average price to get a house sided
1 It costs less than $1 a square foot for a do-it-yourself project, or $1,000-$1,250 for 1,250 exterior square feet. 2  Having it professionally installed runs $2-$7 a square foot, or $2,500-$8,750 for 1,250 square feet. 3  Aluminum siding is fireproof and impervious to termites, and can last 35-40 years. Hiring someone to install aluminum siding is $2.50-$3.50 a square foot, or $3,100-$4,500 for 1,250 exterior square feet. 2  Wood siding has a lot of character and style and is relatively easy to install, but because it's vulnerable to weather and insects wood siding requires a lot of regular maintenance.