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JarrettsvillePhoto: Yaoiloverr · CC BY-SA 4.0
The Jarrettsville handbook

Living in Jarrettsville, MD: what to set up and who to call

Jarrettsville has no town government of its own, so Harford County runs its elections and most services, and its children attend Harford County Public Schools. Verizon and Armstrong wire most of Jarrettsville, and 96% of addresses can get fiber.

Which school will my kid attend?How do I register to vote?ZIP codes
Jarrettsville has no town government. It’s a census-designated place in Harford County, so the county and regional agencies provide most services. This page answers what we can; the same answers appear on Jarrettsville’s town page under “Getting set up”.

I’m new in town

What to set up in Jarrettsville, and who provides it. Tap an answer for the details and where they come from.

PowerBaltimore Gas & Electricinvestor-owned utility · 20.2¢/kWhMore →Internet5 providers100% of addresses get 100/20 MbpsMore →Trash & dumpNot on file yetWe don’t have Jarrettsville’s trash rules yetMore →SchoolHarford County Public SchoolsWhich school depends on grade and addressMore →Register to voteOnlineRules from vote.govMore →ZIP codes21084, 21050Where people live, not P.O. boxesMore →
Home services

Power, water and internet

Who to call to start service at a new address in Jarrettsville.

Electricity

Power comes from Baltimore Gas & Electric

Baltimore Gas & Electric (Baltimore Gas & Electric Co), an investor-owned utility, serves all of Jarrettsville. Its homes paid an average of 20.2¢ per kWh in 2025, about $177 a month (its average across Maryland, for customers on its standard service). Maryland lets you buy power from another supplier; 6% of Baltimore Gas & Electric’s home customers do, and Baltimore Gas & Electric still delivers it.

Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.

Internet

5 home internet providers serve Jarrettsville

100% of 1,114 addresses can get 100/20 Mbps; 96% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
VerizonFiber, Fixed wireless98%980/880
ArmstrongCable97%1,000/20
T-MobileFixed wireless67%100/20
AT&TFixed wireless45%100/20
BridgeMAXX Suncoast BroadbandFixed wireless14%100/20

FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.

Trash & recycling

We don’t have Jarrettsville’s trash rules yet

Pickup rules, the dump and recycling in Jarrettsville.

Trash, recycling and bulk pickupNot on fileJarrettsville has no town government of its own, so look for trash and recycling rules on the county’s site.
Schools

Where your child goes to school

Public school districts and the school path by grade.

Jarrettsville kids go to
K–5Jarrettsville ElementaryHarford County Public Schools
6–89 middle schoolsDepends on your address
9–129 high schoolsDepends on your address

Jarrettsville is in Harford County Public Schools.

BSchool gradeSee Schools →

U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.

Government & voting

No town hall: the county runs things

Jarrettsville is unincorporated, so Harford County is the local government.

Local governmentHarford CountyJarrettsville is a census-designated place: no town hall of its ownCensus
Who runs elections hereHarford County Board of ElectionsElections here are run by Harford County (county election office). Its listing was last updated in 2018, so we don’t show its contacts: check voterservices.elections.maryland.gov.FVAP, Mar 2018
Register to voteOnlineIn Maryland you can register online until 21 days before Election Day, in person up to and including Election Day, or by mail (postmarked 21 days before).vote.govCheck your registration and polling placevoterservices.elections.maryland.govThe state’s voter lookup

Election office: FVAP local election office directory, updated Mar 2018; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Mar 11, 2026.

ZIP codes & area codes

Jarrettsville spans 2 ZIP codes

ZIP codes where Jarrettsville residents live, with the share of the town in each.

ZIPPost office nameShare of JarrettsvilleZIP’s residents in Jarrettsville
21084Jarrettsville, MD87%33%
21050Forest Hill, MD13%2%

A few homes fall in 21047.

Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.

Everyday places

Getting around, the ER and the library

One line each; the subject pages have the rest.

Nearest emergency roomUmd Upper Chesapeake Medical Center8.7 miles awayGet a library cardHarford County Public LibraryNearest branch: Jarrettsville Branch, 3722 Norrisville Road · (410) 692-7887

ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.

Questions about living in Jarrettsville

Who provides electricity in Jarrettsville?

Baltimore Gas & Electric (Baltimore Gas & Electric Co), an investor-owned utility. Its homes paid about 20.2¢ per kWh in 2025 (EIA).

What internet providers serve Jarrettsville?

Verizon, Armstrong, T-Mobile, AT&T, BridgeMAXX Suncoast Broadband (FCC, as of December 2025).

What ZIP codes are in Jarrettsville?

21084 (87%), 21050 (13%), by share of residents. Census 2020 ZIP Code Tabulation Areas.

What school district is Jarrettsville in?

Harford County Public Schools.

How do I register to vote in Jarrettsville?

In Maryland you can register online until 21 days before Election Day, in person up to and including Election Day, or by mail (postmarked 21 days before). Elections here are run by the Harford County Board of Elections. Check your registration at voterservices.elections.maryland.gov.

Sources & dates

Every answer above names its source. Here they are with their dates.

  • Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
  • Trash: OpenStreetMap, Geofabrik extract of Oct 9, 2026. © OpenStreetMap contributors (ODbL).
  • ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
  • Schools: NCES Common Core of Data, 2024–25.
  • Registration: vote.gov, updated Mar 11, 2026 (read Oct 10, 2026). Official sites and area codes: Wikidata.
  • Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
  • Internet: FCC National Broadband Map, as of December 2025.