Rockville Property Tax: 2026 Rates, Savings & Online Tools

Rockville Property Tax rates for 2026 sit at $0.292 per $100 of assessed value, reflecting Montgomery County property tax trends and the latest SDAT assessment data. Homeowners can check the Rockville property tax calculator online via the SDAT portal to estimate bills before the 2026 Rockville property tax due date on October 1. Eligibility for Rockville property tax exemption includes senior citizen credits, veteran benefits, and energy‑efficiency tax credits, all documented on the Rockville tax bill explanation guide. For questions, call the Montgomery County Treasurer at (240) 314‑4510 or email sdat.mont@maryland.gov.

Rockville Property Tax appeal process steps require filing a grievance within 45 days of the assessment notice due date, using the Rockville tax forms PDF download available on the official website. Delinquent accounts incur penalties calculated on the unpaid balance, while refunds follow the Rockville property tax refund procedure after verification of overpayment. Residents seeking relief can explore Rockville property tax relief programs for seniors or lien filing information through the Montgomery County Circuit Court land records portal. All online services, including Rockville online tax portal login, are secured through the Maryland Department of Assessments and Taxation’s real‑property search link.

Search Rockville City Property Tax

Rockville City property tax records are managed by the Maryland Department of Assessments and Taxation (SDAT), with billing and collection handled by Montgomery County. The SDAT Real Property Data Search portal allows residents to look up assessment values, tax charges, payment status, and exemption eligibility. Searches can be performed by property address, owner name, or account identification number, and the results include both real property and personal property records.

1. Visit the SDAT Real Property Data Search portal
2. Choose a search option: Street Address, Account Number, or Property Owner Name
3. Type the property details into the search field
4. Click Search to display the full assessment record
5. Review assessed value, tax amount, exemptions, and payment history
6. Print or save the record for tax planning or appeal purposes

Land records such as deeds, mortgages, and liens are filed with the Montgomery County Circuit Court Land Records Department. Property owners can search for recorded instruments by name, document type, or recorded date range through the official county land records system.

Current Tax Rates and Assessment Structure

Rockville property tax bills combine separate levies: the City of Rockville rate, the Montgomery County rate, and a State of Maryland rate. Each taxing authority sets its own rate, and the combined rate determines the total annual bill. SDAT handles property assessment, while individual counties and municipalities set their own tax rates. The City of Rockville’s real property tax rate is $0.292 per $100 of assessed valuation, and Montgomery County’s proposed FY27 rate is $0.6742 per $100 of assessed valuation, effective July 1, 2026. Rates are revised annually and can be reviewed on SDAT’s website.

Real property tax bills in Rockville are calculated by multiplying the phased-in assessed value by the combined tax rate. Effective every July 1st, the rate will change based on changes in the property assessment and debt service requirements. Personal property tax applies to business-owned equipment, vehicles, and inventory, and rates are set by SDAT and the local jurisdictions.

Real Property Assessment Process

The Maryland Department of Assessments and Taxation assigns each Rockville property an assessed value based on market analysis. Appraisers review recent sales of comparable properties, physical characteristics, and location factors. The assessed value represents the fair market value as of the date of valuation, not the original purchase price or current loan amount.

• Group 1 properties are reassessed every three years on a rotating schedule
• New construction receives a separate assessment upon completion
• Property improvements trigger reassessment in the next cycle
• Assessment notices are mailed to property owners before the appeal window opens

How Assessments Affect Tax Bills

An increase in assessed value does not always lead to a proportional tax increase because of the homestead credit cap. The credit limits annual bill growth for owner-occupied properties. Rental and commercial properties do not receive the homestead credit and see the full assessment change reflected in the tax bill.

Property owners who disagree with their assessment can file an appeal with the Montgomery County Property Tax Assessment Appeal Board. The appeal must be filed within 45 days of the assessment notice mailing date. Supporting evidence includes recent comparable sales, independent appraisals, or documentation of property defects that reduce market value.

Property Tax Bill Components and Calculation

A Rockville real property tax bill contains several line items that together determine the total amount due. The largest portion is the combined real property tax levy. Additional charges may include solid waste fees, stormwater fees, and special district assessments. Each line item is itemized on the bill for transparency.

