What is the property tax rate in Harford County?

The combined effective property tax rate in Harford County, Maryland is approximately 1.04%.

Harford County Property Tax Calculator (2026) — Maryland Property Tax Almanac

Property Tax in Harford County, 2026

A calculator and field guide for Bel Air-area homeowners — and for anyone considering a move to Harford County — including Maryland's combined state + county property tax structure, the Homestead Tax Credit's county-set caps on annual taxable assessment growth (Anne Arundel 2%, Talbot 0%, most counties 5%, max 10%), the income-tested Homeowners' Property Tax Credit, and the constitutional 100% disabled veterans full exemption (Tax-Property §7-208).

Harford County, home to Bel Air and 265k Marylanders, operates under Maryland's combined state + county property tax system. Tax = Assessed Value × combined rate per $100 of AV. Assessments are conducted by the Maryland State Department of Assessments and Taxation (SDAT) every three years (Group 1, 2, or 3 cycles), with assessment increases phased in over 3 years. Maryland's 24 jurisdictions (23 counties + Baltimore City) each set their own county/city tax rate.

How the bill is built

Maryland property tax involves layered steps. Step 1: Full Cash Value. SDAT determines full cash value (= fair market value) every 3 years on a triennial cycle. Step 2: Phased-in Assessment. Increases in assessment are phased in evenly over 3 years (decreases applied immediately). Step 3: Apply state + county/city tax rates. State rate is $0.112/$100 statewide; county/city rates vary widely from ~$0.62 (Talbot) to ~$1.97 (Baltimore City). Harford's combined rate is approximately $1.04/$100 of phased-in AV. Step 4: Apply Homestead Tax Credit cap. Annual taxable assessment growth is capped at the county-set rate (5% in Harford County). Owner-occupants must file a one-time application with SDAT to establish eligibility.

Maryland's Homestead Tax Credit requires a one-time application — it's not automatic. Homeowners who fail to file with SDAT lose the cap-on-assessment-growth protection. The county's cap rate determines how aggressively annual assessment increases are limited. Check your status at the SDAT Real Property database.

Maryland 100% disabled veterans receive a FULL exemption (Tax-Property §7-208). Veterans declared by the VA to have a 100% service-connected permanent and total disability — or 100% individually unemployable — receive a complete exemption from real property taxes on their dwelling and curtilage. Surviving spouses retain the exemption (unmarried). Surviving spouses of US service members killed in line of duty also fully exempt. This is among the most-comprehensive disabled-veteran exemptions in the United States. Counties separately offer partial credits for 50%-99% disabled veterans (varies by county adoption — e.g., Anne Arundel offers 50% of county tax for 75%+ disability with income below $100K).

The Homeowners' Property Tax Credit caps tax as percent of income. Separate from the Homestead Tax Credit, Maryland's income-tested Homeowners' Property Tax Credit limits property tax to a sliding-scale percentage of household income. For 2026, applications are due by April 15 with income limits set at ~$60K for individuals or couples (some credit can extend higher). The program provided $63.9 million in credits statewide in fiscal year 2025. Many Maryland counties (including Baltimore City and Howard) provide a local supplement on top of the state credit.

2026 Harford County rate breakdown (combined state + county rate per $100 of phased-in AV, Bel Air district)

Taxing entity	Rate
Combined state + county tax rate (~$1.04 / $100 of phased-in AV)	1.0400
Combined total	1.0400

As of April 26, 2026 · From Maryland State Department of Assessments and Taxation - Harford.

Note: Harford County is **northeast Maryland** — anchored by Bel Air (~10K, the seat) and home to Aberdeen Proving Ground (one of the largest US Army installations on the East Coast, ~22,000 employees including civilian and military). Harford's economy is heavily defense-dependent — APG hosts the Army Test and Evaluation Command, the US Army Research Laboratory, and the Edgewood Chemical Biological Center. The county runs from the Pennsylvania border (north) to the Chesapeake Bay (south, at Havre de Grace, where the Susquehanna River meets the Bay).

Note: Harford County effective property tax rates run approximately 1.04% — moderate by Maryland standards. Combined tax rate is approximately $1.04/$100 of phased-in AV. Harford County sets a Homestead Tax Credit cap of **5%** on annual taxable assessment growth. Median home values around $370K combined with the moderate rate produce median annual bills around $3,848 — meaningful value relative to Howard or Montgomery County.

Note: For relocation buyers: Harford offers **strong value vs. Howard/Montgomery** — substantial defense employment, lower home prices, and reasonable Baltimore commute (Bel Air to Baltimore ~40 min). Aberdeen is heavily military/defense-contractor focused; Bel Air has more residential/family character with strong Harford County Public Schools. Havre de Grace is a historic Chesapeake Bay waterfront town — popular for retirees and second-home buyers.

