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Washington

4021 Alabama Avenue Southeast, Washington

Semi-detached house

technical data · neighborhood and transit

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4021 Alabama Avenue Southeast, WashingtonOpen map

Quick answers

Does 4021 Alabama Avenue Southeast have open permits or code violations?
DC Department of Buildings lists 15 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 4021 Alabama Avenue Southeast at risk for?
FEMA's National Risk Index rates the area very low overall, with elevated heat wave risk.

Permits and code violations

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

  1. Construction Dec 2025Permit issued

    Installation of solar panels on the rooftop

  2. Construction Dec 2025Permit issued

    Residential grid roof mounted interactive solar installation system ac size @ stc: 11.00 kw system dc size @ stc: 15.750 kw (35) talesun solar bipro tm7g54m/450 solar modules (1) solaredge use11400h-usmnbl75 home hub (240v)(derated @ 11 kw) w/integral certified rgm

  3. Supplemental Dec 2025Permit issued

    Electrical trade permit

  4. Supplemental Dec 2025Permit issued
  5. Construction Nov 2025Permit issued

    Residential grid roof mounted interactive solar installation system ac size @ stc: 13.36 kw system dc size @ stc: 18.450 kw (41) talesun solar bipro tm7g54m/450 solar modules (1) solaredge use7600h-usmnbl75 & (1) solaredge use5700h-usmnbl75 home hub (240v) w/integral certified rgm

  6. Supplemental Nov 2025Permit issued
  7. Supplemental Jun 2025Permit issued
  8. Post card Mar 2025Permit issued
  9. Post card Feb 2025Permit issued
  10. Supplemental Jan 2025Expired
  11. Supplemental Sep 2022Completed
  12. Supplemental Sep 2022Completed

DC Department of Buildings

Safety and environment

FEMA natural hazard risk

Very Low

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

FEMA National Risk Index, census tract

Superfund site

2.2 mi

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

EPA National Priorities List

Leaking fuel tanks

4 within 1,650 ft

Nearest: Pmg Mid Atlantic Llc, 4101 Alabama Av Se (800 ft), no further action. Every release here is closed by the state regulator.

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

1,900 ft

Rocketship PCS - Legacy Prep (1,900 ft), Beers ES (3,000 ft), I Dream PCS (4,100 ft). Confirm the assigned school with the district.

U.S. Department of Education, NCES

Major airport

5.0 mi

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

FAA large-hub airports

Sinkhole-prone ground

Limestone karst

The bedrock here (sand, Chesapeake Group; Calvert Formation) can dissolve and open sinkholes. Ask for a geotechnical report and check whether sinkhole coverage is in the insurance policy.

USGS Karst in the United States (OFR 2014-1156)

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 4021 Alabama Avenue 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.

  • 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.
  • Test water pressure and temperature at the tap, in the bathroom and kitchen, for at least a minute.
  • 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.
  • Ask what heating system is in place (own boiler, wood, gas) and request the last winter month's bills.
  • Ask to see the construction documents (permit, sign-off) and check for visible cracks on the facade or in the attic/basement.
  • 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 roof, gutters, and downspouts for signs of leaks or recent repairs, especially if it has rained recently.

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