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Feasibility & Due Diligence

Development Cost Obligations: A Due-Diligence Framework for Fees, Exactions, Districts, and Reimbursements

A practical framework for identifying development-related public obligations, tracing their authority and calculation, modeling payment timing, preserving credits and reimbursements, and carrying the current cost record through acquisition, approval, mapping, permitting, construction, and closeout.

By California Development AdvisoryPublished August 11, 2026Reviewed August 11, 202617 min readFramework

Key Takeaways

  • Identify every fee, charge, exaction, improvement, district obligation, security requirement, reimbursement right, and recurring public burden that can affect the development program.
  • Distinguish estimates, imposed obligations, calculated amounts, secured performance, payments, protests, credits, reimbursements, releases, and reconciliations.
  • Connect each obligation to its source, project scope, calculation basis, trigger, cash-flow date, legal review, evidence, and responsible party.

Development Costs Accumulate Across the Approval and Delivery Record

A project can carry development-related public obligations from the first application through final occupancy and later operations. Agencies may require application deposits, plan-check and inspection charges, impact fees, utility charges, dedications, easements, off-site improvements, mitigation work, public-facility construction, school fees, district participation, special taxes, security, or reimbursement agreements. Existing agreements can supply credits, capacity rights, repayment rights, or cost-sharing duties. Conditions, maps, improvement plans, permits, fee schedules, rate resolutions, district records, utility will-serve materials, and closing documents may describe different portions of the same cost program.

The financial model requires several dimensions. Amount matters. Payment date matters. Security and lien treatment matter. Scope and allocation matter. Escalation, index dates, unit counts, exemptions, credits, reimbursements, and phase timing can change the result. A figure supplied during entitlement due diligence may remain an estimate until an agency calculates the amount under the rate and project facts effective at a later milestone.

California law provides several relevant process and substantive frameworks. Government Code section 65941.1 allows a qualifying housing-development applicant to request a good-faith estimate of fees and exactions with a preliminary application, subject to the section’s timing and informational limitations. Government Code section 66001 requires specified reasonable-relationship determinations for local development fees and excludes costs attributable to existing public-facility deficiencies within the section’s terms. Government Code section 66007 supplies current timing rules for specified residential development fees and charges, with detailed provisions for designated residential development projects, stated exceptions, and recorded payment contracts. Government Code section 66020 establishes a protest procedure and short statutory periods for covered fees, dedications, reservations, and other exactions.

The United States Supreme Court’s 2024 decision in Sheetz v. County of El Dorado confirmed that legislatively prescribed land-use permit conditions remain subject to the Takings Clause. The opinion returned unresolved questions concerning the application of the governing standards to particular fee programs and class-based formulas. Project-specific constitutional, statutory, protest, and litigation analysis belongs with qualified counsel.

A development-cost record should support investment decisions, agency coordination, financing, cash-flow planning, legal review, construction sequencing, accounting, purchaser or successor diligence, and project closeout.

Define the Cost Universe

Begin with a broad classification. Keep each obligation in its legal and project context.

1. Application, Processing, and Professional-Review Charges

These may include application fees, deposits, staff time, environmental review, consultant reimbursement, plan check, map check, inspection, permit processing, legal review, district formation, annexation, and administrative charges.

2. Development Impact and Mitigation Fees

These may fund transportation, parks, public safety, libraries, general government facilities, drainage, habitat, affordable housing, public art, or other adopted programs. Record the fee program, nexus study, rate resolution, calculation method, geographic area, project category, exemptions, and payment trigger.

3. Utility and Service Charges

These may include water, wastewater, recycled water, stormwater, electric, gas, communications, connection, meter, capacity, facility, buy-in, service, inspection, and account-establishment charges. Identify the provider, tariff or resolution, capacity basis, service area, reservation status, validity period, and refund or transfer conditions.

4. Land, Easement, and Improvement Exactions

These may include dedications, reservations, rights-of-way, easements, frontage work, off-site improvements, traffic controls, utility extensions, drainage facilities, trails, parks, fire improvements, and other physical obligations imposed or undertaken through the approval record.