Deductions and exemptions for 2026

Maryland homeowner property tax relief is concentrated in four mechanisms: (1) the Homestead Tax Credit (county-set caps on annual taxable assessment growth), (2) the Homeowners' Property Tax Credit (income-tested, caps tax as percent of income), (3) county senior tax credits (typically ~20% of county tax for age 65+ with limited income), and (4) the constitutional 100% Disabled Veterans Real Property Tax Exemption (Tax-Property §7-208 — full exemption).

Homestead Tax Credit (county-set caps)

Maryland's Homestead Tax Credit caps annual taxable assessment growth on owner-occupied principal residences. State law caps the state portion at 10%; counties set their own (typically lower) caps for the county portion: Anne Arundel 2% (one of the most-protective in MD), Talbot 0% (the most-protective — AV essentially frozen), Prince George's / St. Mary's / Garrett 3%, Allegany / Baltimore City / Baltimore County / Cecil 4%, most others 5%, Charles 7%, Montgomery / Calvert / Somerset 10% (the state max). One-time application required (file with SDAT) — homeowners who fail to apply lose the protection. Check status at the SDAT Real Property database.

Homeowners' Property Tax Credit (income-tested)

The Homeowners' Property Tax Credit limits property tax to a sliding-scale percentage of household income. For 2026, applications are due by April 15 with income limits set at ~$60,000 for individuals or couples (some credit can extend higher). Up to ~$1,000+ in annual credits for income-qualified homeowners. The program provided $63.9 million in credits statewide in fiscal year 2025. Many Maryland counties (including Baltimore City and Howard) provide a local supplement on top of the state credit.

100% Disabled Veterans Exemption (Tax-Property §7-208)

Maryland provides a full real property tax exemption for veterans declared by the VA to have a 100% service-connected permanent and total disability OR 100% individually unemployable. The exemption applies to the dwelling and curtilage (lot and structures necessary to use the property as residence). Surviving spouses retain (unmarried). Surviving spouses of US service members killed in line of duty are also fully exempt. Apply with the local SDAT office with DD-214 + VA rating decision. Refunds available retroactive to VA rating effective date (up to 3 years). Counties separately offer partial credits for 50%-99% disabled veterans (varies by county adoption — e.g., Anne Arundel offers 50% of county tax for 75%+ disability with income below $100K).

Appealing your assessment

Maryland property tax appeals follow a 3-tier process. Level 1: Local SDAT Office. File a written appeal within 45 days of the assessment notice (Maryland reassesses on a triennial cycle — Group 1, 2, or 3 — covering one-third of properties each year). Local SDAT supervisors review and may adjust the assessment. Level 2: Property Tax Assessment Appeals Board (PTAAB). If denied, appeal to the county PTAAB within 30 days. PTAAB holds quasi-judicial hearings — homeowners can present comparable sales, recent appraisals, or independent appraiser testimony. Level 3: Maryland Tax Court. PTAAB decisions can be appealed to the Maryland Tax Court (a state-level administrative tribunal); from there to Circuit Court. Most Maryland appeals are resolved at Level 1 or Level 2.

Cities and towns in Harford County

Harford County contains 5 incorporated municipalities, ranging from Bel Air to the smallest village. Search volume for property tax is often city-specific, so here is the complete list — with population from the 2020 US Census, rounded to the nearest 100.

Data: US Census Bureau, 2020 Decennial Census. Populations rounded. Cities marked as "split" straddle a county border — the portion inside Harford County is subject to Harford County's tax rolls, while the portion outside is subject to the adjacent county's.

City or town	Type	Population (2020)
Edgewood	Census-designated place	25,400
Aberdeen	city	17,000
Havre de Grace	city	14,400
Joppatowne	Census-designated place	12,700
Bel Air County seat	town	10,300

About city-level property tax rates: The rate breakdown and calculator on this page reflect the Bel Air tax district. Other cities in Harford County may pay into different school districts, city rates, and special districts — so their combined rates can differ, sometimes substantially. Always verify the specific rates for your address with the Maryland State Department of Assessments and Taxation - Harford before relying on any estimate.

Frequently asked questions

When are Maryland property taxes due?

Maryland's property tax year runs July 1 through June 30. Bills are typically mailed in July. Owner-occupied primary residences can pay in two installments: September 30 (first half) and December 31 (second half), or pay the full bill by September 30 to avoid the second installment. Investment properties and commercial owners typically pay full bill by September 30. Late payments accrue interest plus penalty (1% per month typical). Most Maryland homeowners pay through escrow via mortgage servicer.

Do I have to apply for the Homestead Tax Credit?

Yes — the Homestead Tax Credit requires a one-time application with the State Department of Assessments and Taxation (SDAT). After the 2007 reform, owners who fail to apply lose the cap-on-assessment-growth protection (which can mean significant additional tax in counties with low caps like Anne Arundel's 2% or Talbot's 0%). Check your status at the SDAT Real Property database (look up your property → scroll to "Homestead Application Status"). If it says "No application," file the application immediately. Once approved, the credit applies as long as the property remains your principal residence — no annual renewal required.

