Getting your deposit back in Warren County, NJ: the courthouse, the boards, and who helps
You do not need a lawyer to sue for a deposit here. On the county's median rent, a full-deposit case lands in Small Claims at the Belvidere courthouse - but that depends on your deposit, not the median, and the check below settles it. The rules behind it are the state's, not the county's: New Jersey law governs the deposit in all 22 municipalities, for the 11,319 households that rent here. What is local is everything around the rule: which courthouse hears the case, which towns keep a rent board, where the landlord is registered, and who will help for free.
Where you stand
Your deadline, your numbers, and why no Warren County ordinance changes either.
Has your landlord missed the 30-day deadline?
Two fields, ten seconds - the math follows N.J.S.A. 46:8-21.1, the same statute in every Warren County town. Add your deposit to see what you can demand and which Belvidere track the doubled claim lands on.
The rules themselves: 30 days, doubled, one and a half months
These rules come from New Jersey state law, not from the county. We checked the published code of all 22 Warren County municipalities against the state's 2026 survey: not one has a deposit ordinance of its own, so a landlord who tells you it works differently in Belvidere, Lopatcong or Phillipsburg is wrong.
The Rent Security Deposit Act, N.J.S.A. 46:8-19 to 46:8-26, reads the same in every Warren County town. The New Jersey page has the full text and the case law; this is the short version.
- 30 days
- to return it after you move out
- 2x
- what a court awards on money wrongfully kept
- 1.5 months
- the most any NJ landlord may collect
The clock starts the day the tenancy ends - usually the day the keys go back - and runs 30 days, five business days if fire, flood or condemnation put you out. Miss it, or keep money without an itemized reason, and the court doubles what was withheld: "shall", not "may", with costs on top. The same doubling applies at the Belvidere courthouse as anywhere in the state. The statute in full, the exemptions and the case law are on the New Jersey page.
What a deposit dispute looks like in Warren County, in numbers
- $1,409
- median monthly rent
- $2,114
- the most a landlord may hold on it
- 11,319
- renter households - 25% of the county
The median Warren County renter pays $1,409 a month, so the deposit on a median unit tops out at $2,114 - one and a half months is the state cap. If a landlord keeps all of it past the 30 days, the claim is that amount doubled, $4,227, which stays under the $5,000 Small Claims line: a typical full-deposit case in this county is a Small Claims filing, on the short form with the $35 fee. Only a deposit above $2,500 doubles past it into the Special Civil Part.
Rent boards exist in 2 of the 22 municipalities
Rent control is the one landlord-tenant rule New Jersey towns set locally, and 2 towns in Warren County keep a board. None of it touches deposits - the cap and the 30 days are the state's everywhere - but a board knows its local landlords, which is worth a call when a management company has gone quiet.
The 2 Warren County boards, and the towns without one
| Municipality | Covers | Annual limit | Board |
|---|---|---|---|
| Lopatcong | buildings of 3 or more units | 3% 2.8% if tenant provides their own heat or pays cost of fuel. | Rent Leveling Board (908) 859-3355 ext. 221 |
| Phillipsburg | every rental unit | Annual increase in CPI- Northeast multiplied by 1.1 percent. Waiver permitted one per year based on a documented need to make capital repairs to one or more units, or the common area of the property, or for documented extraordinary annual increases in utility or property insurance costs At vacation of unit: No more than 10% or 15% with documented need for making capital improvements | Rent Control Board |
No rent control: Allamuchy, Alpha, Belvidere, Blairstown, Franklin, Frelinghuysen, Greenwich, Hackettstown, Hardwick, Harmony, Hope, Independence, Knowlton, Liberty, Mansfield, Oxford, Pohatcong, Washington Borough, Washington Township, White. In those towns the rent is whatever the lease says, and the deposit is still capped at one and a half months of it.
The courthouse, and how you file
The Belvidere window, the form your claim needs, and what it costs here.
