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.
Guide · Pro · 8 min
Multistate R&D credit strategy: claiming across state lines
How to layer state research credits on a federal Section 41 claim across several states: sourcing QREs by state of performance, handling conformity differences, sequencing compliance, managing 280C addback interactions, and deciding when a state credit is not worth the fee.
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 · Working · 3 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 · 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offer no research credit — some because they have no income tax to credit against, others simply never enacted one or repealed it.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.
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 · 3 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 · 3 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 · 3 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 · 3 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 · 3 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 · 3 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.