Overhead & net revenue

Administrative drag between gross levy and net usable revenue: collection fee, oversight costs, and election amortization.

Summary

For a Harmony USD parcel tax targeting roughly $300,000/year gross, three cost items reduce net usable revenue. The collection fee is the most precisely estimable; the others depend on district choices about measure design and election timing.

Cost item Nature Rough annual impact on $300k gross
Sonoma County collection fee Recurring; deducted as tax-roll cost recovery ~0.85% ≈ $2,550/yr
Oversight / reporting / audit Recurring; mostly staff burden unless a separate audit is required $1,000–$10,000/yr
Election cost (amortized) One-time upfront; amortized over term ~0.5%–3%/yr consolidated; higher if standalone
Total planning reserve Practical budgeting assumption ~2%–6% of gross
Planning range. For a $300,000/year gross levy, model net usable revenue of approximately $285,000–$294,000/year. The main swing factors are whether the election is consolidated with a statewide ballot and whether the measure locks in a separate independent financial audit.

1. Sonoma County collection fee

Sonoma County's Auditor-Controller-Treasurer-Tax Collector (ACTTC) may charge a cost-recovery fee for placing charges on the county tax roll. A 2022 direct-charge agreement with the Graton Community Services District caps that fee at 0.85% of the annual levy. Applied to a $300,000 gross levy:

$300,000 × 0.0085 = $2,550/year

The comparable agreement for Harmony USD may differ, but 0.85% is the best available public benchmark. The revenue explorer uses this as the default collection fee rate; adjust it if Harmony negotiates a different agreement with ACTTC.

What ACTTC does not do

Sonoma County's direct-charge instructions note that ACTTC does not maintain exemption records. Exemption eligibility must be determined and authorized by the district itself. That means the district (or its contractor) must:

This exemption-administration burden is a real staff cost, but it is typically not large enough to quantify separately from the general oversight budget.

2. Oversight, reporting, and audit costs

Government Code §50075.1 and §50075.3 require every school parcel tax measure to state its specific purposes, restrict spending to those purposes, maintain a segregated account, and produce an annual fiscal-officer report. Those statutory requirements are the floor. Districts commonly add a voluntary citizens' oversight committee, and some measures promise an independent financial audit. The cost depends entirely on which level of oversight is locked into the ballot language.

Component Likely incremental annual cost
Volunteer oversight committee (members) $0
Staff time — agenda, minutes, web posting $500–$3,000 equivalent
Annual fiscal-officer report (§50075.3) Soft cost if internal
Audit increment — if folded into existing district audit $0–$2,000
Audit increment — if separate agreed-upon-procedures engagement $3,000–$10,000
Lean version (no separate audit) ~$1,000–$3,000/yr
Formal version (separate audit) ~$5,000–$10,000/yr
Drafting trap: the independent audit promise. On a $300,000/year tax, a separate annual financial audit can consume 2–3% of proceeds. If the district's existing annual audit can cover the parcel-tax fund as a sub-fund, the ballot language should say so (or leave the audit method unspecified). Locking in "annual independent financial audit" without that caveat is politically attractive but creates a recurring disproportionate overhead for a small levy.

The revenue explorer defaults to $5,000/year for oversight and reporting — a reasonable midpoint. Adjust this in the Overhead inputs if the measure design is leaner or heavier.

3. Election cost (amortized)

Election costs vary substantially depending on whether the measure appears on a consolidated statewide election or a standalone special election. A West Sonoma County school parcel-tax discussion reported that a poll alone could cost ~$6,500, with the actual election potentially running "tens of thousands of dollars" borne by the district. Harmony's March 2024 bond measure appeared on a statewide primary ballot — the cheaper type of context.

Election type Likely total cost
Consolidated statewide primary or general $15,000–$50,000
Odd-date / standalone special election $50,000–$100,000+

Amortization over the measure term

The table below shows the annualized election drag as a percentage of a $300,000 gross levy, for several election cost scenarios and measure terms.