5. Project-Built Improvements and Security

The sponsor may construct public or quasi-public facilities directly and provide bonds, letters of credit, deposits, agreements, warranties, maintenance security, or other assurance. The cost record should include design, land, acquisition, construction, contingency, escalation, professional services, inspection, testing, security premiums, replacement security, and release requirements.

6. School and Other Statutory Programs

School-facility fees and other statutory programs can have distinct authority, rate schedules, classifications, exemptions, documentation, and payment timing. Track them as separate obligations and confirm current requirements with the administering entity and counsel.

7. District Taxes, Assessments, and Formation Costs

A community facilities district, assessment district, benefit assessment, landscape and lighting district, maintenance district, or related mechanism can create formation costs, annexation costs, special taxes, assessments, continuing administrative charges, disclosure duties, lien effects, and long-term property burdens.

8. Credits, Reimbursements, and Capacity Rights

A project may earn or acquire fee credits, reimbursement rights, oversizing credits, frontage credits, district proceeds, capacity reservations, transfer rights, or repayment from later users. Each right should be documented as an asset with eligibility, amount, priority, term, claim procedure, evidence, and collection status.

9. Recurring Public and Shared Obligations

Some development arrangements continue after construction: special taxes, assessments, utility standby charges, district administration, maintenance contributions, shared-facility costs, monitoring, reporting, habitat management, or public-agency reimbursement. Carry these items into operating, association, purchaser-disclosure, and successor records where applicable.

A Nine-Part Development-Cost Framework

1. Build the Authority and Source Record

For every obligation, identify the document and legal authority that creates, estimates, calculates, secures, modifies, or releases it.

Sources may include:

  • statute or regulation;
  • ordinance or resolution;
  • fee schedule or rate sheet;
  • nexus study;
  • utility tariff;
  • condition of approval;
  • mitigation measure;
  • development agreement;
  • subdivision improvement agreement;
  • reimbursement agreement;
  • district formation, annexation, tax, or assessment record;
  • map, easement, or dedication instrument;
  • permit or plan-check record;
  • agency invoice or calculation letter;
  • will-serve or service agreement;
  • financing or acquisition document;
  • escrow instruction or title exception; and
  • prior payment, credit, release, or refund evidence.

Record the effective date and version. A fee schedule can change between application, approval, map recordation, building permit, and occupancy. A project-specific agreement may fix, defer, credit, cap, or otherwise address an obligation. A condition may use a defined index or calculation date.

Preserve the exact agency communication and calculation workpaper. Oral estimates should be labeled with the speaker, date, assumptions, and required follow-up.

2. Separate the Lifecycle Status of Each Obligation

Use status terms that describe the obligation’s actual position.

  • Identified: A potential obligation appears in a law, checklist, agency program, title record, agreement, condition, or prior project record.
  • Estimated: A preliminary amount or range has been prepared from current assumptions. The record should state its information source and limitations.
  • Imposed: An agency action, agreement, permit, map, condition, district action, or other operative instrument applies the obligation to the project.
  • Calculated: The administering entity or responsible professional has applied the governing rate, formula, quantity, and project facts to determine a current amount.
  • Secured: Payment or performance is backed by a bond, letter of credit, deposit, lien, contract, district mechanism, or other assurance.
  • Paid or Performed: The project has completed the required payment, dedication, construction, conveyance, or other performance, subject to any remaining acceptance or reconciliation.
  • Protested or Reserved: Counsel has directed and documented the applicable preservation procedure concerning validity, amount, timing, or scope.
  • Credited: An approved credit has reduced a fee, improvement, or other obligation.
  • Reimbursable: An agreement or program recognizes a repayment right after stated conditions occur.
  • Released: The administering party has issued evidence releasing security, lien, contract, or continuing performance obligation.
  • Reconciled: The final amount, payment, credit, reimbursement, allocation, accounting, and closeout evidence agree.

A single obligation can hold several linked statuses. A public improvement can be imposed, secured, under construction, partially credited, and eligible for later reimbursement. Model each dimension explicitly.

3. Reconstruct the Calculation

Create a transparent calculation sheet for each material monetary obligation.