What's the difference between Baltimore City and Baltimore County?

Maryland has an unusual jurisdictional structure: Baltimore City is an independent jurisdiction, NOT part of any county. The City of Baltimore was incorporated in 1729, separated from Baltimore County in 1851, and operates as its own first-level political subdivision (similar to the 38 independent cities in Virginia). Baltimore County (with its seat in Towson) is a wraparound suburban county surrounding the City. The two have separate governments, separate school systems, separate police departments, and separate tax bases. Baltimore City's effective tax rate (~1.97%) is much higher than Baltimore County's (~1.13%) — reflecting the City's smaller residential base relative to its service obligations. Maryland's other 23 jurisdictions are all counties.

How do I qualify for the 100% Disabled Veterans full property tax exemption?

Maryland's full disabled-veterans exemption (Tax-Property §7-208) requires: (a) honorable discharge from US military service, AND (b) VA-determined 100% service-connected permanent and total disability OR 100% individually unemployable rating. Apply with the local SDAT office using the Application for Exemption for Disabled Veterans, attaching DD-214 and the VA rating decision (which must reference the 100% P&T or unemployable rating, the rating decision date, and the disability effective date). The exemption applies to the dwelling, lot, and curtilage (structures necessary to use the property as residence). Surviving spouses (unmarried) retain. Refunds available retroactive to the VA rating effective date (up to 3 years pursuant to §7-208(g)). Counties separately offer partial credits for 50%-99% disabled veterans — see your county's tax credit program.

How does Maryland's triennial assessment cycle work?

Maryland reassesses property on a triennial cycle — Group 1, Group 2, or Group 3, with each group covering approximately one-third of properties. SDAT mails reassessment notices by January 1 of the assessment year. Increases in assessment are phased in evenly over the next 3 years, while decreases are applied immediately for the new tax year. For example: if 2026 reassessment shows a $360,000 home (up from $300,000 in 2023), the $60,000 increase is split into $20,000/year over 3 years (FY27, FY28, FY29). The Homestead Tax Credit's annual cap applies to each phased-in increment. Harford County reassesses on a published group cycle — check the SDAT calendar for the next reassessment year.

How do I appeal my Maryland assessment?

Maryland property tax appeals follow a 3-tier process. Level 1: Local SDAT Office. File a written appeal within 45 days of the assessment notice. SDAT supervisors review and may adjust. Level 2: Property Tax Assessment Appeals Board (PTAAB). If denied, appeal to the county PTAAB within 30 days. PTAAB holds quasi-judicial hearings — present comparable sales, recent appraisals, or independent appraiser testimony. Level 3: Maryland Tax Court. PTAAB decisions can be appealed to the Maryland Tax Court (a state-level administrative tribunal); from there to Circuit Court. Most appeals are resolved at Level 1 or Level 2. Comparable sales evidence is the most-effective basis for appeal.

About Harford County

Beyond the property tax — a few things you might not know about the place.

Weird fact

Aberdeen Proving Ground (in Harford County) is **the oldest active US Army proving ground** — established in 1917 during World War I to test artillery and ordnance, and continuously operating since then. APG covers 73,000 acres (114 square miles, larger than Washington DC) and has been the site of testing for nearly every US Army weapon system from World War I through present-day systems. APG also includes the US Army Ordnance Museum (~225 historic tanks and artillery pieces, one of the largest military equipment collections in the US — though the museum has been closed to the public since 2010 due to relocation issues). The Edgewood Arsenal (an APG sub-installation) has a controversial history of human chemical weapons testing during the 1950s-1970s.

Hometown hero

Cal Ripken Jr.

The American baseball legend (born 1960) — known as "The Iron Man" of baseball for his record 2,632 consecutive games played streak (1982-1998) — was born in Havre de Grace (Harford County) and grew up in Aberdeen. Ripken's 21-year career with the Baltimore Orioles (1981-2001) included 19 All-Star appearances, 2 American League MVP awards, and Hall of Fame induction in 2007 (with the third-highest vote percentage in baseball history). The Ripken Stadium (in Aberdeen, home to the Aberdeen IronBirds, the High-A minor league affiliate of the Orioles) was built on land donated by the Ripken family.

Biggest annual event

Havre de Grace Decoy Festival + Maryland Renaissance Festival

The Havre de Grace Decoy Festival (annual, first weekend of May at the Havre de Grace Decoy Museum, since 1981) is **the largest decoy show in the Eastern United States** — drawing 30,000+ attendees and 200+ decoy carvers, with the World Decoy Carving Championships and substantial Chesapeake Bay maritime culture programming. The Maryland Renaissance Festival (annual, late August through October, in Crownsville — technically Anne Arundel County but historically a Harford-region tourist draw) is one of the largest Renaissance festivals in the US, drawing 300,000+ attendees.

Property Tax in Harford County, 2026