The purpose of the open space (OS) district is to protect as open space, lots, or portions of lots, that are (A) most properly kept as open space; (B) needed as a greenbelt or buffer along significant river and creekside corridors or around important natural features; or (C) kept in open space for health or safety reasons. This district is consistent with the natural resource protection-open space (N-O) general plan land use designation. This district may also be applied to other areas to protect significant river or creekside corridor habitat areas or other important natural areas, or to properties where development should be limited due to health or safety reasons.

(Ord. 99-1 § 24, 1999; prior code § 5.02.070 (A))

The following uses are permitted outright in the OS district:

A.

Forest management;

B.

Low-intensity recreational uses which require only minor improvements, such as a nonmotorized fishing and/or hunting club that does not provide food service and/or lodging facilities.

C.

Agricultural uses.

(Ord. 99-1 § 25, 1999; prior code § 5.02.070 (B))

The following uses are permitted in the OS district if a zoning permit is issued, and subject to the provisions of Sections 17.88.170 through 17.88.196:

A.

Home occupation with no customer service vehicle trips.

(Ord. 99-1 § 26, 1999; Ord. 95-3 § 22, 1995)

(Ord. No. 2018-01, § 7, 7-17-2018)

The following uses are permitted in the OS district if an administrative permit is issued, and subject to the provisions of Sections 17.88.200 through 17.88.235:

A.

One-family residence, or mobile home, in lieu of a one-family residence, provided the parcel is forty acres or larger in size; otherwise the T district must be combined;

B.

Home occupation with customer vehicle trips;

C.

Small family day care home or Large family day care home;

D.

Family care residence;

E.

Second one-family residence; provided, the site conforms to the applicable general plan land use densities and parcel size limitations of the district for two dwelling units.

F.

Supportive housing;

G.

Transitional housing;

H.

One accessory dwelling when the lot has a primary dwelling unit (see Section 17.88.132);

I.

Employee housing directly associated with and necessary to the principal use of the property.

(Ord. 99-1 § 27, 1999; Ord. 95-3 § 23 (part), 1995: prior code § 5.02.070 (C))

(Ord. No. 2018-01, § 7, 7-17-2018)

The following uses are permitted in the OS district if a use permit is issued:

A.

Golf course;

B.

Playground;

C.

Commercial riding stable or riding academy.

(Ord. 99-1 § 28, 1999; Ord. 95-3 § 23 (part), 1995; prior code § 5.02.070 (D))

The following other uses are permitted in the OS district:

A.

The uses allowed by, and subject to the provisions of, Sections 17.88.010 through 17.88.110, if accessory to a legally established residence, Sections 17.88.130 through 17.88.150;

B.

Other uses found to be similar in character and impact to those listed in Sections 17.16.020 and 17.16.040, as determined in accordance with Section 17.94.030.

(Ord. 99-1 § 29, 1999; prior code § 5.02.070 (E))

The following site development standards apply in the OS district:

A.

Minimum Lot Area. Minimum lot area is twenty acres if designated in the general plan as natural resource protection-open space (N-O). If applied as a greenbelt or buffer, the lot size shall be as shown on a recorded parcel or final map, use permit or specific plan, or shall otherwise be indicated on the zoning map.

B.

Yards. The following yard requirements apply, except as otherwise provided in Section 17.84.020:

1.

Front, thirty feet;

2.

Side, thirty feet;

3.

Rear, thirty feet.

C.

Maximum Structural Height. The following structural height restrictions apply, except as otherwise provided in Section 17.84.030:

1.

Main building, thirty-five feet;

2.

Accessory building:

a.

If less than fifty feet from any property line: twenty feet;

b.

If at least fifty feet, but less than seventy feet, from any property line: twenty-five feet;

c.

If at least seventy feet, but less than ninety feet, from any property line: thirty feet;

d.

If at least ninety feet from any property line: thirty-five feet.

D.

Parking. Parking requirements are as specified in Chapter 17.86.

(Ord. 99-1 § 30, 1999; Ord. 95-3 § 12 (part), 1995; prior code § 5.02.070 (F))