Election cost 8-year term 10-year term
$15,000$1,875/yr = 0.63%$1,500/yr = 0.50%
$25,000$3,125/yr = 1.04%$2,500/yr = 0.83%
$40,000$5,000/yr = 1.67%$4,000/yr = 1.33%
$60,000$7,500/yr = 2.50%$6,000/yr = 2.00%
$100,000$12,500/yr = 4.17%$10,000/yr = 3.33%

The revenue explorer defaults to $25,000 election cost over an 8-year term ($3,125/year). For a consolidated election this is conservative; for a standalone special election it would be optimistic.

4. Approval threshold

A school-district parcel tax is a special tax. California Constitution Article XIII C §2(d) requires any local special tax to be approved by two-thirds of voters. A measure that produces $300,000/year on paper must first clear a 66.67% supermajority threshold, which argues for:

5. Planning scenarios

All figures below assume a $300,000 gross levy and the Measure B mirror exemption regime (age/disability and contiguous common ownership on).

Scenario Collection fee Admin/oversight Election (amortized) Total drag Net usable
Lean — consolidated election, audit folded into district audit $2,550 $1,500 $1,875 $5,925 (2.0%) $294,075
Mid — consolidated election, modest separate oversight $2,550 $5,000 $3,125 $10,675 (3.6%) $289,325
Conservative — consolidated election, fuller audit regime $2,550 $8,000 $5,000 $15,550 (5.2%) $284,450
Worst case — standalone special election, heavy oversight $2,550 $10,000 $12,500 $25,050 (8.4%) $274,950
Recommendation. For financial planning, use the Mid scenario as the base case (~$289k net) and test sensitivity at the Conservative scenario (~$284k net). The main lever the district controls is election timing — a consolidated election versus a standalone special election is worth roughly $4,000–$10,000/year in annualized savings on a $300k levy.

How overhead is applied in the model

The revenue explorer and revenue_model.py automatically apply a best-guess overhead deduction to every projection. All displayed revenue figures are net — you are seeing what the district would actually have available to spend, not the gross levy. The gross is shown in smaller text below the main number in the explorer.

The best-guess function uses three components derived from what the model already knows — no user configuration is required:

Collection fee:       0.85% × gross revenue       (Graton CSD benchmark)
Admin/oversight:      $1,500 + $0.50/paying parcel (floor $1,500; cap $8,000)
Election amortized:   $25,000 ÷ 8 years = $3,125/yr

For ~2,700 paying parcels at $300k gross:
  Collection fee:   ~$2,550
  Admin:            ~$2,850  ($1,500 + $0.50 × 2,700)
  Election:         ~$3,125
  Total overhead:   ~$8,525  (≈2.8% of gross)
  Net revenue:      ~$291,475

The planning scenarios in the table above remain useful for sensitivity analysis — they show what net revenue would look like under different audit-regime and election-cost assumptions, which the best-guess function holds constant.

Disclaimer. Cost estimates are based on publicly available Sonoma County documents and comparable district information. The actual collection fee, audit cost, and election cost for Harmony USD must be confirmed with the Sonoma County ACTTC, the district's auditor, and the Registrar of Voters respectively before finalizing any financial plan.

Sources

  1. Sonoma County ACTTC, Instructions for Submitting Direct Charges — confirms cost recovery fee and that ACTTC does not administer exemptions.
  2. Graton CSD direct-charge agreement (2022) — caps collection fee at 0.85% of annual levy; used as benchmark for Harmony USD estimate.
  3. Government Code §50075.1 — special-tax accountability requirements (specific purposes, segregated account, annual report).
  4. Government Code §50075.3 — fiscal-officer annual report requirement.
  5. Healdsburg Tribune, WSCUHSD board approves parcel tax poll amid debate — poll cost ~$6,500; election cost "tens of thousands" for a district of similar size.
  6. Sonoma County Registrar of Voters, Election Costs — cost components for county-administered elections.
  7. California Constitution Article XIII C §2(d) — two-thirds approval requirement for local special taxes.