State R&D Credits
State research credits look like the federal credit and behave nothing like it — different rates, bases, refundability, apportionment, and paperwork in every state. Individual state guides, multistate strategy, and the honest rankings.
Start here
2 piecesNo background assumed — the pieces that build the foundation.
Guide · Intro · 8 min
How state R&D credits differ: the eight dimensions that matter
Every state research credit varies along the same handful of mechanical dimensions — rate, base, conformity vintage, refundability, transferability, carryforward, caps, and application process. Understanding the dimensions makes any state's credit legible in minutes.
Brief · Intro · 4 min
States without R&D credits: where the federal claim is the whole story
A dozen-plus states offer no research credit — some because they have no income tax to credit against, others simply never enacted one or repealed it. What companies in those states still get, and what substitutes exist.
The working layer
25 piecesThe practitioner's day-to-day rules, mechanics, and traps.
Brief · Working · 4 min
Refundable and transferable state R&D credits: where the credit becomes cash
A minority of states pay research credits in cash to companies with no tax liability — by refund, exchange, or sale. Which states, through which mechanisms, and what a 'refundable' credit is actually worth after the haircuts.
Brief · Working · 3 min
Colorado R&D tax credit: 3%, and only inside an enterprise zone
Colorado's research credit is a 3% incremental credit available only for research conducted within a designated enterprise zone — small rate, geographic gate, pre-certification required, and usage metered over multiple years.
Brief · Working · 3 min
Arizona R&D tax credit: 24% headline, partial refunds for small companies
Arizona pays 24% on the first tier of incremental in-state QREs and 15% above it — among the highest state rates — with a partial-refundability path for qualifying small companies through an application-based program with an annual cap.
Brief · Working · 3 min
Wisconsin's R&D credit: federal math at state rates, with a partial refund
Wisconsin computes its research credit directly off the federal framework — 5.75% of qualified research expenses over half the prior-three-year average, with higher rates for certain engine and energy-efficiency research — and refunds a portion of unused credit.
Brief · Working · 3 min
Georgia R&D tax credit: 10% over a base ratio, payable from payroll withholding
Georgia's research credit is 10% of the increase in qualified in-state research spending over a base ratio tied to gross receipts — with the state's signature feature: excess credit can offset payroll withholding, giving loss companies a cash path.
Brief · Working · 3 min
Ohio R&D tax credit: 7% against the CAT
Ohio's research credit is 7% of incremental in-state QREs claimed against the commercial activity tax rather than an income tax — a gross-receipts-tax credit that works in loss years, with a seven-year carryforward.
Brief · Working · 3 min
Utah's R&D credit: three components, one with no carryforward
Utah pays 5% on incremental qualified research expenses, 5% on payments to qualified research organizations, and 7.5% of current-year qualified research expenses — but the 7.5% component must be used in the year earned, with no carryforward.
Brief · Working · 3 min
Minnesota R&D tax credit: 10% then 4%, with a refundability history
Minnesota's research credit pays 10% on the first tier of incremental in-state QREs and 4% above it, using federal Section 41 definitions. The first tier has a partial-refundability history for small claimants — a feature the Legislature has toggled, so verify current status.
Brief · Working · 3 min
South Carolina's R&D credit: a flat 5% on total spending, half your liability at a time
South Carolina pays 5% of qualified research expenditures — total, not incremental — capped at 50% of the year's tax liability after other credits, with a 10-year carryforward. Simple to compute, slow to absorb.
Brief · Working · 3 min
Texas R&D incentive: franchise-tax credit or sales-tax exemption — pick one
Texas offers an election between a franchise-tax research credit (5%, or 6.25% for university-partnered research) and a sales and use tax exemption on qualifying research equipment — an annual choice with a statutory sunset hovering over the whole regime.
Brief · Working · 3 min
Rhode Island's R&D credit: the highest headline rate, with strings
Rhode Island pays 22.5% on the first tranche of incremental in-state research expenses and 16.9% above it — the steepest rates of any state credit — but caps annual use against liability and offers no refund, so the headline overstates the cash.
