Chatham Zoning For Expansion

By mark-slade February 3, 2013

Taking clients to Chatham today we encountered a lovely home. The first floor was incredible with room after room and lots of light. The second floor, in comparison, came off a bit on the “tighter” side of impressions. This lead to checking out what my clients might be able to do with regard to expanding the second floor foot print. So, here is the research:

Residential Building Coverage, Floor Area, and Lot Coverage

Building Coverage : The total area of all building footprints on the lot. Include all areas that have a roof.

Floor Area: Includes all floors of all buildings and garages (no matter where they are located). Basements are not included.

Lot Coverage: Includes all improvements on a lot, not just impervious coverage. Essentially, this includes everything except lawn, woods, and shrubbery.

You may use this table to calculate your own maximums based upon your lot size, but you should still consult with the Zoning Officer to make certain there are not circumstances peculiar to your property. You should do this before you engage a design professional. All figures are in square feet.

Lot Area Max Bldg                           Floor Area Max

Coverage Max Residential                                    Lot Coverage

3,000                    600                                   1,050                                   1,260
4,000                    800                                   1,400                                   1,680
5,000                   1,000                                 1,750                                    2,100
6,000                   1,180                                  2,065                                    2,478
7,000                   1,300                                  2,275                                    2,730
8,000                   1,420                                 2,485                                    2,982
9,000                   1,510                                  2,643                                    3,171
10,000                 1,600                                 2,800                                   3,360
11,000                  1,685                                  2,949                                    3,539
12,000                 1,765                                  3,089                                    3,707
13,000                 1,840                                 3,220                                    3,864
14,000                 1,910                                  3,343                                    4,011
15,000                 1,975                                  3,456                                    4,148
16,000                 2,040                                 3,570                                     4,284
17,000                 2,105                                  3,684                                     4,421
18,000                 2,170                                  3,798                                     4,557
19,000                 2,235                                  3,911                                      4,694
20,000                2,300                                 4,025                                     4,830
21,000                 2,360                                 4,130                                     4,956
22,000                2,420                                 4,235                                     5,082
23,000                2,480                                 4,340                                    5,208
24,000                2,540                                 4,445                                     5,334
25,000                2,600                                 4,550                                     5,460
26,000                2,660                                 4,655                                     5,586
27,000                2,720                                 4,760                                     5,712

If your Lot Size falls between the whole numbers, interpolate the Building Area, Floor Area, and Lot Coverage to your lot size. For lots over 27,000 square feet, consult with the Zoning Officer.

PS: I gotta say, I like my crest better than Chatham’s, LOL:

Mark Slade
Keller Williams
917.797.5059
Good Homes

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