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Washington

620 Maryland Avenue Northeast, Washington

House

technical data · neighborhood and transit

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620 Maryland Avenue Northeast, WashingtonOpen map

Quick answers

Does 620 Maryland Avenue Northeast have open permits or code violations?
DC Department of Buildings lists 28 permits, 24 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 620 Maryland Avenue Northeast at risk for?
FEMA's National Risk Index rates the area very low overall.

Permits and code violations

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

  1. Construction Oct 2026Permit issued

    Repair work - removal of cracking concrete path and replacement with permeable brick pavers on path in public space. addition of bluestone pavers on top of existing concrete pad in rear yard.

  2. Construction Dec 2025Permit issued

    Historic district tuckpoint side building facade

  3. Supplemental Oct 2025Permit issued

    Plumbing trade permit

  4. Supplemental Mar 2025Completed
  5. Construction Dec 2024Permit issued

    Roof mounted pv solar system install of 7.2kw dc historic district

  6. Supplemental Dec 2024Permit issued
  7. Supplemental Nov 2024Permit issued
  8. Supplemental Nov 2024Permit issued
  9. Supplemental Sep 2024Permit issued
  10. Construction Sep 2024Expired

    Historic district replacing stairs on existing rear deck.

  11. Construction Sep 2024Permit issued

    Commission of fine arts jurisdiction area revision to b2404036. minor interior renovations in unit a, on 2nd and 3rd floor.

  12. Construction Jun 2024Permit issued

    Interior renovation of the kitchen and bathrooms on the 1st, 2nd, and 3rd floors of the property.

DC Department of Buildings

Safety and environment

FEMA natural hazard risk

Very Low

No single natural hazard ranks high for this area.

FEMA National Risk Index, census tract

Superfund site

1.5 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: Square 484 Hotel Llc, 599 Massachussetts Av Nw (600 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

Nearest public schools

900 ft

Peabody ES (Capitol Hill Cluster) (900 ft), Stuart-Hobson MS (Capitol Hill Cluster) (950 ft), Ludlow-Taylor ES (1,450 ft). Confirm the assigned school with the district.

U.S. Department of Education, NCES

Major airport

3.6 mi

Reagan National (DCA). Homes this close can sit inside the 65 dB DNL noise contour. Visit at peak hours and check the airport's noise map.

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 620 Maryland Avenue Northeast, Washington

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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.
  • Knock on a neighboring gate and ask about noise, pets, flooding, or other issues common in the area.
  • Schedule a viewing in the evening too, on a weekday, to see street traffic, streetlights, and how quiet the neighborhood is after 8 PM.
  • Ask to see the construction documents (permit, sign-off) and check for visible cracks on the facade or in the attic/basement.
  • Ask what heating system is in place (own boiler, wood, gas) and request the last winter month's bills.
  • Check the sewer connection (public network or septic tank) and the water source (public network or well), including pressure and water quality.

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