Brief · Working · 4 min
North Carolina's R&D credit: repealed, with carryforwards still walking around
North Carolina's general research and development credit expired for tax years beginning in 2016 and has not been revived. What remains: old carryforwards still usable within their statutory life, and the federal credit for research performed in the state.
Brief · Working · 3 min
Massachusetts R&D tax credit: two rates, its own mechanics, permanent
Massachusetts offers a permanent research credit — 10% on the incremental computation and 15% for basic research payments, with an alternative simplified-style election — subject to distinctive liability limitations and an unlimited carryforward for amounts blocked by the 75% rule.
Brief · Working · 3 min
New Mexico's technology jobs and R&D credit: partially refundable, better in the country
New Mexico's Technology Jobs and Research and Development Tax Credit pays a basic credit on qualified expenditures — doubled for rural facilities — plus an additional credit tied to payroll growth, with partial refundability for small businesses.
Brief · Working · 3 min
Illinois R&D tax credit: 6.5% on the increment
Illinois offers a 6.5% credit on qualified research expenses above a base of prior in-state spending — modest rate, federal definitions, self-serve filing, and a statutory sunset that the General Assembly has repeatedly extended.
Brief · Working · 3 min
Maryland's R&D credit: an annual pool, an application, and a small-company refund
Maryland's research and development credit runs on an application to the Department of Commerce against a fixed annual pool, with basic and growth components in its historical design and refundability for small businesses. Miss the deadline, lose the year.
Brief · Working · 4 min
Pennsylvania R&D tax credit: apply, get awarded, or sell it
Pennsylvania's research credit is application-based — 10% (20% for small businesses) of incremental in-state QREs, awarded from a capped annual pool, and unusually, sellable to other taxpayers if you cannot use it.
Brief · Working · 4 min
New Jersey R&D tax credit: the clean federal piggyback
New Jersey's research credit is 10% tied directly to the federal Section 41 computation for New Jersey research — one of the lowest-friction state credits to add to a federal claim, with a long carryforward and corporation-tax-only reach.
Brief · Working · 3 min
Louisiana's R&D credit: rates that rise as headcount falls
Louisiana tiers its research credit by employer size — historically 30% for companies under 50 employees, stepping down to 10% and 5% for larger firms — and requires an application through Louisiana Economic Development before anything reaches the return.
Brief · Working · 4 min
New York R&D incentives: programs, not a Section 41 analog
New York delivers research incentives through the Excelsior Jobs Program and life-sciences credits rather than a standalone Section 41-style credit — certification-based, refundable for participants, and on an economic-development calendar, not a tax-return one.
Brief · Working · 4 min
Iowa's research activities credit: refundable, and among the most generous
Iowa's research activities credit is refundable — loss companies get cash — with a supplemental credit available through state economic development programs. Recent legislation has tightened eligibility and trimmed refundability, so verify current law.
Brief · Working · 3 min
Indiana's research expense credit: 15% on the first million of growth
Indiana pays 15% on the first $1 million of incremental in-state qualified research expenses and 10% above that, nonrefundable with a 10-year carryforward. A straightforward, generous credit for companies growing research in the state.
Brief · Working · 3 min
California R&D tax credit: 15%, incremental, and forever
California offers a 15% incremental research credit with an indefinite carryforward, no carryback, and no ASC analog — computed on a regular-method-style base and examined closely by the Franchise Tax Board.
Brief · Working · 3 min
Virginia's two-tier R&D credit: a refundable minor tier and a capped major tier
Virginia splits its research credit in two: a refundable credit for smaller R&D budgets, and a nonrefundable major credit for companies spending over $5 million. Both are application-based with annual statewide caps and a hard deadline.
Brief · Working · 4 min
Connecticut's R&D credits: two computations and a cash-out for small companies
Connecticut offers both a non-incremental and an incremental research credit against the corporation business tax, with annual usage limits — and lets qualifying small companies exchange unused credits for cash at 65 cents on the dollar.
Pro details
1 piecesSpecialist nuance: edge cases, interactions, and planning.