The moment your flight lands, a clock starts on dozens of financial and administrative deadlines — and missing even one can cost you thousands of dollars or delay your ability to rent, borrow, or work. This practical checklist organises everything a foreign national or immigrant needs to accomplish in their first 90 days in the US, structured by week so you know what to tackle and in what order. Read it before you arrive if you can; use it as a running reference once you're on the ground.
Why This Matters Especially in 2026
The administrative landscape facing new arrivals has shifted meaningfully in recent years. Several trends make getting the first 90 days right more consequential than ever:
- Fintech disruption has created faster on-ramps — and more confusion. Challenger banks can open accounts in days using only a passport, but their products sometimes lack the features needed to build a credit history or receive payroll.
- IRS cross-border reporting requirements are more tightly enforced. FATCA data-sharing agreements now cover over 110 countries, meaning foreign financial institutions regularly report US-resident account holders to the IRS automatically. Ignorance of FBAR or Form 8938 obligations is not a defence.
- Rental markets in major metros remain tight. Competition for apartments in cities like New York, Austin, Miami, and Seattle means landlords have leverage — new arrivals without local credit history face steeper negotiating hurdles than ever.
- Credit scoring models are evolving but slowly. While some lenders use alternative models that incorporate rent payment history and cash-flow data, the dominant FICO system still rewards length of account history — which means the cost of starting late compounds over time.
- Employer relocation packages are less generous post-pandemic than they were in 2019–2021 for many sectors, shifting more costs and planning burden onto the individual. Our article on Relocation Packages: What Employers Actually Cover 2026 breaks down what is typically included and what you should negotiate before signing.
The checklist below is written for someone arriving on a work visa — H-1B, L-1, O-1, TN, or similar — but most of it applies equally to E-2 treaty investors, EB-5 participants, and family-sponsored green card holders.
Before You Arrive: The Pre-Landing Prep List
You do not need to wait until you land to start. The following steps can and should be completed in the weeks before your departure.
Understand your true cost of living
If you accepted an offer without doing a city-by-city comparison, do it now. A $180,000 salary in San Francisco buys a materially different lifestyle than the same number in Raleigh or Columbus. Our Cost of Living Comparison Before You Accept an Offer 2026 guide provides a structured framework for this analysis, including after-tax purchasing power, housing cost ratios, and childcare expenses.
Set up international money transfer infrastructure
Do not rely solely on your home-country debit card for the first weeks — foreign transaction fees and poor exchange rates will drain cash fast. Research transfer services before you land, so you can move a seed fund into your new US account the day it opens. See our guide on the Cheapest Ways to Move Money Between Countries 2026 for a comparison of wire services, specialist FX brokers, and multi-currency apps.
Arrange temporary housing
Book at least four to six weeks of transitional accommodation before you leave home. Do not assume you will find a permanent rental quickly. Our guide on Short-Term Rentals vs Serviced Apartments on Arrival walks through the trade-offs in detail. Serviced apartments typically offer monthly billing, utilities included, and no credit check — ideal for week one through week four.
Inform your home-country bank
Tell your existing bank you are relocating. Ask about international debit card fees, whether your account can remain open for non-residents (rules vary by country and institution), and how to update your correspondence address. You will likely need this account for months.
Week 1–2: Foundational Infrastructure
These are your highest-priority tasks. Nothing else on this list functions smoothly until these are in place.
Open a US bank account
This is your single most important week-one task. Without a US account, you cannot receive payroll, pay rent, or begin building a credit profile.
Most major banks (Chase, Bank of America, Wells Fargo) will open a basic checking account with a passport and visa stamp, a foreign address, and an employer letter. Some require proof of a US address — which creates a chicken-and-egg problem if you are still in temporary housing. Workarounds include:
- Using your employer's HR office address temporarily
- Providing your serviced apartment address (ask the front desk for a formal letter)
- Using a bank that accepts foreign addresses explicitly
Our detailed guide on Opening a Bank Account as a New Arrival in the US (2026) covers documentation requirements bank-by-bank.
