Sunnyslope Manor is open for you to visit. The community is located at E. Ruth Ave, Phoenix. The professional leasing staff is eager to assist you in finding your dream home. To view the latest floorplans, schedule a visit. Call us today or visit our showroom. Sunnyslope Manor, an apartment in Maricopa County is located at the 85020 Zip Code. The Washington Elementary School District (4260), is the area's attendance zone.