Article 20 — Industrial Use Regulations
Sonoma County Municipal Code · 2026-09 edition · updated 2026-09-27 · Sonoma County
New Code Existing Code Ordinance History
26-20-010 - Purpose of Article - -
26-20-020 - Animal Product 26-04-020(g) (Ord. No. 6255, § IV, 1-8-2019; Ord. No. 6245, § II, 10-16-2018; Ord. No. 6189, § II(C), 12-20- Processing 2016; Ord. No. 5964, § III, 1-31-2012; Ord. No. 5569 § 7, 2005; Ord. No. 5435 § 2(c), 2003; A. Definition Ord. No. 5429 § 3, 2003; Ord. No. 5361 § 2(i), 2002; Ord. No. 5342 § 4, 2002; Ord. No. 4973 § B. Standards 3(b), 1996; Ord. No. 4781 § 2(B), 1994; Ord. No. 4643, 1993.) C. Findings
26-06-020(h) (Ord. No. 6255, § V, 1-8-2019; Ord. No. 6245, § II, 10-16-2018; Ord. No. 6189, § II(C), 12-20-
2016; Ord. No. 6145, § V, 3-15-2016; Ord. No. 5964, § IV, 1-31-2012; Ord. No. 5908, § II, 11-9-
2010; Ord. No. 5569 § 7, 2005; Ord. No. 5435 § 2(c), 2003; Ord. No. 5429 § 3, 2003; Ord. No.
5361 § 2(j), 2002; Ord. No. 5342 § 5, 2002; Ord. No. 5265, § 1(c), 2001; Ord. 4973 § 3(b), 1996;
Ord. No. 4781 § 2(B), 1994; Ord. No. 4643, 1993; Ord. No. 3662.)
26-08-020(h) (Ord. No. 6255, § V, 1-8-2019; Ord. No. 6245, § II, 10-16-2018; Ord. No. 6189, § II(C), 12-20-
2016; Ord. No. 6145, § V, 3-15-2016; Ord. No. 5964, § V, 1-31-2012; Ord. No. 5908, § II, 11-9-
2010; Ord. No. 5569, § 7, 2005; Ord. No. 5435, § 2(g), 2004; Ord. No. 5429, § 3, 2003; Ord. No.
5361, § 2(k), 2002; Ord. No. 5342, § 5, 2002; Ord. No. 5265, § 1(e), 2001; Ord. No. 4973, § 3(b),
1996; Ord. No. 4781, § 2(B), 1994; Ord. No. 4643, 1993; Ord. No. 3662.)
26-10-020(s) (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6189, §§ II(C), (L), 12-20-2016; Ord. No. 6145, § V, 3-
15-2016; Ord. No. 5964, § VI, 1-31-2012; Ord. No. 5908, § II, 11-9-2010; Ord. No. 5651 § 1(u),
2006; Ord. No. 5569 § 7, 2005; Ord. No. 5435 § 2(i), 2003; Ord. No. 5429 § 3, 2003; Ord. No.
5361 § 2(l), 2002; Ord. No. 5342 § 5, 2002; Ord. No. 5265 § 1(g), 2001; Ord. No. 4973 § 4(b),
(c), 1996; Ord. No. 4781 § 2(B), 1994; Ord. No. 4643, 1993.)
26-40-020(f) (Ord. No. 5569 § 7, 2005; Ord. No. 5435 § 2(ee), 2003; Ord. No. 4973 § 9(b), (c), 1996; Ord. No. 4643, 1993.)
26-48-020(f) (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6189, § II(C), 12-20-2016; Ord. No. 5933, § II(d), 5-
10-2011; Ord. No. 5711 § 6 (Exh. G), 2007: Ord. No. 5435 § 2(mm), 2003; Ord. No. 5429 § 5,
2003; Ord. No. 4973 § 10(b), (c), 1996; Ord. No. 4643, 1993; Ord. No. 3805; Ord. No. 3349.)