Property tax bills in Rockville are issued on a regular cycle each year. Property owners who pay through an escrow account with their mortgage lender do not receive a direct bill, as the lender pays on their behalf. Direct-bill owners must monitor mail and email for bill delivery each cycle.

Payment Methods and Deadlines

Rockville property tax payments can be submitted through several channels, including online portals, mail, and in-person drop boxes. Online payments accept electronic checks and major credit cards. Credit card transactions include a convenience fee charged by the payment processor, while electronic checks typically have no additional cost.

• Online payment through the Montgomery County tax payment portal
• Mail payment with the detachable coupon from the tax bill
• In-person payment at the Montgomery County Treasury office
• Bank bill pay service initiated by the property owner
• Automatic debit enrollment for recurring installments

Payment deadlines fall on specific dates each year printed on the bill, and late payments incur interest charges plus a penalty. Property owners should verify the exact due dates printed on their bill to avoid surprises. Bills paid after the deadline are charged interest from the original due date, not the date of receipt.

Property Tax Appeal Process

The property tax appeal process in Rockville begins when a property owner files a petition with the Montgomery County Property Tax Assessment Appeal Board. The petition must be submitted within 45 days of the assessment notice mailing date. Late petitions are generally not accepted, even if the assessment contains errors.

1. Download the appeal petition form from the SDAT forms library
2. Complete the form with property details and grounds for appeal
3. Gather supporting evidence such as comparable sales or appraisals
4. Submit the petition by mail, online, or in person before the deadline
5. Attend the scheduled hearing before the appeal board
6. Receive a written decision by mail after the hearing

Appeals decided in favor of the property owner result in a reduced assessment and a refund or credit for overpaid taxes. Denied appeals can be further appealed to the Maryland Tax Court within the time period required by Maryland law after the board’s decision. Legal representation is permitted but not required for either level of appeal.

Exemptions and Tax Credits

Rockville property owners may qualify for several exemptions and credits that reduce their annual tax obligation. The most common credit is the Homestead Tax Credit, available to owner-occupied residences. Additional exemptions target specific groups such as seniors, veterans, and disabled homeowners. Eligibility rules and income thresholds vary by program and are administered through SDAT.

Each exemption has its own eligibility rules, income thresholds, and application deadlines. Property owners who fail to apply for available credits lose the benefit for that tax year. The SDAT office processes all exemption applications, while Montgomery County Treasury applies approved credits to the annual tax bill.

Senior Citizen Property Tax Relief

Senior citizens in Rockville may qualify for several property tax relief programs that reduce their annual obligation. The Homeowners Property Tax Credit is a statewide program for low-income homeowners. The credit caps property taxes at a percentage of household income, with the State covering the difference.

• Age requirement: Established by the State program
• Income limit: Varies by household size and filing status
• Application deadline: Annual filing required
• Credit calculation: Based on relationship between tax bill and household income
• State funding: Maryland reimburses counties for approved credits

To apply, seniors complete the Homeowners Property Tax Credit application available through Maryland OneStop. The application requires documentation of income, residency, and property ownership. Approved applicants receive a credit applied directly to their annual tax bill, reducing the amount owed each cycle.

Veteran Property Tax Benefits

Veterans with service-connected disabilities may qualify for a property tax exemption on their primary residence in Rockville. The exemption applies to the dwelling and a portion of land. Surviving spouses of qualifying veterans may also receive the exemption under certain conditions.

• Disability rating: Determines the level of exemption
• Surviving spouse: May continue exemption if spouse dies while rated as disabled
• Required documentation: VA disability rating letter and DD-214
• Application: Filed with SDAT Montgomery County Office

Veteran exemptions are processed by SDAT and applied to the tax bill once approved. The exemption remains in effect as long as the veteran owns and occupies the property. Changes in disability rating or property ownership require notification to SDAT to update the exemption status.

Homestead Tax Credit

The Homestead Tax Credit protects owner-occupied homeowners from sudden large increases in property tax bills. The credit limits the annual increase in the county property tax portion of the bill to a fixed percentage each year, regardless of how much the assessed value rises. The cap is set annually by the State of Maryland.

