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USCIS Form N-400 naturalization filing fee (ballpark) cost in Maine

Statewide range: $621 – $1,126 (filing)

National: $640 – $1,160 · 3% below the U.S. average · RPP 97.0 · Sales tax ~5.50% by state

Per filing

$621 – $1,126

Local range · ME

$621 – $1,126

Adjusted with BEA RPP (97.05). Planning estimate only — not a bid.

Approximate planning estimate only — not a bid or quote. Materials, access, codes, and local labor vary widely. Verify with licensed local providers.

National low / average / high from the factory factor pack, times this state’s BEA all-items RPP when available. Sales tax is listed separately because material vs labor mix varies by job. For a ZIP inside Maine, type it above or open the national uscis form n-400 naturalization filing fee (ballpark) guide. Compare wages on Maine salaries.

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National uscis form n-400 naturalization filing fee (ballpark) guide →

USCIS Form N-400 naturalization filing fee (ballpark) costs in Maine ZIP codes

04401Bangor city04240Lewiston city04103Portland city04901Waterville city04106South Portland city04330Augusta city04005Biddeford city04210Auburn city04074Oak Hill CDP04011Brunswick CDP04072Saco city04092Westbrook city

All Maine ZIP codes →

USCIS Form N-400 naturalization filing fee (ballpark) cost by state

Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming

Frequently asked questions

What does uscis form n-400 naturalization filing fee (ballpark) cost in Maine?
The statewide planning range is $621 – $1,126 per filing (3% below the U.S. average). Enter a ZIP below to refine with local RPP.
How is the statewide figure different from a ZIP figure?
The state page uses that state’s all-items RPP. A five-digit ZIP can pick a tighter local index when one exists. Both are research bands, not bids.
Is this a quote I can hire against?
No. It is a ballpark for research. Get written bids from licensed local providers before you spend.