4505 Wisconsin Avenue Northwest, Washington
technical data · neighborhood and transit
Quick answers
- Does 4505 Wisconsin Avenue Northwest have open permits or code violations?
- DC Department of Buildings lists 34 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 1, the highest potential. Test for radon before you buy.
- What natural disasters is 4505 Wisconsin Avenue Northwest at risk for?
- FEMA's National Risk Index rates the area relatively low overall, with elevated heat wave risk.
Permits and code violations
24 permits not closed out. Unfinished permits pass to the next owner.
- Construction Oct 2026Permit issued
After hours activity request for canopy installation at tenleytown wmata metro entrance, as permitted under b2601368. all work to be performed during non-revenue/operational hours and has been endorsed/authorized by both wmata and anc
- Construction Sep 2026Permit issued
The scope includes the demolition of approximately 300 square feet of existing sidewalk. additionally, three existing light poles will be removed, including their concrete foundations. all activities will be contained within a temporary fenced work zone, with precautions rigorously enforced to ensure the safety and protection of pedestrians in the surrounding area.
- Construction Sep 2026Expired
After hours activity request for canopy installation at tenleytown wmata metro entrance, as permitted under b2601368. all work to be performed during non-revenue/operational hours and has been endorsed/authorized by both wmata and anc
- Construction Aug 2026Expired
After hours activity request for canopy installation at tenleytown wmata metro entrance, as permitted under b2601368. all work to be performed during non-revenue/operational hours and has been endorsed/authorized by both wmata and anc
- Construction Jul 2026Expired
After hours activity request for canopy installation at tenleytown wmata metro entrance, as permitted under b2601368. all work to be performed during non-revenue/operational hours and has been endorsed/authorized by both wmata and anc
- Construction Jun 2026Expired
After hours activity request for canopy installation at tenleytown wmata metro entrance, as permitted under b2601368. all work to be performed during non-revenue/operational hours and has been endorsed/authorized by both wmata and anc
- Construction May 2026Expired
After hours activity request for canopy installation at tenleytown wmata metro entrance, as permitted under b2601368. all work to be performed during non-revenue/operational hours and has been endorsed/authorized by both wmata and anc
- Construction Apr 2026Expired
After hours activity request for canopy installation at tenleytown wmata metro entrance, as permitted under b2601368. all work to be performed during non-revenue/operational hours and has been endorsed/authorized by both wmata and anc
- Construction Mar 2026Expired
After hours activity request for canopy installation at tenleytown wmata metro entrance, as permitted under b2601368. all work to be performed during non-revenue/operational hours and has been endorsed/authorized by both wmata and anc
- Construction Mar 2026Permit issued
This project involves the construction and installation of a new steel canopy over the existing escalator entrance at the tenleytown-au metro station. the canopy base will be secured to the parapet wall surrounding the station. key installation activities include temporary fencing, erecting a work platform, crane use for placing canopy sections, and skylight framing with glass panel installation.
- Supplemental Mar 2025Completed
- Supplemental Aug 2024Completed
DC Department of Buildings
Safety and environment
FEMA natural hazard risk
Relatively 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: Unknown, 4249 Wisconsin Ave Nw (1,500 ft), open. 1 still open. Ask whether groundwater or soil vapor testing was done.
EPA UST Finder, leaking underground storage tank releases
Brownfield site
900 ft
4025 Chesapeake Street Property. Former industrial land in EPA's cleanup and reuse program.
EPA ACRES Brownfields
Historic listing nearby
250 ft
Sears, Roebuck and Company Department Store 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
550 ft
138 kV line run by POTOMAC ELECTRIC POWER CO.
HIFLD transmission lines
Radon potential
High
Average indoor levels here can exceed 4 pCi/L, EPA's action level. A $15 test kit settles it before you buy.
EPA and USGS Geologic Radon Potential Map
Wildfire risk
Very Low
Wildfire risk is low enough that standard home insurance usually covers it.
FEMA National Risk Index
Nearest public schools
500 ft
Janney ES (500 ft), Jackson-Reed HS (800 ft), Deal MS (2,050 ft). Confirm the assigned school with the district.
U.S. Department of Education, NCES
Major airport
7.0 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 Wisconsin 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.
- Knock on a neighboring door and ask two things: what bothers them most often, and what work is planned for the building.
- Schedule a viewing on a weekday too, between 6:00 and 7:30 PM, the window when the building is busiest: neighbors, parking, elevator.
- Look at the stairwell (cleanliness, smell) and the association's notice board: unpaid dues, conflicts, recent decisions.
- Ask for the latest maintenance bill from a winter month, not a summer one: that's where the real cost of living there shows up.
- Ask specifically where you'd park: is there paid city parking, who currently holds it, what the permit costs, and how long the waitlist is.
Neighborhood recommendations are derived from public OpenStreetMap data and may be incomplete. Checking in person is still what matters most.
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