Illustrative example: María, a software engineer from Mexico City who arrived in Austin on an H-1B in March 2026, brought her passport, I-94 printout, and offer letter to a Chase branch on day three. She was approved for a basic checking account without a Social Security Number. She transferred $8,000 from her BBVA Mexico account via a specialist FX service that day, paying a flat fee of $6 and getting within 0.4% of mid-market rate — versus an estimated $340 in fees had she used an ATM withdrawal over several trips.
Apply for your Social Security Number (if eligible)
If your visa category makes you eligible for an SSN — which includes most employment-based visas — apply at your local Social Security Administration office as soon as you have your I-94 arrival record. You typically need to wait at least ten days after entry before applying. An SSN is required to:
- File US tax returns
- Apply for most credit products
- Be paid via W-2 payroll correctly
- Lease many apartments
If you are not SSN-eligible, apply for an ITIN through the IRS. This requires filing Form W-7 with supporting documentation. An ITIN does not authorise work but does allow you to file taxes and open some financial accounts. Consult a CPA about which applies to your situation.
Secure permanent housing
Begin your apartment search aggressively in week one, with a view to signing a lease by the end of week three or four. Read our First-Time Renters Guide for New Arrivals in the US 2026 for a full breakdown of the leasing process. If you have no US credit history, prepare your alternative documentation package:
- Three to six months of bank statements from your home country
- Your employer's offer letter showing salary
- A reference letter from your home-country landlord
- Offer to pay a larger security deposit upfront (two to three months)
Our guide on Renting With No US Credit History: What Landlords Accept explains exactly what documentation landlords in different markets actually accept and how to frame your pitch.
Week 3–4: Financial Foundation and Compliance
Begin building your US credit history immediately
The single most common and costly mistake new arrivals make is waiting to start building credit. The FICO scoring model rewards length of credit history — so every month you delay is a month that cannot be recovered.
Your options from day one:
- Secured credit card — You deposit cash as collateral (typically $200–$500), and the bank extends a matching credit line. Use it for small recurring purchases and pay in full every month.
- Credit-builder loan — Offered by many credit unions. You make monthly payments into an account; the funds are released to you at the end. The payment history is reported to bureaus.
- Authorized user status — Ask a US-based friend, colleague, or family member to add you to their credit card as an authorised user. Their account history begins appearing on your file.
Our comprehensive guide on How to Build a Credit File From Nothing in a New Country covers all three routes with timelines and credit bureau mechanics.
Understand your tax position from day one
This is where many foreign nationals make expensive errors. Consult a CPA who specialises in international tax within your first 30 days — not April of next year. Key questions to resolve immediately:
- Does your home country have a tax treaty with the US, and does it affect your withholding rate or which types of income are protected?
- On what date did your US tax residency begin? (This affects whether you file as a resident or non-resident for the partial year.)
- Do you have foreign bank accounts above $10,000 aggregate? You may have FBAR and FATCA obligations already.
Our article on Tax Residency Explained When You Move Mid-Year (2026) provides a thorough non-technical overview of the Substantial Presence Test and its practical implications. For foreign account reporting obligations specifically, see Reporting Foreign Accounts: What You Must Declare (2026).
Important: Tax determinations and filing strategies turn on individual facts. Nothing here constitutes tax advice — always work with a licensed CPA for your specific situation.
Register your vehicle or arrange transportation
If you are driving, research your state's DMV requirements for transferring a foreign licence. Most states give new arrivals 30–60 days to obtain a local licence. Requirements and reciprocity agreements vary significantly by state and by your country of origin.
Week 5–8: Settling In and Longer-Term Planning
Get health insurance sorted
If your employer provides coverage, enroll during your new-hire window — missing it typically means waiting until the next open enrollment period. If you are self-employed, on an L-1 intra-company transfer without employer coverage, or on a dependent visa, you will need to source coverage through the ACA Marketplace or a private broker.
Do not go without coverage in the US. A single emergency room visit without insurance can generate a bill in the tens of thousands of dollars.
Set up your multi-currency financial architecture
Once your US account is running and payroll is flowing, consider how to manage money across borders efficiently. If you will be sending money home regularly — to support family, service a foreign mortgage, or invest — a multi-currency account can dramatically reduce fees and exchange rate drag. See our Multi-Currency Accounts Compared for Expats 2026 for a detailed comparison of platforms that serve the US-based international community.