Record:

  1. project category or land use;
  2. phase, parcel, lot, unit, building, or permit scope;
  3. quantity and unit of measure;
  4. base rate;
  5. fee-schedule or tariff date;
  6. geographic or benefit area;
  7. density, floor area, trip, demand, meter, capacity, frontage, acreage, or other factor;
  8. indexing or escalation;
  9. administrative surcharge;
  10. exemption, reduction, or adjustment;
  11. credit;
  12. prior payment;
  13. current gross and net amount;
  14. estimate confidence;
  15. agency confirmation status; and
  16. next recalculation event.

Trace the formula to the governing source. Government Code section 66001 requires identified purposes and uses and specified reasonable relationships for covered local development fees. Government Code section 66016.5 addresses impact-fee nexus-study practices and periodic updates under its terms. Preserve the applicable study, rate action, project classification, and calculation evidence for counsel and financial reviewers.

Test unit and phase consistency. A project may be described by dwelling units in one record, equivalent dwelling units in a utility record, square feet in another program, and trips in a transportation fee. Confirm which version of the development program each calculation uses.

Build scenario ranges for uncertain items. Show the base case, identified change drivers, high and low assumptions, update date, and decision effect.

4. Model Timing, Cash Flow, Security, and Lien Effects

Record the event that makes each amount due or each performance obligation active. Potential triggers include:

  • application filing;
  • deposit depletion;
  • completeness;
  • entitlement approval;
  • map approval;
  • final-map recordation;
  • agreement execution;
  • district formation or annexation;
  • grading permit;
  • building permit;
  • service application;
  • utility connection;
  • improvement acceptance;
  • final inspection;
  • temporary certificate of occupancy;
  • certificate of occupancy;
  • close of escrow;
  • sale or occupancy of a specified unit or percentage; and
  • annual tax or assessment cycle.

Government Code section 66007 currently provides that specified residential fees or charges for public improvements or facilities are generally collected at final inspection or issuance of the certificate of occupancy, whichever occurs first, subject to the section’s exceptions. Utility connection-related charges may be collected at service application within the stated cost limit. The section contains detailed rules for designated residential development projects, including defined project categories, payment timing, exceptions for specified previously incurred or appropriated public-facility costs, security options, liens, and recorded payment contracts.

Confirm section 66007’s application to the specific fee, agency, project, and milestone with counsel. Record the operative subsection, agency interpretation, amount fixed or subject to later rates, security requirement, contract form, lien effect, release procedure, and cash-flow date.

For noncash exactions and project-built improvements, model land acquisition, design, permitting, construction, escalation, contingency, professional services, utility relocation, insurance, security, maintenance, acceptance, and closeout costs. Link the schedule to map life, permits, occupancy, and phase delivery.

5. Connect Obligations to Conditions, Maps, Permits, and Project Milestones

A cost item often sits inside an implementation obligation. Link each development-cost ID to:

  • condition or mitigation ID;
  • entitlement and resolution;
  • map note or requirement;
  • improvement plan or permit;
  • responsible agency division;
  • project phase;
  • predecessor and successor tasks;
  • security package;
  • construction contract;
  • acceptance evidence;
  • occupancy or sales milestone; and
  • continuing maintenance or monitoring duty.

Use the conditions and commitments register as the implementation spine. A transportation condition may require a fee, a fair-share payment, construction, dedication, signal work, or a combination. The cost record should preserve the exact performance path approved by the agency.

Identify change effects. A unit-count revision, land-use shift, phase split, facility redesign, utility change, revised map, project-description update, or permit sequence can alter fee classification, quantities, timing, security, or credit eligibility. Route material changes through the project change-review protocol.

6. Evaluate District and Recurring Burdens

For each district or recurring public mechanism, assemble:

  • formation and annexation documents;
  • boundary map and parcel coverage;
  • rate and method of apportionment;
  • engineer’s report or equivalent record;
  • maximum and expected special tax or assessment;
  • escalation provisions;
  • term and termination conditions;
  • bond or debt information;
  • priority and lien treatment;
  • prepayment provisions;
  • administrative charges;
  • disclosure requirements;
  • annual levy history;
  • undeveloped-property treatment;
  • owner-occupied or affordable-unit provisions;
  • phase and parcel allocation;
  • delinquency consequences; and
  • responsible administrator.