For properties in Rockville, the homestead credit applies to the Montgomery County portion of the tax bill and the City of Rockville portion, each with its own cap rate. The cap applies uniformly across all eligible properties statewide. Property owners can verify the current cap by reviewing their assessment notice or contacting SDAT.

• Eligibility: Owner-occupied primary residence
• Cap mechanism: Limits annual tax bill increase to a fixed percentage
• Application: One-time filing with SDAT
• Transferability: Credit moves with the homeowner, not the property
• Verification: Annual review of ownership status

Homeowners who buy a property in Rockville must file the homestead credit application within the required window to begin receiving the benefit. The credit is not automatic and must be requested. Failure to apply results in the loss of the credit for all years the application is overdue.

Delinquent Taxes and Penalties

Property taxes in Rockville become delinquent if not paid by the stated due date. Interest accrues on the unpaid balance from the original due date at a rate set by Maryland law. A penalty may also be assessed on top of the interest, depending on how long the balance remains unpaid.

• Interest rate: Set annually by the State of Maryland
• Penalty structure: Increases with duration of delinquency
• Tax lien filing: County records a lien against the property
• Tax sale: Delinquent properties may be auctioned after an extended period
• Right of redemption: Owner can pay back taxes plus costs before sale

The Montgomery County Department of Finance oversees the delinquency process and initiates tax sale proceedings when accounts remain unpaid. Property owners receive multiple notices before a tax sale, including a final warning sent by certified mail. The tax sale process is administered by the County rather than SDAT.

Refund Procedures

Property owners who overpay their Rockville property taxes may request a refund from Montgomery County. Common reasons for overpayment include assessment reductions after appeal, duplicate payments, or incorrect exemptions applied to the bill. Refunds are issued after verification of the overpayment amount.

1. Confirm the overpayment amount using the SDAT property record
2. Gather documentation such as the original bill and payment receipt
3. Contact the Montgomery County Treasury office to initiate a refund request
4. Submit supporting documents by mail or through the online portal
5. Allow processing time as outlined by County Treasury policies

Refunds resulting from assessment appeals are typically processed automatically by the County after the appeal board issues its decision. Property owners do not need to file a separate refund request in that situation. Direct overpayments require a manual review and approval before funds are released.

Tax Lien Filing and Sale Process

When property taxes in Rockville remain unpaid, Montgomery County files a tax lien against the delinquent property. The lien secures the government’s claim to the unpaid amount and creates a public record of the delinquency. The lien remains attached to the property until the debt is satisfied.

If the tax debt remains unpaid for an extended period, the County may schedule a tax sale to recover the owed amount. Tax sales are public auctions held annually, with the winning bidder receiving a tax sale certificate rather than immediate ownership.

• Tax lien recorded in Montgomery County land records
• Public auction held at the County level
• Winning bidder receives a tax sale certificate
• Property owner retains right of redemption for a set period
• Foreclosure possible if redemption period expires

Property owners facing a tax sale can prevent the loss of their home by paying all back taxes, interest, penalties, and sale costs before the auction date. After the sale, a redemption period allows recovery of the property by paying the certificate holder plus interest. Legal counsel is recommended for homeowners navigating this process.

Property Tax History and Trends

Rockville property tax rates have generally trended upward over the past decade, reflecting growth in County and City budgets. Assessment values have also risen steadily, driven by strong demand in the Washington DC metropolitan housing market. Maryland property tax assessments rose by an average of 12.7% in 2026, according to SDAT. The combined effect has produced noticeable annual increases in tax bills for many homeowners.

Montgomery County reassessment data shows residential properties increased in value in recent cycles, with the statewide average assessment growth reported by SDAT. Rockville homes, like other properties in desirable suburban areas, have seen significant appreciation since the last major market correction.

• County tax rate increases proposed for upcoming fiscal years
• Statewide assessment growth outpacing wage growth
• Homestead credit cap protecting long-term homeowners
• Increased demand for senior and veteran exemptions
• Growing use of online payment and appeal systems

Property owners who track rate changes and assessment trends can plan ahead for future tax obligations. Subscribing to County Council meeting agendas and budget publications provides early notice of rate proposals. Monitoring the SDAT assessment database allows owners to compare their assessments against neighborhood trends.