Start exploring investment accounts
Once you have three to six months of emergency savings established in your US account, you may want to begin investing. The rules for new arrivals are nuanced: as a resident alien you have broad access to US brokerage accounts, but as a non-resident alien (or during the period before you cross the Substantial Presence Test threshold) your options are more restricted. Our Best Brokerage Accounts for Non-Resident Aliens 2026 guide explains which platforms accept international clients and what withholding tax implications to expect.
Week 9–12: Consolidation and Forward Planning
Review your progress against this comparison table
| Priority Area | Minimum Acceptable by Day 90 | Ideal State by Day 90 |
|---|---|---|
| US Bank Account | Checking account open, payroll deposited | Checking + savings + credit card applied |
| Social Security / ITIN | Application submitted | Number received |
| Housing | Permanent lease signed | Lease signed, renter's insurance active |
| Credit History | At least one account reporting | Two accounts reporting, on-time payment history started |
| Tax Compliance | CPA engaged, residency date confirmed | CPA engaged, FBAR obligation assessed, W-4 withholding reviewed |
| International Transfers | Transfer service account open | Standing arrangement set up for regular remittances |
| Health Insurance | Coverage active | Coverage active, dental and vision reviewed |
| Emergency Fund | One month of expenses | Three months of expenses |
Assess your housing trajectory
If your current market and income position make homeownership a realistic medium-term goal, begin educating yourself on the path now. Foreign nationals can buy property in the US — but with a thin credit file, the financing options differ. See How Immigrants Can Buy a House in the US (2026 Guide) for the full ownership picture, and Getting a Mortgage With a Thin Credit File: 2026 Guide for financing specifics.
Evaluate your long-term status options
If you arrived on a temporary work visa, begin thinking about your longer-term immigration pathway now — not in year three when your visa is expiring. Some employer-sponsored green card categories have multi-year queues. Consult a licensed immigration attorney for personalised pathway advice; this publication cannot predict outcomes or advise on visa eligibility. What we can note is that financial preparation (credit building, asset documentation, tax compliance) supports every immigration pathway you might pursue.
The 7 Most Common Mistakes — and How to Fix Them
1. Delaying the bank account opening
Mistake: Assuming the process is quick and leaving it for week two or three. Solution: Walk into a branch on day one or two with your full document package. Being unable to receive payroll while you wait is expensive and stressful.
2. Ignoring US credit building for the first year
Mistake: Using a home-country credit card for everything and never applying for a US credit product. Solution: Open a secured card within the first 30 days. Set a $20–$30 recurring charge on it (a streaming subscription, for example) and pay it in full automatically. This costs nothing and generates twelve months of payment history by year-end.
3. Not consulting a CPA about mid-year tax residency
Mistake: Assuming you will figure out the tax situation when April approaches. Solution: Engage an international tax CPA within the first 30 days. The decisions made in your first partial year — filing as resident versus non-resident, whether to make a First-Year Choice election — cannot be retroactively corrected without difficulty. Costs range from $300–$800 for an initial consultation; the savings can be multiples of that.
4. Using bank wire transfers for all international money movement
Mistake: Sending $5,000 home via a bank wire and paying $45 in fees plus a 2.5% exchange rate spread. Solution: Use a specialist transfer service. On a $5,000 transfer, a good FX provider might cost $6–$15 versus $160–$170 total at a typical bank — a saving of $145–$160 on a single transfer. Over twelve months of regular transfers, this compounds substantially.
Illustrative example: James, a construction project manager from the UK working in Houston on a TN visa in 2026, sent $2,000 home to his wife every month. Switching from his US bank's international wire to a specialist provider saved him approximately $95 per transfer — $1,140 over a year — with the money typically arriving within one business day rather than three to five.
5. Accepting the first rental offer without negotiating
Mistake: Being so relieved to find a landlord willing to rent to someone without a US credit history that you accept unfavourable terms. Solution: Prepare a comprehensive documentation package (see Week 3–4 above) and present it confidently. A landlord who sees bank statements showing $40,000 in savings and an offer letter for a $140,000 salary has little credit risk — articulate that clearly and negotiate the deposit amount.