Model annual burdens by lot, unit, parcel, land use, and phase. Show the relationship to association assessments, utility charges, maintenance districts, and other recurring property costs. Carry the approved figures into feasibility, sales disclosures, public-report materials, association budgets, and acquisition or disposition records where applicable.

Review district assumptions at each map, permit, sale, and phase milestone. Parcel changes, annexations, prepayments, debt issuance, rate updates, or development-classification changes can affect the schedule.

7. Preserve Credits, Reimbursements, and Recovery Rights

Treat every credit or reimbursement right as a controlled project asset.

Record:

  1. agreement or program;
  2. eligible work, land, capacity, or payment;
  3. approving entity;
  4. gross eligible amount;
  5. exclusions and nonreimbursable costs;
  6. credit valuation method;
  7. priority and source of repayment;
  8. claim-submission requirements;
  9. completion and acceptance conditions;
  10. documentation required;
  11. expiration or sunset;
  12. transfer or assignment rules;
  13. audit rights;
  14. administrative deductions;
  15. interest treatment;
  16. credits already applied;
  17. reimbursements received;
  18. remaining balance; and
  19. next claim or verification date.

Preserve invoices, contracts, certified payroll where required, payment records, plans, quantities, change orders, inspection evidence, acceptance, dedications, title evidence, and agency approvals. Build the evidence package while work proceeds.

Reconcile overlapping benefits. One improvement can affect a fee credit, district reimbursement, utility reimbursement, development-agreement obligation, and condition satisfaction. Confirm the approved allocation and prevent duplicate recovery assumptions.

At acquisition or disposition, state whether the right transfers, requires consent, follows the land, belongs to a named entity, depends on future development, or remains subject to audit and collection uncertainty.

9. Reconcile at Acquisition, Financing, Phase Release, and Closeout

Development-cost diligence should recur at decision milestones.

  • Acquisition: Verify which obligations run with the land, bind a named entity, depend on assignment, remain unpaid, are secured, appear in title, are subject to protest or dispute, or carry transferable credits and reimbursements.
  • Financing: Provide the lender with current estimates, imposed obligations, payment dates, security, liens, district burdens, cost-to-complete, contingencies, and recovery assumptions consistent with the financing documents.
  • Entitlement and map approval: Capture new conditions, exactions, agreements, district requirements, protest notices, and implementation triggers.
  • Permit and construction: Update rates, quantities, invoices, deposits, security, construction costs, credits, and cash-flow dates.
  • Phase release: Confirm all fees, improvements, utilities, district obligations, disclosures, payment contracts, liens, and continuing burdens affecting the offered or occupied interests.
  • Closeout: Reconcile payments, performance, acceptance, credits, reimbursements, security releases, recorded releases, unused deposits, refunds, district status, accounting, and successor obligations.

Issue a development-cost certificate or status memorandum at each milestone. State the record date, project scope, included obligations, exclusions, open estimates, pending agency confirmations, counsel-managed items, and next update event.

The Development-Cost Register

A robust register can include:

  1. obligation ID;
  2. category;
  3. imposing or administering entity;
  4. legal authority and source document;
  5. project, phase, parcel, unit, or permit scope;
  6. condition, map, agreement, or permit link;
  7. calculation method;
  8. quantity and unit;
  9. rate and effective date;
  10. gross amount or range;
  11. escalation or indexing;
  12. exemption or adjustment;
  13. credit;
  14. net amount;
  15. estimate, imposed, or calculated status;
  16. trigger and due date;
  17. cash-flow date;
  18. payment-timing provision;
  19. security, contract, or lien;
  20. protest or legal-review trigger;
  21. counsel instruction status;
  22. payment or performance evidence;
  23. credit or reimbursement right;
  24. agreement term or expiration;
  25. responsible party;
  26. accounting treatment;
  27. operational dependency;
  28. release or reconciliation evidence;
  29. next verification event; and
  30. last review date.