Where a Warren County deposit case is filed
Deposit lawsuits go to the Special Civil Part of the Superior Court, which sits by county. You file in the county where the landlord lives or does business - not where you live - and if the landlord is out of state, in the county where the rental is. A Belvidere tenant whose landlord runs the building from the next county over files there; a Belvidere tenant with a Belvidere landlord files here. The Special Civil Part window is in the Warren County Courthouse. Warren shares a vicinage with Somerset and Hunterdon, but each county keeps its own Special Civil Part office - file at the Warren one.
- The courthouse
- Warren County Courthouse
Special Civil Part (Small Claims Section)
413 Second Street (mail: PO Box 900), Belvidere, NJ 07823 - Phone and hours
- 908-750-8100 ext. 13910
Mon - Fri: 8:30 a.m. - 4:30 p.m. - Small Claims Section
- Claims up to $5,000. Filing fee $35, plus $5 for each additional defendant.
- Special Civil Part
- Claims up to $20,000. Filing fee $50 to $75.
The Belvidere office in practice
Checked on September 4, 2026 against the court's own pages. Rooms, hours and phone extensions change without notice - confirm with the office before you rely on any line below.
- Special Civil Part / Small Claims line - the courthouse number above
- 908-332-7700 ext. 13910
- Mediation and arbitration
- 908-332-7700 ext. 13870
Free help inside the courthouse. The vicinage's Court User Resource Center - Somerset County Courthouse, 20 North Bridge Street, 5th Floor, Somerville, NJ 08876, 908-332-7700 ext. 13240, [email protected] - explains forms and procedure to people without a lawyer, Monday through Friday, 8:30 am to 4:30 pm. Contact the ombudsman for appointments in Hunterdon and Warren counties. Staff cannot give legal advice, but they can tell you which form, which window, and what is missing from your file before you pay the fee.
Settling before the judge. On the hearing date the court sends both sides to a settlement conference first; many deposit cases end there with a payment plan.
Filing here: the Warren County layer
The procedure is the state's - what is local is the window you hand it to. Filing to judgment in New Jersey, in four steps has the sequence, the exhibit stack and the hearing itself. Here is the Warren County layer.
- Before you file
- Send the demand letter by certified mail first, citing N.J.S.A. 46:8-21.1 and the 30-day deadline, and give it 10 to 14 days. A judge will ask whether the landlord had a chance to pay, and the letter becomes your first exhibit.
- Your form
- Up to $5,000 it is the Small Claims kit; above that the Special Civil Part complaint. Enter your deposit in the check at the top and this page names your form.
- Where to hand it in
- The Special Civil Part window, 413 Second Street (mail: PO Box 900), Belvidere, NJ 07823 - in person during court hours, by mail to the same address, or online through JEDS. One copy of the complaint per defendant.
- What it costs here
- $35, plus $5 for each additional defendant in Small Claims, $50 to $75 in the Special Civil Part. A fee waiver is available if you cannot afford it - ask the clerk for the form when you file.
The Belvidere office at 908-750-8100 ext. 13910 can tell you the current wait - count on two to three months from filing to a hearing date in most vicinages.
The forms, from the court itself
Looking things up, and getting help
The landlord's legal name and address, which of 22 Warren County clerks holds it, and who helps for free.
Finding the landlord's mailing address
A demand letter needs an address, and the one on the lease is often a management office that has since moved. Under New Jersey's Landlord Identity Law your landlord had to register the owner's name and address - with the municipal clerk for one- and two-unit buildings, with the state for anything larger - and the clerk's copy is public. The lookup below has the clerk for every one of Warren County's 22 municipalities.
3 Warren County cities run their own rental registries on top of the state filing - an inspection or licensing office that holds the current owner and managing agent for every registered rental. Where your building is in one of them, that office is usually quicker than the clerk.