6. Not declaring foreign accounts
Mistake: Assuming that because the money is overseas and was earned before you arrived in the US, you do not need to report it. Solution: Once you become a US tax resident, aggregate foreign account balances above $10,000 must be reported via FBAR (FinCEN 114), and larger balances trigger additional FATCA reporting on Form 8938. The penalties for wilful non-filing are severe. Consult a CPA promptly — the process is administrative, not punitive, if you comply proactively.
7. Signing a long lease before understanding the neighbourhood or commute
Mistake: Rushing into a twelve-month lease in week one because you are anxious about temporary housing costs. Solution: Book a serviced apartment for four to six weeks and use that time to explore neighbourhoods, test commutes, and view properties without pressure. The nightly premium over an annual lease is usually worth the insurance value of making the right long-term choice.
Illustrative 90-Day Financial Snapshot
The following figures are illustrative only and based on a hypothetical scenario. They are not representative of any specific individual's experience or a promise of outcomes.
Scenario: Priya, a data scientist from India, arrives in Seattle on an H-1B in January 2026 with a $165,000 annual salary, $15,000 in savings held in an Indian bank account, and no US credit history.
| Item | Cost / Action | Notes |
|---|---|---|
| Serviced apartment (6 weeks) | ~$4,200 | $100/night, week 1–6 |
| International transfer (seed fund) | $14,600 transferred, $22 fee | Specialist FX service, 0.15% fee |
| Secured credit card deposit | $500 | Refundable; generates credit history |
| CPA consultation (tax) | $450 | International assignee specialist |
| Security deposit (new apartment) | $4,400 | Two months' rent at $2,200/month |
| First month's rent | $2,200 | Begins week 7 |
| Renter's insurance | $18/month | Started on lease signing |
| Total cash deployed, days 1–90 | ~$21,790 | Excludes living expenses and payroll received |
By day 90, Priya has a US checking account receiving biweekly payroll, a secured credit card with two months of on-time payment history, a CPA who has assessed her FBAR obligations and confirmed her US tax residency start date, and a signed lease. Her foreign account remains open for family obligations in India. She has begun researching whether her employer will sponsor a green card and has bookmarked our How to Compare Residency Routes by Cost and Timeline guide for a future read.
A Note on Jurisdiction: This Checklist Is US-Focused
This checklist is written primarily for arrivals in the United States. If you are relocating to another country and found this article, note that we have destination-specific guides for other markets, including Relocating to Melbourne on a Tech Salary: 2026 Guide.
If you are still at the stage of deciding where to relocate and evaluating employer-sponsored opportunities, our article on Care & Support Roles That Sponsor Overseas Workers 2026 covers one of the fastest-growing sponsoring sectors for internationally mobile workers.
Summary: Your 90-Day Priority Stack
Getting your first 90 days right is less about doing everything and more about doing the right things in the right order. The sequence matters because later tasks (credit card approval, apartment lease, investment account) depend on earlier ones (bank account, SSN, tax CPA). Here is the priority stack condensed:
- Days 1–3: Bank account, employer HR registration, temporary housing confirmed
- Days 4–10: SSN application submitted, international transfer infrastructure live
- Days 11–30: CPA engaged for tax residency assessment, permanent housing search active, secured credit card applied
- Days 31–60: Permanent lease signed, health insurance active, FBAR obligation assessed with CPA, multi-currency transfer routine established
- Days 61–90: Emergency fund building, investment account research, credit progress reviewed, longer-term housing and immigration pathway planning begun
The administrative burden of the first 90 days is real, but it is finite. Every item completed removes a source of financial risk and opens a door to the next stage of your life in the US. Use this checklist, engage the right professionals early, and give yourself the foundation you need to build on.
This article provides general financial and practical information for educational purposes. It does not constitute tax advice, legal advice, or immigration advice. Tax and immigration decisions depend on individual facts and applicable law — always consult a licensed CPA and a qualified immigration attorney for guidance specific to your situation.