asset or a liability.We'll tell you which.

ISA-certified arborists serving San Francisco since 2009. Removals. Pruning. Emergency response.

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ISA Certified Arborist·SF Urban Forestry Permitted·TRAQ Qualified·Fully Insured & Bonded·Emergency 24/7 Response·Noe Valley · Sunset · Pacific Heights · Richmond · Castro · Mission·ISA Certified Arborist·SF Urban Forestry Permitted·TRAQ Qualified·Fully Insured & Bonded·Emergency 24/7 Response·Noe Valley · Sunset · Pacific Heights · Richmond · Castro · Mission·
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Case Study — RemovalNoe Valley · October 2024

The Monterey PineLeaning Wrong.

The call came from a homeowner on Sanchez Street. Their 80-foot Monterey pine had developed a 12-degree lean toward the neighbor's garage — a lean that had worsened three inches in the previous wet season.

We walked the site on a Thursday morning. The root zone was compromised: a 2019 sewer lateral replacement had severed anchoring roots on the downhill side. The tree looked healthy from the street. It wasn't.

“The neighbor didn't know. The homeowner didn't know. The tree was keeping its own counsel.”

SF's Urban Forestry Division classifies Monterey pines as significant trees requiring a removal permit. We filed the application with the full arborist report, root damage documentation, and a neighbor impact assessment. Permit approved in 11 days.

The rigging plan used a crane positioned on Sanchez with a secondary hand-rigging system to keep every section away from the garage roofline. Seven hours. No damage. The stump was ground to 18 inches below grade the same afternoon.

82 ft

Tree Height

11

Permit Days

7 hrs

Crew Hours

Tall Monterey pine towering over Victorian rooftops in San Francisco's Noe Valley neighborhood
Arborist climber ascending a large pine tree with rigging equipment on a foggy San Francisco morning
Clean tree stump ground down flush after professional removal, residential backyard cleared
Hazard AssessmentSF Urban Forestry PermitCrane RiggingStump GrindingDebris Removal
02
Case Study — EmergencySunset District · January 2025
Storm-fallen eucalyptus tree blocking a residential street in San Francisco's Sunset District after overnight winds
Crew working with chainsaws and rigging to section a fallen tree trunk on a residential property
Street cleared of debris after emergency tree removal, normal access restored

Emergency Response Window

2.5hours

Call received 11:40 PM · Road cleared 2:10 AM

The EucalyptusFell at Midnight.

An atmospheric river had been stacking moisture over the Bay for three days. At 11:40 PM on a Tuesday, a 95-foot blue gum eucalyptus on 46th Avenue let go at the root plate and came down across the street and into a neighbor's fence.

No power lines. No injuries. But the road was blocked and a fence section was gone. The homeowner called our emergency line. We had a crew on site with lights and chainsaws by 2:10 AM.

“The root plate had been undermined by a slow gas main leak — DPW had the records. The tree had been dying from the bottom up for two years.”

By 6 AM the road was clear. By noon the fence contractor had measurements. We filed the incident report with SF DPW and provided the homeowner with documentation for their insurance claim — photos, root analysis, timeline.

The documentation alone saved the homeowner from a liability dispute with the neighbor. The neighbor's attorney dropped the inquiry within a week.

24/7 EmergencyRoot Failure AnalysisInsurance DocumentationDPW FilingRoad Clearance
03
Case Study — PreservationPacific Heights · March 2025

The Heritage OakWorth Saving.

A property manager on Broadway was fielding pressure from the building owner to remove a 140-year-old valley oak — it was dropping branches and the owner was nervous about liability. The tree was listed on SF's Heritage Tree Registry.

We were called to assess. Two hours on site, climbing the canopy with a camera rig. The diagnosis: the tree wasn't failing — it was over-competing for water in a drought year. Three major co-dominant stems needed structural cabling. Four deadwood sections needed removal. The crown needed a 15% reduction on the street side.

“Removing it would have cost the owner $18,000 in city fines and lost them the most valuable feature on the lot.”

The preservation work took two days and cost a fraction of removal. We installed Cobra cabling on the three co-dominant stems — hardware that will outlast the current ownership. The arborist report we provided became part of the property disclosure package.

The building sold eight months later. The listing called out the heritage oak as a feature. It sold $85,000 over asking.

140 yrs

Tree Age

−62%

Cost vs. Removal

+$85K

Sale Premium

Heritage Tree RegistryStructural CablingCrown ReductionDeadwood RemovalArborist Report
Massive heritage valley oak tree with full canopy spread over a Pacific Heights property in San Francisco
Arborist climbing high into a large oak tree canopy to install structural cabling and remove deadwood sections
Who We Are

Credentials aren't a formality.
They're the job.

ISA

International Society of Arboriculture

Certified Arborist #WE-12847A

TRAQ

Tree Risk Assessment Qualified

ISA TRAQ — all lead climbers

SF-UF

SF Urban Forestry Permitted

DPW Bureau of Urban Forestry

LIC

California Contractor Licensed

CSLB #1082456

INS

Fully Insured & Bonded

$5M general liability

17

years in

San Francisco's trees.

2009 — 2026

What We Do
Tree Removal
Structural Pruning
Emergency Response
Hazard Assessment
Heritage Tree Preservation
Stump Grinding
Root Management
Permit Assistance
Insurance Documentation
Crown Reduction
Neighborhoods Served

Noe Valley · Sunset · Pacific Heights · Richmond · Castro · Mission · Bernal Heights · Cole Valley · Twin Peaks · Potrero Hill · Glen Park · West Portal · Forest Hill · Haight-Ashbury · Russian Hill · Nob Hill