Tree-Service Recurring Contract Pricing Calculator

How this calculator works

This calculator builds a defensible recurring HOA or commercial tree-care maintenance contract price from first principles. It takes the count of trees under contract, the average maturity tier across the portfolio (young, semi-mature, mature, over-mature specimen), the visits per year (typically 2 — 1 inspection plus 1 selective-pruning), an optional override of the per-tree per-visit labor hours, the loaded crew rate, the equipment allocation per crew-hour, and the target gross margin. From those it derives the total annual labor hours, the labor and equipment cost, the admin allocation, the annual cost, the annual contract price that hits the target margin, and the monthly contract price.

The output is a screening price — a defensible starting point that the operator and the HOA board or commercial property manager validate against a portfolio walk-through, a local market comparison, and the operator's specific crew utilization on the route.

The framework — annual labor hours times loaded cost stack

Recurring tree-care contracts are most often priced by walking the property once, naming a flat monthly figure, and renewing annually with a CPI escalator. The result is widespread under-pricing on portfolios with significant over-mature specimens (which require materially more time per visit than the operator priced in) and over-pricing on young portfolios where 0.15 hours per tree per visit is sufficient.

The defensible build-up has four components. Per-tree per-visit hours sets the unit of labor. The maturity tier defaults are 0.15 hours (young, under 10 years), 0.35 hours (semi-mature, 10 to 25 years), 0.65 hours (mature, 25 to 75 years), and 1.00 hour (over-mature / specimen, over 75 years). The per-tree per-visit hours override lets the operator enter a portfolio-specific figure produced by a stopwatch walk-through on a representative sample. Total annual labor hours equals tree count times per-tree per-visit hours times visits per year.

Labor cost is total annual labor hours times the loaded crew rate per hour. The loaded rate must include base wage, employer-side payroll-tax stack, WC at NCCI class code 0106, GL allocation, ISA cert maintenance, and ANSI Z133 PPE. Routine pruning crews run slightly lower than removal crews because a third ground-crew member is not always required — typical range $120-$200 per hour. Use the arborist-licensure-insurance calculator in this cluster to build the figure from inputs.

Equipment cost is total annual labor hours times the equipment allocation. Default $55 per crew-hour covers bucket truck plus chipper. Routine pruning typically does not require a crane.

Admin allocation covers the fixed administrative load of the recurring relationship — client communication, scheduling, ISA Certified Arborist documentation, ANSI A300 compliance record-keeping, invoicing, renewal management, and certificate-of-insurance refresh. Default $400 per year for contracts under 100 trees; scales at $2 per tree above the 100-tree threshold to cover per-tree work-history maintenance and hazard-tree tracking.

The annual contract price is the total annual cost (labor plus equipment plus admin) divided by (one minus the target margin). At a 30 percent target margin a $20,000 annual cost produces an annual contract price of $20,000 divided by 0.70, or $28,571. The monthly contract price is the annual price divided by 12.

Inputs explained

Tree count is the count of trees the contract covers across the property or portfolio. A small residential HOA covers 50-150 trees; a mid-size HOA 200-500 trees; a large master-planned community or commercial campus 1,000-5,000 trees. Walk the property with a clicker counter or pull the count from the original site plan / landscape architect's plant schedule; recount every 5 years as trees are removed and replanted.

Average tree maturity sets the per-tree per-visit hours default. Estimate the maturity distribution by a walk-through; for mixed-maturity portfolios use the per-tree per-visit hours override input with a weighted average. Young (under 10 years, 0.15 hours per visit) is light formative pruning. Semi-mature (10 to 25 years, 0.35 hours) is early structural pruning. Mature (25 to 75 years, 0.65 hours) is selective deadwooding and canopy thinning. Over-mature / specimen (over 75 years, 1.00 hour) is heritage-tree care, cabling and bracing assessments, end-of-life management.

Visits per year is the routine visit count. The standard HOA / commercial pattern is 2 visits — 1 inspection (canopy walk-down, hazard-tree flag, ANSI A300 health assessment) plus 1 selective-pruning (routine deadwooding, canopy thinning where warranted, structural pruning on younger trees). 1 visit per year covers inspection only; 3-4 visits per year covers high-touch portfolios with intensive pruning. Storm-event mobilizations are separate emergency-response work.

Labor hours per tree per visit (override) is an optional override of the maturity-tier per-tree per-visit hours. Set to 0 to use the tier default. Use the override when the portfolio is mixed-maturity, when a recent walk-through produced a portfolio-specific average, or when the contract specifies an unusual care level.

Loaded crew rate is the fully-loaded hourly cost of a 2-person routine-pruning crew (climber plus 1 ground crew). Typical range $120-$200 per hour. Build the figure from inputs in the arborist-licensure-insurance calculator in this cluster.

Equipment allocation is the per-crew-hour allocation for bucket truck plus chipper. Default $55 per hour for routine pruning (slightly lower than the $60 per hour removal allocation because the equipment cycles less between major use events).

Target gross margin is the operator's target margin on the annual contract price. Recurring contracts typically target 25-35 percent — tighter than removal jobs because the recurring-revenue commitment is genuinely valuable and the operator can amortize admin overhead across the multi-year relationship. Multi-year contracts justify the tighter margin; year-to-year contracts should price closer to 35 percent.

