"PHFA lets me elect 20/50, 40/60, or Average Income — but Average Income here bans market-rate units entirely and caps every unit at 80% AMI. What set-aside actually pencils, what debt-service and reserve numbers will PHFA actually hold my deal to, and whose utility allowance schedule governs my rent calculation?"
Minimum set-aside: the two federal defaults, plus PHFA's own guardrails on Average Income
PHFA administers the standard federal minimum set-aside election. Its Average Income Policy (revised 12/19/2024) states the baseline directly: developments "may elect 20/50 or 40/60 set aside post award" if they don't elect Average Income at application. Average Income (IRC Section 42(g)(1)(c)) is available, but PHFA layers restrictions well beyond the federal floor. The policy states: "the Agency's Allocation Plan for Low Income Housing Tax Credits permits the utilization of the average income set aside...provided that one hundred percent (100%) of the units are affordable to persons at or below 80% of Area Median Income (AMI) or less as long as the average development income and rent limit is 60% AMI. Developments may not contain unrestricted or market rate residential units (manager units are excluded)."
| Requirement | PHFA rule |
|---|---|
| Ceiling on any unit's income target | 80% AMI — no unrestricted or market-rate residential units permitted anywhere in the development |
| Number of income targets | No more than four, set in 10% AMI increments (20/30/40/50/60/70/80% AMI) |
| Federal 40% test | At least 40% of units rent-restricted and income-qualified at the taxpayer's imputed limitation |
| Distribution | Unit sizes and income targeting must be "reasonably distributed" throughout the property |
| Market study | Required, and must evidence demand specifically for each proposed targeted income tier |
| Timing | Income targets locked at Application — cannot be changed afterward |
| Eligibility exclusions | Not available to preservation deals still inside a prior Restrictive Covenant Period's extended low-income commitment |
| Additional compliance fee | $2,000 per property, assessed on all units, specifically for Average Income developments |
PHFA Average Income Policy (revised 12/19/2024); 2025/2026 QAP, Section 2.14. Developments must also make the 8b election on IRS Form 8609 for multiple-building treatment and may never reject a Section 8 voucher holder regardless of the unit's income target.
PHFA's own rent and income limit publication
PHFA publishes its own annual LIHTC income and rent limit schedule (form MTXR041) rather than pointing applicants directly to HUD's release; the most recent cycle located in this research was effective April 1, 2026, consistent with HUD's typical Multifamily Tax Subsidy Project (MTSP) release timing. Separate schedules exist on the same PHFA page for Rural Development-layered and HOME-layered developments. This research could not confirm from PHFA's public materials whether PHFA applies any independent adjustment on top of HUD's underlying MTSP figures (e.g., a hold-harmless override or a PHFA-specific high-cost adjustment) — treat PHFA's published schedule as authoritative for the current year, but do not assume a specific calculation methodology beyond "PHFA republishes annually" without confirming directly with PHFA's Housing Management division.
Debt service coverage: a PennHOMES-specific number, not a blanket Tax Credit underwriting rule
The only explicit, numeric debt-service-coverage standard this research found in PHFA's published materials belongs to the PennHOMES loan program, not to Tax Credit underwriting in general. PHFA's Loan Program Guidelines (2025 MPG-05) state: "If PennHOMES is secured as the first mortgage, the development must be projected to achieve and maintain breakeven cash flow for the first fifteen years of project operations. In the event the PennHOMES loan is used in conjunction with an amortizing primary loan, Confirm that the Debt Service Coverage Ratio is at least 1.20 in the initial stabilized operating period and is not less than 1.05 in years one through and including fifteen and no more than 1.20 in year 15." A separate carve-out applies to federally credit-enhanced deals: "Certain Rural Development projects or developments utilizing a HUD MAP insured loan may have a debt service coverage ratio as low as 110% in the first operating period but must maintain a ratio of 100% through year 15."
A Tax-Credit-only deal with no PHFA first mortgage is underwritten to whatever DCR its actual primary lender requires — PHFA's own guidelines do not independently prescribe a blanket minimum for that scenario. Loan-to-value is capped separately at up to 80% of replacement/appraised value in ordinary cases, and never above 90% of development cost for for-profit developers or 100% for nonprofit developers (MPG-05); PHFA states plainly that its PennHOMES sizing methodology "does not use a loan to value ratio to size the PennHOMES loan" — LTV constrains the primary loan, not the soft second.
Where this goes wrong
- Treating PHFA's Average Income rules as identical to the federal minimum. PHFA requires every unit in the building — not just the average — to sit at or below 80% AMI, bans market-rate/unrestricted units entirely (manager units excluded), and caps income targets at four, in strict 10% AMI increments.
- Assuming a development can switch into or out of Average Income after Application. PHFA's own policy states income targets may not be changed after submission; only a development that did not elect Average Income may still choose between 20/50 and 40/60 post-award.
- Applying the PennHOMES 1.20/1.05/1.20 debt-service-coverage figures to a Tax-Credit-only deal with no PHFA first mortgage. Those numbers are specific to PennHOMES-financed (or RD/HUD MAP-insured) loans; a Tax-Credit-only deal is underwritten to whatever DCR its actual primary lender independently requires.
- Assuming the operating reserve is only a floor. PHFA's Development Cost Limits schedule sets a ceiling too — 9 months maximum in the general case, and only 6 months maximum if a Transformation Reserve is also present — and an application that projects an operating loss is deemed financially infeasible outright, not merely flagged.
- Counting the real estate tax escrow or insurance escrow toward the minimum operating reserve. PHFA's guidelines state explicitly that neither escrow counts toward that minimum; they are separate, Agency-loan-specific first-year requirements.
- Assuming a stabilized-occupancy preservation deal needs (or can even claim) an operating reserve as a development cost. PHFA's guidelines state one "should not be necessary" for Tax-Credit-only preservation deals with a history of sustaining occupancy, and may not be recognized as a cost at all in that scenario.
- Using a generic utility allowance source without checking the building's regulatory status first. PHFA's compliance manual requires HUD-approved schedules for HUD-regulated buildings, RHS-approved schedules for RHS-regulated buildings, and the local PHA's schedule (or PHA Section 8 Existing schedule for voucher units) for conventional buildings — the four-method menu (utility company, PHFA estimate, HUD Utility Schedule Model, energy-consumption-model professional) applies only to that last, conventional-building category.
- Assuming PHFA's published rent and income limits are simply a pass-through of HUD's MTSP figures with no independent PHFA adjustment. This research could not confirm PHFA's exact calculation methodology beyond its own annual republication; confirm directly with PHFA's Housing Management division before assuming no adjustment exists.
- HUD
- LIHTC
- State QAPs
- IRS § 42
- Housing Finance Agencies