Official Forms and Documents

Rockville property tax forms are available through the SDAT website and the Montgomery County Department of Finance. Forms include the homestead credit application, senior tax credit application, veteran exemption application, appeal petition, and address change request. Each form is available as a downloadable PDF.

The SDAT Real Property search portal provides direct access to assessment records and links to downloadable forms. Property owners should verify they are using the latest version of each form before submission, as outdated forms may not be accepted.

Personal Property Tax Considerations

Personal property tax in Rockville applies to business-owned assets such as equipment, machinery, and inventory. Unlike real property, personal property is self-reported by the business owner each year through a filed return. Failure to file results in an automatic assessment based on prior records or estimated values.

• Annual filing required through SDAT Business Personal Property return
• Depreciation applied based on asset age and type
• Vehicles titled in Maryland assessed separately by SDAT
• Boats and aircraft also subject to personal property tax
• Out-of-state businesses with Maryland property must file

The personal property tax rate in Rockville combines a City rate and a County rate. The total rate is generally higher than the real property rate because personal property is not eligible for the homestead credit. Businesses should maintain accurate records of all taxable assets to avoid penalties and to support appeals if needed.

Business Personal Property Tax

Businesses operating in Rockville must file an annual personal property return with SDAT. The return lists all taxable property owned as of January 1 of that year. Extensions may be available upon request, and late filings incur penalties plus interest on unpaid balances. Property owners should verify the exact filing deadline with SDAT.

The SDAT Personal Property Assessment Division reviews each return and issues an assessment notice. Business owners who disagree with the assessment may file an appeal within the standard 45-day window. Supporting documentation such as purchase invoices, depreciation schedules, and disposal records strengthen the appeal.

• Filing deadline: Per SDAT schedule each year
• Extension request: Filed before the original deadline
• Late filing penalty: Percentage of unpaid tax
• Appeal deadline: 45 days from assessment notice
• Payment: Due with the return or upon billing

Businesses with multiple locations or complex asset schedules benefit from working with a tax professional familiar with Maryland rules. Errors in classification or depreciation often lead to inflated assessments that take time and effort to correct through the appeal process.

Rockville Online Tax Portal Login

The Rockville online tax portal provides registered users with access to tax bills, payment history, and exemption records. Users create an account using their property account number and a valid email address. Once registered, they can view current bills, download statements, and enroll in paperless billing.

The portal also allows property owners to set up automatic payments through electronic funds transfer. Enrollment in autopay prevents missed deadlines and protects against late penalties. Users receive email confirmation before each scheduled payment is processed.

• Account creation with property account number
• Email verification required for activation
• View current and historical tax bills
• Download payment receipts and confirmations
• Enroll in autopay and paperless billing

Security features include two-factor authentication and session timeouts to protect user data. Property owners who share access with spouses or tax advisors should create separate logins rather than sharing credentials. Lost passwords can be reset through the email address on file.

Property Tax Cap Limits

Property tax caps in Rockville operate through the homestead credit system, which limits the annual increase in the tax bill for owner-occupied properties. The cap percentage is set each year by the State of Maryland and applies to both the County portion and the City portion of the bill separately.

For tax year 2026, the homestead credit cap for Montgomery County properties is established by State calculation based on growth in the Consumer Price Index. The City of Rockville cap is set by City Council and may differ from the County cap. Property owners can verify the current cap by reviewing their assessment notice or contacting SDAT.

• Cap applies only to owner-occupied primary residences
• Cap resets when the property is sold or transferred
• Cap limits annual bill increase, not annual value increase
• Non-homestead properties see full assessment changes reflected
• Cap adjustment possible for substantial improvements

When a property sells, the homestead credit cap resets to zero on the new owner’s bill. The new owner may file a new homestead credit application to begin cap protection from their purchase date. Existing owners who refinance or transfer title within the family should consult SDAT rules before assuming the cap continues.

Address Changes and Mailing Records

Property owners who move or change their mailing address must notify both SDAT and the Montgomery County Treasury to ensure tax bills reach the correct recipient. SDAT maintains the property owner record used for assessment notices, while County Treasury maintains the billing record for tax bills.

Address changes for SDAT records can be submitted using the official address change form available through the SDAT forms library. The form requires the property account number, current owner information, and the new mailing address. Property owners within Baltimore City must contact the Baltimore City Property Location Department at 410-396-3800 to update their records.

