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Washington

300 Carroll Street Northwest, Washington

Detached house

technical data · neighborhood and transit

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300 Carroll Street Northwest, WashingtonOpen map

Quick answers

Does 300 Carroll Street Northwest have open permits or code violations?
DC Department of Buildings lists 22 permits, 22 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 300 Carroll Street Northwest at risk for?
FEMA's National Risk Index rates the area very low overall, with elevated heat wave risk.

Permits and code violations

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

  1. Construction Aug 2026Permit issued
  2. Construction Dec 2025Permit issued

    Historic district historic district revision to previously approved permit #b2401286. revision seeks to modify kitchen hood location and equipment layout. proposed revision includes also elimination of interior accessible ramps and creation of a mezzanine level for incidental use. the revision includes also the addition a secondary bar that is ada compliant. proposed revision seeks also to substitute the central spiral stair for a regular metal stair connecting mezzanine level with ground floor. proposed revision includes substitution of the mechanical roof top unit for outdoor/indoor heat-pump system.

  3. Supplemental Oct 2025Permit issued
  4. Supplemental Oct 2025Permit issued
  5. Supplemental Apr 2025Permit issued
  6. Supplemental Apr 2025Permit issued
  7. Construction Jan 2025Permit issued
  8. Supplemental Nov 2024Permit issued
  9. Supplemental Feb 2024Permit issued
  10. Supplemental Feb 2024Permit issued
  11. Supplemental Feb 2024Permit issued
  12. Construction Jan 2024Expired

    Proposed development at 304 carroll street nw seeks to expand existing commercial space into adjacent 2 vacant commercial spaces by means of unit merger. no change of use: expanded commercial space to remain as use group a-2 (restaurant). proposed scope of work to include interior alteration. the proposed development will provide seasonal outdoor seating (at sidewalk level within private right of way) and roof top seating. the proposed project will incorporate the use of vegetated roof and bioretention. the proposed interior alteration will include architectural, structural, mechanical, electrical, plumbing, fire alarm, and fire protection works. area of work: 2,337 sq. ft.

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

Leaking fuel tanks

14 within 1,650 ft

Nearest: Unknown, 314 Carroll Av Nw (150 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

750 ft

Breakthrough Montessori PCS (750 ft), Takoma ES (1,800 ft), Coolidge HS (2,850 ft). Confirm the assigned school with the district.

U.S. Department of Education, NCES

Major airport

8.5 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 300 Carroll Street Northwest, Washington

Sunlight at this address
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Building typeDetached house

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Viewing recommendations

What's worth checking in person before deciding.

  • 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.
  • Ask what heating system is in place (own boiler, wood, gas) and request the last winter month's bills.
  • 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 condition of the fence, yard, and sidewalk out front: who is responsible for upkeep, and whether there are any boundary disputes with neighbors.
  • Check the roof, gutters, and downspouts for signs of leaks or recent repairs, especially if it has rained recently.
  • Check exactly where you'd park: a spot in the yard or garage, or street parking, and how crowded the street gets in the evening.

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