- Phillipsburg · Registration for Licensing Rental Property (Phillipsburg Code Chapter 464) and annual Certificate of Habitability (Office of Inspections (Inspections/Building Department), 120 Filmore Street, Phillipsburg, NJ 08865) · 908-454-5500 ext. 341 or 346
The annual registration statement ($100 per unit, due May 1) records the business name, owner full name, owner address, phone, cell and email, and the managing agent's name and address; the Certificate of Habitability is renewed yearly. Not stated; email [email protected] or phone (Mon-Fri 8-4), or OPRA to the Town Clerk (an OPRAmachine request on rental properties/certificates of habitability exists).
- Hackettstown · Landlord Registration / Rental Property Registration and licence (municipal ordinance) (Landlord Registration office, 215 W Stiger St., Hackettstown, NJ 07840 (Mary Matusewicz)) · 908-852-3130 ext. 143
Every residential rental must be registered and licensed with the Town (Landlord Rental Property Registration Application and Landlord Dwelling Unit Application, with liability insurance proof) before it is rented; the owner fields on the applications were not shown on the fetched page. Not stated; email [email protected] or phone, or OPRA to the Town Clerk.
- Belvidere · Residential Rental Property Registration (annual statement due January 1) (Municipal Clerk, Belvidere Town Hall, 691 Water Street, Belvidere, NJ 07823) · (908) 475-5331
The annual statement records the name, address and telephone number of the record owner(s) and of the rental business owner if different, the fuel dealer, and authorized occupant counts; the Clerk provides copies to applicable local agencies. Not stated; Clerk's office hours Mon-Fri 9am-4:30pm, or OPRA request to the Municipal Clerk.
Where the landlord's registration is filed: the municipal clerk
New Jersey's Landlord Identity Law makes every landlord file a registration statement - the owner's legal name and address, and the managing agent's - and for one- and two-unit buildings it is filed with the clerk of the municipality the rental is in (larger buildings register with the state Department of Community Affairs). The clerk's copy is a public record. Pick your town for the office that holds it.
All 22 municipal clerks in Warren County
| Municipality | Clerk's office | Phone |
|---|---|---|
| Allamuchy Township | 292 Alphano Road, Allamuchy, NJ 07820 | (908) 852-5132 |
| Alpha Borough | 1001 East Boulevard, Alpha, NJ 08865 | (908) 454-0088 |
| Belvidere Town | 691 Water Street, Belvidere, NJ 07823 | (908) 475-5331 |
| Blairstown Township | 106 Route 94, Blairstown, NJ 07825 | (908) 362-6663 |
| Franklin Township | 2093 Route 57, Broadway, NJ 08808-0547 | (908) 689-3994 |
| Frelinghuysen Township | 210 Main Street, Johnsonburg, NJ 07825 | (908) 852-4121 |
| Greenwich Township | 321 Greenwich Street, Stewartsville, NJ 08886 | (908) 859-0909 |
| Hackettstown Town | 215 Stiger Street, Hackettstown, NJ 07840 | (908) 852-3130 |
| Hardwick Township | 40 Spring Valley Road, Hardwick, NJ 07825 | (908) 362-6528 |
| Harmony Township | 3003 Belvidere Road, Phillipsburg, NJ 08865 | (908) 213-1600 |
| Hope Township | 407 Hope-Great Meadows Road, P.O. Box 284, Hope, NJ 07844 | (908) 459-5011 |
| Independence Township | 286-B Route 46, P.O. Box 164, Great Meadows, NJ 07838 | (908) 637-4133 |
| Knowlton Township | 628 Route 94, Columbia, NJ 07832 | (908) 496-4816 |
| Liberty Township | 349 Mountain Lake Road, Great Meadows, NJ 07838-9727 | (908) 637-4579 |
| Lopatcong Township | Municipal Building, 232 South Third Street, Morris Park, Phillipsburg, NJ 08865 | (908) 859-3355 |
| Mansfield Township | 100 Port Murray Road, Port Murray, NJ 07865 | (908) 689-6151 |
| Oxford Township | 11 Green Street, Oxford, NJ 07863 | (908) 453-3098 |
| Phillipsburg Town | 120 Fillmore St., Phillipsburg, NJ 08865 | (908) 454-5500 |
| Pohatcong Township | 50 Municipal Drive, Phillipsburg, NJ 08865 | (908) 454-6121 |
| Washington Borough | 100 Belvidere Avenue, Washington, NJ 07882-1426 | (908) 689-3600 |
| Washington Township | 211 State Route 31 North, Washington, NJ 07882 | (908) 689-7200 |
| White Township | 555 CR 519, Belvidere, NJ 07823 | (908) 475-2093 |
List from the county's own directory, checked September 4, 2026.
