4429 Iowa Avenue Northwest, Washington
technical data · neighborhood and transit
Quick answers
- Does 4429 Iowa Avenue Northwest have open permits or code violations?
- DC Department of Buildings lists 24 permits, 19 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 4429 Iowa 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
19 permits not closed out. Unfinished permits pass to the next owner.
- Post card Apr 2026Permit issued
- Post card Apr 2026Permit issued
- Supplemental Dec 2025Permit issued
- Post card Nov 2025Permit issued
- Supplemental Nov 2025Permit issued
- Supplemental Jul 2024Permit issued
- Supplemental Jul 2024Permit issued
- Supplemental Jun 2024Permit issued
- Construction Jun 2024Permit issued
Renovation of existing two-story with cellar. rear 2 story addition over new cellar. new rear areaway. new rear deck. partial demolition and reconstruction of detached garage. new cellar slab zoning approval is subject to the following conditions: - a wall test report is required before the wall reaches a height of one foot (1 ft.) above footer, or in the case of other vertical construction, when a template or form is located and noted. - no kitchenette/wetbar/cooking facilities(or 220/240v outlet) proposed or authorized on the lower level under the scope of this permit - no conversion of the existing detached garage to an accessory apartment has been proposed or authorized under the scope of this permit.
- Supplemental Apr 2024Permit issued
Plumbing trade permit
- Post card Feb 2024Expired
- Post card Feb 2024Expired
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
13 within 1,650 ft
Nearest: Dag Petroleum Suppliers Llc, 4140 Georgia Av Nw (1,300 ft), open. 2 still open. Ask whether groundwater or soil vapor testing was done.
EPA UST Finder, leaking underground storage tank releases
Brownfield site
1,450 ft
4100 Kansas Ave And 1203 Taylor Street Property. Former industrial land in EPA's cleanup and reuse program.
EPA ACRES Brownfields
Historic listing nearby
100 ft
Roosevelt, Theodore, Senior High School and 1 more listings close by. Exterior changes can need preservation review; listed buildings can qualify for rehabilitation tax credits.
National Park Service, National Register
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
450 ft
MacFarland MS (450 ft), Dorothy I. Height ES (750 ft), Roosevelt HS (750 ft). Confirm the assigned school with the district.
U.S. Department of Education, NCES
Major airport
6.4 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
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More on Iowa Avenue Northwest
All addressesViewing 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.
- 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.
- Check the sewer connection (public network or septic tank) and the water source (public network or well), including pressure and water quality.
- 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.
- Knock on a neighboring gate and ask about noise, pets, flooding, or other issues common in the area.
Neighborhood recommendations are derived from public OpenStreetMap data and may be incomplete. Checking in person is still what matters most.