ANSI A300 — the standard the contract should specify

ANSI A300 Tree Care Operations Standards is the consensus operational standard for tree care developed under the auspices of the American National Standards Institute. The contract should specify ANSI A300 as the work specification — that anchors the operator to a documented baseline and gives the HOA board or commercial property manager a verifiable acceptance criterion.

ANSI A300 (Part 1) Pruning defines the cut placement, branch collar protection, the percent of live crown that may be removed in a single visit (typically capped at 25 percent on mature trees; lower percentages apply to declining or stressed trees), the categories of pruning (cleaning, thinning, raising, reduction, structural), and the prohibition on topping and lion-tailing as routine maintenance techniques. The standard is the consensus answer to the question "what counts as a properly pruned tree" — and it should be the answer the contract specifies.

ANSI A300 (Part 2) Soil Management addresses installed-landscape-tree soil management — decompaction, mulch installation, vertical mulching, irrigation specification. Typically priced separately from the routine maintenance pruning contract as a soil-health intervention.

ANSI A300 (Part 6) Planting and Transplanting covers new-tree installation, root-ball handling, and stake-and-guy specification. The recurring contract should specify Part 6 as the standard for any replacement planting performed by the operator during the contract term.

Other A300 parts (Part 3 Supplemental Support Systems, Part 5 Construction Protection, Part 7 Integrated Vegetation Management, Part 8 Root Management, Part 9 Tree Risk Assessment, Part 10 Integrated Pest Management) apply to specific scopes typically priced as separate interventions.

ANSI Z133 — the safety baseline that funds the price

ANSI Z133-2017 (Safety Requirements for Arboricultural Operations) is the consensus safety standard the crew must work to on every visit. Climbing line meeting Z133 strength and elongation specs. Work positioning lanyard. Helmet with chinstrap. Eye protection. Hearing protection above 85 dBA TWA (chainsaws routinely run 105-115 dBA). Leg protection for chainsaw operators. Minimum approach distance to energized conductors (10 ft minimum for unqualified arborists). A recurring contract priced below the level that funds full Z133 compliance forces a corner-cutting decision on the route — the calculator should not be used to set a price that does not fund the operator's documented safety baseline.

Storm-event mobilizations price separately

Storm-event mobilizations after a hurricane, named storm, or major windstorm are separate emergency-response work and should be priced and contracted separately from the recurring maintenance contract. The recurring contract should explicitly carve out hurricane and named-storm response.

Many HOAs prefer a separate emergency-response retainer with the same operator — guaranteed crew availability within 24-48 hours of a storm in exchange for a modest annual retainer fee — but the emergency mobilization itself prices at the after-hours and weekend multipliers in the storm-damage-emergency-response calculator in this cluster. Folding storm work into the recurring price either overcharges in non-storm years or undercharges in storm years, neither of which serves the relationship.

What this calculator does NOT model

Several real items are out of scope and should be priced separately. Cabling and bracing on individual trees — price as a separate structural-support intervention on the ISA Certified Arborist prescription. Hazard-tree removal flagged during inspection — price as a change order using the tree-removal-job-pricing calculator in this cluster. Stump grinding on removed trees — same. Soil-management interventions under A300 Part 2 — typically priced separately as a soil-health intervention. Storm-event emergency response — price in the storm-damage-emergency-response calculator. Pest and disease treatments under A300 Part 10 — typically a separate prescription requiring a state pesticide applicator license.

Mobilization costs for portfolios more than 30 minutes from the operator's yard should add a mobilization line item. Snow-and-ice-rigging premiums for winter work in northern climates apply during the dormant season. Certified flagger fees for street-side work on commercial frontages apply where the local jurisdiction requires a traffic-control plan.

Sources

• ANSI A300 — Tree Care Operations Standards. The consensus operational standard for tree care developed under the auspices of the American National Standards Institute. Part 1 Pruning is the standard the recurring-maintenance contract should specify. tcia.org/TCIA/Build_Your_Business/ANSI_A300_Standards/
• ANSI Z133-2017 — Safety Requirements for Arboricultural Operations. The consensus safety standard. Climbing line, helmet, chaps, eye and hearing PPE, minimum approach distance to energized conductors. webstore.ansi.org
• TCIA — Tree Care Industry Association. Publishes the TCIA Accreditation program, A300 standards in cooperation with the standing committee, and the recurring pricing benchmarks the calculator references. tcia.org
• ISA — International Society of Arboriculture, Certified Arborist credential. The credentialed practitioner standard for the prescription side of routine maintenance pruning. isa-arbor.com
• 29 C.F.R. § 1910.95 — Occupational Noise Exposure. OSHA standard requiring hearing-protection PPE at exposure above 85 dBA TWA. Chainsaws run 105-115 dBA. osha.gov/laws-regs/regulations/standardnumber/1910/1910.95
• NCCI class code 0106 — Tree Pruning, Spraying, or Repairing — All Operations and Drivers. The NCCI workers-compensation class code applied to tree-care payroll. One of the highest WC rates in the standard manual.

Last reviewed: 2026-05-17 against ANSI A300 (Part 1 Pruning, Part 2 Soil, Part 6 Planting), ANSI Z133-2017, TCIA Accreditation pricing benchmarks, and ISA Certified Arborist credential structure.