1. Download the SDAT address change form from the official forms page
2. Complete the form with accurate property identification
3. Sign and date the form as the property owner
4. Submit by mail to the SDAT Montgomery County Office
5. Verify the change through the SDAT portal after processing

Failure to update the mailing address results in bills sent to the previous address, which does not excuse late payment. Property owners who do not receive a bill must verify the address on file and request a duplicate copy to avoid missing payment deadlines and triggering penalties.

Assessment Notice Due Date

Property assessment notices in Rockville are mailed annually to property owners in reassessment groups. The notice includes the new assessed value, the phase-in schedule, and the appeal deadline. Property owners should review each notice carefully and compare the new value against recent neighborhood sales.

The due date for filing an appeal appears on the notice itself, along with instructions for submitting the petition. The 45-day appeal window begins on the mailing date and ends exactly 45 days later. Property owners who need additional time should contact SDAT before the deadline to discuss extension options.

• Notice mailed by SDAT to the owner of record
• Notice includes assessed value and phase-in details
• Appeal deadline printed directly on the notice
• Petition submitted online, by mail, or in person
• Hearing scheduled within several months of filing

Property owners who believe the assessed value exceeds the fair market value should act quickly to preserve appeal rights. Late appeals are dismissed regardless of merit, so timely filing is critical. Gathering comparable sales data before the hearing improves the chances of a successful reduction.

Contact, Local Details, and Map

Property owners can reach the Maryland Department of Assessments and Taxation (SDAT) by phone or through the official SDAT website. SDAT handles assessment, exemption, and appeal matters for properties within Rockville and Montgomery County.

The SDAT Montgomery County Office processes assessment appeals, exemption applications, and address changes. Land records including deeds, mortgages, and tax liens are maintained by the Montgomery County Circuit Court Land Records Department. Property owners can also contact SDAT for personal property assessment inquiries at the phone number listed above or by visiting the SDAT internet website to e-mail a request.

Frequently Asked Questions

Rockville Property Tax information helps homeowners understand their bills, find exemptions, and meet payment deadlines. Knowing where to search, how to appeal, and which contacts to use saves time and avoids penalties. Below are the most common questions residents ask about Rockville real estate tax assessment and payment.

What is the current Rockville MD property tax rate and how is it calculated?

The 2026 Montgomery County rate for Rockville is $0.292 per $100 of assessed value. To estimate a bill, multiply the assessed value by 0.292 ∕ 100, then add mandatory fees such as solid waste charges. For example, a home assessed at $300,000 owes $876 in base tax before fees. Use the Montgomery County online tax calculator for a precise total, including any applicable exemptions.

How can I check my Rockville property tax bill online?

Visit the SDAT Real Property Data Search portal at https://sdat.dat.maryland.gov/RealProperty/Pages/default.aspx. Enter the property address or the county account number. The system displays the assessment value, tax charges, payment status, and exemption eligibility. If you spot an error, note the account number and call (240) 314‑4510 to request a correction.

When is the Rockville property tax payment deadline and what penalties apply for late payment?

All real‑property taxes are due by March 31 each year. Payments made after this date incur a 1.5 % monthly penalty plus interest on the unpaid balance. For example, a $1,200 bill paid on April 30 would add $18 in penalties. Pay online, by mail, or through your mortgage servicer before the deadline to avoid extra charges.

What steps must I follow to appeal my Rockville property tax assessment?

First, obtain the assessment notice from the SDAT portal. Next, file a grievance using Form RP‑524 within 45 days of the mailing date. Submit the form online or mail it to 30 W Gude Drive, Suite 400, Rockville, MD 20850. Include any supporting documents such as recent sales comparables. After filing, a hearing officer will review the case and issue a decision.

Which exemptions or relief programs are available for seniors and veterans in Rockville?

Homeowners age 65 or older may qualify for the Maryland Homestead Tax Credit, which caps the assessed value at $75,000. Eligible veterans can apply for the Maryland Veteran Property Tax Credit, reducing the tax bill by up to $150 annually. To claim either benefit, submit the appropriate form through the SDAT portal before the assessment notice is issued. Verify eligibility criteria on the SDAT website or call (240) 314‑4510 for help.