Free help in Warren County
- Legal Services of Northwest Jersey (LSNWJ) - Warren County office · (908) 475-2010
91 Front Street, Belvidere, NJ 07823. Free civil legal help for lower-income residents, including tenant matters.
- Volunteer Lawyers for Justice · 973-645-1955
Statewide pro bono program that helps tenants draft deposit demand letters and prepare pro se complaints against landlords who kept a deposit.
- Legal Services of New Jersey hotline · 1-888-576-5529
Statewide intake line for free legal help, 1-888-LSNJ-LAW.
If it goes wrong
What losing costs, whether they can retaliate, and how a Warren County judgment is actually collected.
Before you file: the three things people worry about
- What if I lose?
- You are out the filing fee and the time. You are the one suing, so losing leaves you where you started and puts no eviction on your record. What losing actually costs - and the one point most failed claims turn on - is on the New Jersey suing page.
- Can the landlord retaliate?
- After a move-out, barely - the tenancy is over and you are the plaintiff. If you still rent from them, New Jersey bars reprisals for exercising a legal right. The full answer is on the New Jersey suing page; in Warren County the ombudsman at the Warren County Courthouse and Legal Services of Northwest Jersey (LSNWJ) - Warren County office both take the question in person, for free.
- If I win, how do I get paid?
- The court does not collect for you - a judgment is an instrument you enforce, and judgments against landlords are unusually collectable. Collecting your judgment walks through levy, garnishment and liens. The writ is issued by the Vicinage 13 (Somerset/Hunterdon/Warren) clerk at the same Belvidere window you filed at.
Build your case
The case builder runs on New Jersey law, which is exactly the law that applies here. It checks the 30-day deadline against your move-out date, grades each deduction, and writes the demand letter with the statute cited - the letter that becomes Exhibit A at the Belvidere courthouse if it comes to that.
Build your case →Sources
- NJ Department of Community Affairs, 2026 Rent Control Survey (all 564 municipalities)
- Superior Court of New Jersey, Vicinage 13 (Somerset/Hunterdon/Warren)
- Superior Court of New Jersey, Vicinage 13 (Somerset/Hunterdon/Warren)
- Superior Court of New Jersey, Vicinage 13 (Somerset/Hunterdon/Warren) - NJ Judiciary brochure: Warren County Courthouse, 413 2nd St., P.O. Box 900, Belvidere 07823, 908-750-8100
- Superior Court of New Jersey, Vicinage 13 (Somerset/Hunterdon/Warren) - njcourts Special Civil directory mirror: PO Box 900, Belvidere 07823
- NJ Courts, Somerset/Hunterdon/Warren vicinage - offices and ombudsman pages
- NJ Courts, Lawsuits $5,000 or less (Small Claims)
- Legal Services of Northwest Jersey (LSNWJ) - Warren County office
- Legal Services of Northwest Jersey (LSNWJ) - Warren County office - Warren County - LSNWJ, 91 Front Street, Belvidere 07823-1437, 908-475-2010
- U.S. Census Bureau, American Community Survey 2024 5-year, tables B25064 and B25003 (via Census Reporter)
- Rent Security Deposit Act, N.J.S.A. 46:8-19 to 46:8-26 (official text)
Court, board and legal-aid details checked on September 4, 2026. Phone numbers and fees change; confirm with the office before you rely on one. Not reviewed by a licensed attorney, and not legal advice.