Use stable IDs across feasibility models, acquisition diligence, conditions registers, project schedules, draw requests, permit logs, public-report matrices, phase-release workplans, accounting records, and closing packages.

Seven Development-Cost Gates

Gate 1: Cost Universe Complete

The project has reviewed agencies, utilities, approvals, conditions, maps, districts, agreements, title, permits, and recurring public obligations.

Gate 2: Authority and Calculation Traceable

Each material item links to current authority, rate, scope, quantity, formula, adjustment, and agency evidence.

Gate 3: Timing and Security Modeled

Payment, performance, security, lien, release, and cash-flow effects align with the actual project schedule and current law.

Gate 4: Implementation Linked

Every fee, exaction, improvement, dedication, and district obligation connects to the governing condition, agreement, map, permit, phase, and acceptance path.

Gate 5: Recovery Rights Preserved

Credits, reimbursements, capacity rights, refunds, deposits, and releases have documented eligibility, evidence, deadlines, and collection status.

Gate 6: Counsel Review Current

Potential protests, disputes, constitutional issues, contractual questions, and short statutory periods have reached counsel with a complete factual record.

Gate 7: Milestone Reconciliation Issued

Acquisition, financing, approval, permit, phase-release, and closeout decisions use a dated development-cost status record.

Questions to Resolve

  • Which agencies, utilities, districts, agreements, conditions, maps, and permits can create a project obligation?
  • Which figures are estimates, imposed amounts, current calculations, secured performance, payments, or recurring burdens?
  • Which project version, unit count, phase, rate date, and formula support each amount?
  • When is each fee payable or each improvement required, and which exceptions or security arrangements apply?
  • Which obligations create liens, recorded contracts, title exceptions, or successor exposure?
  • Which items require counsel review for protest, validity, scope, timing, or preservation?
  • Which improvements, payments, land, or capacity create credits or reimbursement rights?
  • Which evidence is required to claim, transfer, collect, or audit each recovery right?
  • How do district taxes, assessments, utility charges, and association assessments combine at the lot or unit level?
  • Which obligations remain open at acquisition, financing, phase release, sale, occupancy, and closeout?

Practical Next Steps

Build the Source Index

Collect current fee schedules, nexus studies, utility tariffs, conditions, agreements, district records, invoices, estimates, payment records, title items, and reimbursement documents.

Classify Every Obligation

Assign a category, lifecycle status, project scope, responsible entity, trigger, cash-flow date, and next verification event.

Reconstruct Material Calculations

Show the rate, unit, quantity, index, exemption, credit, prior payment, and net amount for each high-value or decision-sensitive item.

Open the Preservation Calendar

Route approval notices, fee impositions, exactions, invoices, conditions, and potential disputes to counsel immediately and record counsel-directed operational steps.

Build the Recovery File

Create contemporaneous evidence packages for credits, reimbursements, deposits, refunds, capacity, and security releases.

Issue a Milestone Cost Record

Reconcile the register before acquisition, financing, approval, permit issuance, phase release, occupancy, disposition, and closeout.

Professional Roles & Agency Authority

CDA Insights provides general process information. Current statutes, ordinances, resolutions, fee studies, tariffs, agreements, conditions, district records, agency calculations, title, project facts, and professional standards control each obligation. Counsel should evaluate legal authority, constitutional issues, protest and litigation procedures, deadlines, preservation, contract rights, liens, transfers, and dispute strategy. Engineers, appraisers, accountants, tax professionals, district consultants, utility specialists, cost estimators, and other qualified specialists retain responsibility for their professional work. Public agencies and utilities retain their respective calculation, processing, acceptance, and decision authority.

CDA Insights provides general information about California development processes. Requirements vary by jurisdiction, project type, project facts, and current law. Project-specific legal, engineering, surveying, architectural, environmental, financial, appraisal, tax, accounting, and agency questions require review by the appropriate professionals and, where applicable, the responsible public agencies.

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Put Every Development Obligation on One Controlled Record

Share the approvals, conditions, fee schedules, utility materials, district records, agreements, estimates, invoices, security, credits, reimbursements, and current financial model. CDA can help organize a scoped development-cost register with authority, calculation, timing, dependency, recovery, and milestone controls.

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