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Washington

4527 Illinois Avenue Northwest, Washington

House

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4527 Illinois Avenue Northwest, WashingtonOpen map

Quick answers

Does 4527 Illinois Avenue Northwest have open permits or code violations?
DC Department of Buildings lists 13 permits, 9 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 4527 Illinois Avenue Northwest at risk for?
FEMA's National Risk Index rates the area very low overall, with elevated heat wave risk.

Permits and code violations

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

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

    Plumbing trade permit

  3. Construction May 2025Permit issued

    Build exterior deck with stairs to grade, install half bath on main level, build full bath on bedroom level, modify existing layout on upper level to accommodate new bathroom, relocate door on main level (rear of house and center to accommodate proposed half bath). expand door openings on rear house. enclose space beneath deck to create utility shed. all work will be performed according to district of columbia guidelines

  4. Post card Apr 2025Permit issued
  5. Post card Apr 2025Permit issued
  6. Construction Feb 2025Permit issued

    Replace bathroom fixtures in kind in one full bathroom. all plumbing and electrical to remain in existing locations. materialsprovided by owner.

  7. Supplemental Dec 2024Expired
  8. Construction Aug 2024Expired

    Install approx 39 ft of new 42-inch tall black steel picket fence with 5-ft wide gate. fence posts are 2 inches by 2 inches and capped. 24 inches to 30 inches deep in wet concrete. fence sections are standard 4 inches spaced, 3-rail, and flat mount bracketed to posts. option to remove 27 ft of existing chain link fence and replace with 42-inch tall black steel picket fence.

  9. Supplemental May 2023Expired
  10. Supplemental Dec 2022Completed
  11. Supplemental Dec 2022Completed
  12. Supplemental Nov 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

Leaking fuel tanks

1 within 1,650 ft

Nearest: National Creative Growth Ind Inc, 500 Emerson St Ne (1,500 ft), no further action. Every release here is closed by the state regulator.

EPA UST Finder, leaking underground storage tank releases

Brownfield site

2,500 ft

4100 Kansas Ave And 1203 Taylor Street Property. Former industrial land in EPA's cleanup and reuse program.

EPA ACRES Brownfields

Toxic release facility

4,200 ft

Fort Totten Ready Mix Concrete. Reports chemical releases to air, water or land to EPA each year.

EPA Toxics Release Inventory

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

500 ft

E.L. Haynes PCS - HS (500 ft), E.L. Haynes PCS - ES (500 ft), Center City PCS - Petworth (850 ft). Confirm the assigned school with the district.

U.S. Department of Education, NCES

Major airport

6.5 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 4527 Illinois Avenue 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 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.
  • 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.