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Washington

1523 O Street Northwest, Washington

House

technical data · neighborhood and transit

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1523 O Street Northwest, WashingtonOpen map

Quick answers

Does 1523 O Street Northwest have open permits or code violations?
DC Department of Buildings lists 6 permits, 6 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 1523 O Street Northwest at risk for?
FEMA's National Risk Index rates the area very low overall.

Permits and code violations

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

  1. Supplemental Sep 2025Permit issued
  2. Construction Jul 2025Permit issued

    Historic districts: roof mounted pv solar system install of 12.96 kw dc

  3. Construction Jul 2023Permit issued

    Greater fourteenth street historic district to install 8.01kw size of solar panels with asystem height of 1.1 feet on roof of building.

  4. Supplemental Jun 2023Permit issued
  5. Construction Feb 2023Expired

    Tuckpointing mortar in kind.scaffolding erect 20'

  6. Construction May 2022Expired

    Replacement of the main upper and front balcony roofs with new pvc membrane roofs along with new drip edge and coping metal.

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

Leaking fuel tanks

39 within 1,650 ft

Nearest: 1100 15th Street Llc, Nw Plant - 1150 15th St Nw (1,650 ft), open. 1 still open. Ask whether groundwater or soil vapor testing was done.

EPA UST Finder, leaking underground storage tank releases

Brownfield site

1,750 ft

1306 13th Street Ne Sq 1026 Lot 0101 and 1 more within half a mile. Former industrial land in EPA's cleanup and reuse program.

EPA ACRES Brownfields

Toxic release facility

3,750 ft

Us Treasury Department Main Treasury Treasury Annex and 1 more within a mile. Reports chemical releases to air, water or land to EPA each year.

EPA Toxics Release Inventory

Historic listing nearby

150 ft

Hahnemann, Samuel, Monument and 2 more listings close by. Exterior changes can need preservation review; listed buildings can qualify for rehabilitation tax credits.

National Park Service, National Register

High-voltage line

1,300 ft

138 kV line run by POTOMAC ELECTRIC POWER CO.

HIFLD transmission lines

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

1,750 ft

Ross ES (1,750 ft), Garrison ES (2,750 ft), Thomson ES (2,800 ft). Confirm the assigned school with the district.

U.S. Department of Education, NCES

Major airport

3.9 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 1523 O Street Northwest, 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.
  • Check the sewer connection (public network or septic tank) and the water source (public network or well), including pressure and water quality.
  • 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.
  • Ask what heating system is in place (own boiler, wood, gas) and request the last winter month's bills.
  • Check the condition of the fence, yard, and sidewalk out front: who is responsible for upkeep, and whether there are any boundary disputes with neighbors.

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