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Washington

4421 C Street Southeast, Washington

Semi-detached house

technical data · neighborhood and transit

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4421 C Street Southeast, WashingtonOpen map

Quick answers

Does 4421 C Street Southeast have open permits or code violations?
DC Department of Buildings lists 11 permits, 10 not closed, and 0 violations.
What is the 2026 conforming loan limit in District of Columbia?
$1,249,125 for a single-unit home, per FHFA. Larger loans are jumbo loans.
Is radon a problem here?
EPA radon zone 2, moderate potential.
What natural disasters is 4421 C Street Southeast at risk for?
FEMA's National Risk Index rates the area relatively low overall, with elevated heat wave and winter weather risk.

Permits and code violations

10 permits not closed out. Unfinished permits pass to the next owner.

  1. Supplemental Feb 2026Completed
  2. Supplemental May 2025Permit issued
  3. Construction May 2025Permit issued

    Residential grid roof mounted interactive solar installation system ac size @ stc: 3.800 kw system dc size @ stc: 5.330 kw (13) znshine solar zxm7-sh108 410w (1) solar edge se3800h-us hub (240v) usmnf (rgm certified)

  4. Construction Aug 2024Expired

    The project scope includes the installation of a 5.33kw dc rated grid-tied photovoltaic system. the installation consists of a railed, roof mounted solar array, inverters and related electrical metering and safty equipment will be installed as required by applicable codes and the local utility company. during daylight hours, this pv system (solar electric) will provide electricity in parallel with the local utility service provider.

  5. Supplemental Aug 2024Expired

    Electrical trade permit

  6. Supplemental Mar 2024Permit issued
  7. Supplemental Jan 2024Expired
  8. Supplemental Dec 2023Permit canceled
  9. Supplemental Dec 2023Permit canceled
  10. Supplemental Sep 2023Permit issued
  11. Construction Feb 2023Expired

    (1) replace 9-foot double rear gate with a 10.5-foot double gate to align with the full width of the parking pad(2) replace 11 feet of chain link along rear fence (using existing posts)

DC Department of Buildings

Safety and environment

FEMA natural hazard risk

Relatively Low

Highest for this area: heat wave, winter weather. These drive insurance cost here.

FEMA National Risk Index, census tract

Superfund site

2.6 mi

Washington Navy Yard (NPL Site). Check groundwater and vapor reports on the EPA site page.

EPA National Priorities List

Leaking fuel tanks

7 within 1,650 ft

Nearest: Neal Investments Inc, 4117 Ames St Ne (1,650 ft), open. 1 still open. Ask whether groundwater or soil vapor testing was done.

EPA UST Finder, leaking underground storage tank releases

Radon potential

Moderate

Average indoor levels of 2 to 4 pCi/L. EPA still suggests testing ground-floor and basement units.

EPA and USGS Geologic Radon Potential Map

Wildfire risk

Very Low

Wildfire risk is low enough that standard home insurance usually covers it.

FEMA National Risk Index

Nearest public schools

800 ft

Plummer ES (800 ft), The SEED PCS of Washington DC (1,100 ft), DC Prep PCS - Benning ES (1,750 ft). Confirm the assigned school with the district.

U.S. Department of Education, NCES

Major airport

5.6 mi

Reagan National (DCA). Aircraft may be audible under approach paths.

FAA large-hub airports

Conforming loan limit 2026

$1,249,125

District of Columbia. Mortgages up to this amount qualify for Fannie Mae and Freddie Mac pricing. Above it, the loan is a jumbo with stricter terms.

FHFA Conforming Loan Limit Values, one-unit

Sunlight

How the sun hits 4421 C Street Southeast, Washington

Sunlight at this address
How it works
Building typeSemi-detached house

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Viewing recommendations

What's worth checking in person before deciding.

  • Semi-detached or row house: the shared wall matters. Listen from the room adjoining the neighbor's side and ask whether any structural work has been done there.
  • Test water pressure and temperature at the tap, in the bathroom and kitchen, for at least a minute.
  • This is a house, not an apartment. Check the lot boundaries, car access, and how water drains from the yard after rain, including whether the neighboring lot sits higher and could send water toward the property.
  • Schedule a viewing in the evening too, on a weekday, to see street traffic, streetlights, and how quiet the neighborhood is after 8 PM.
  • Check the sewer connection (public network or septic tank) and the water source (public network or well), including pressure and water quality.
  • Knock on a neighboring gate and ask about noise, pets, flooding, or other issues common in the area.
  • Ask what heating system is in place (own boiler, wood, gas) and request the last winter month's bills.

Neighborhood recommendations are derived from public OpenStreetMap data and may be incomplete. Checking in person is still what matters most.