26-20-030 - Fertilizer Plants new definition - A. Definition B. Standards C. Findings
26-04-020(g) (Ord. No. 6255, § IV, 1-8-2019; Ord. No. 6245, § II, 10-16-2018; Ord. No. 6189, § II(C), 12-20-
2016; Ord. No. 5964, § III, 1-31-2012; Ord. No. 5569 § 7, 2005; Ord. No. 5435 § 2(c), 2003;
Ord. No. 5429 § 3, 2003; Ord. No. 5361 § 2(i), 2002; Ord. No. 5342 § 4, 2002; Ord. No. 4973 §
3(b), 1996; Ord. No. 4781 § 2(B), 1994; Ord. No. 4643, 1993.)
26-06-020(h) (Ord. No. 6255, § V, 1-8-2019; Ord. No. 6245, § II, 10-16-2018; Ord. No. 6189, § II(C), 12-20-
2016; Ord. No. 6145, § V, 3-15-2016; Ord. No. 5964, § IV, 1-31-2012; Ord. No. 5908, § II, 11-9-
2010; Ord. No. 5569 § 7, 2005; Ord. No. 5435 § 2(c), 2003; Ord. No. 5429 § 3, 2003; Ord. No.
5361 § 2(j), 2002; Ord. No. 5342 § 5, 2002; Ord. No. 5265, § 1(c), 2001; Ord. 4973 § 3(b), 1996;
Ord. No. 4781 § 2(B), 1994; Ord. No. 4643, 1993; Ord. No. 3662.)
26-08-020(h) (Ord. No. 6255, § V, 1-8-2019; Ord. No. 6245, § II, 10-16-2018; Ord. No. 6189, § II(C), 12-20-
2016; Ord. No. 6145, § V, 3-15-2016; Ord. No. 5964, § V, 1-31-2012; Ord. No. 5908, § II, 11-9-
2010; Ord. No. 5569, § 7, 2005; Ord. No. 5435, § 2(g), 2004; Ord. No. 5429, § 3, 2003; Ord. No.
5361, § 2(k), 2002; Ord. No. 5342, § 5, 2002; Ord. No. 5265, § 1(e), 2001; Ord. No. 4973, § 3(b),
1996; Ord. No. 4781, § 2(B), 1994; Ord. No. 4643, 1993; Ord. No. 3662.)
26-10-020(s) (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6189, §§ II(C), (L), 12-20-2016; Ord. No. 6145, § V, 3-
15-2016; Ord. No. 5964, § VI, 1-31-2012; Ord. No. 5908, § II, 11-9-2010; Ord. No. 5651 § 1(u),
2006; Ord. No. 5569 § 7, 2005; Ord. No. 5435 § 2(i), 2003; Ord. No. 5429 § 3, 2003; Ord. No.
5361 § 2(l), 2002; Ord. No. 5342 § 5, 2002; Ord. No. 5265 § 1(g), 2001; Ord. No. 4973 § 4(b),
(c), 1996; Ord. No. 4781 § 2(B), 1994; Ord. No. 4643, 1993.)
26-40-020(f) (Ord. No. 5569 § 7, 2005; Ord. No. 5435 § 2(ee), 2003; Ord. No. 4973 § 9(b), (c), 1996; Ord. No.
4643, 1993.)
26-48-020(f) (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6189, § II(C), 12-20-2016; Ord. No. 5933, § II(d), 5-
10-2011; Ord. No. 5711 § 6 (Exh. G), 2007: Ord. No. 5435 § 2(mm), 2003; Ord. No. 5429 § 5,
2003; Ord. No. 4973 § 10(b), (c), 1996; Ord. No. 4643, 1993; Ord. No. 3805; Ord. No. 3349.)
26-20-040 - Laboratories 26-44-010(j) (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6191, § V(Exh. D), 1-24-2017; Ord. No. 6189, § II(B), A. Definition 12-20-2016; Ord. No. 5435 § 2(hh), 2003; Ord. No. 5342 § 3, 2002; Ord. No. 4973 § 10(a), (b), B. Standards 1996; Ord. No. 4643, 1993.)
26-46-010(f) (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6191, § V(Exh. D), 1-24-2017; Ord. No. 6189, § II(B),
12-20-2016; Ord. No. 5883, § IV, 3-30-2010; Ord. No. 5435 § 2(jj), 2003; Ord. No. 5342 § 3,
2002; Ord. No. 4973 § 10(a), 1996; Ord. No. 4643, 1993.)
26-48-010(n) (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6191, § V(Exh. D), 1-24-2017; Ord. No. 6189, § II(B),
12-20-2016; Ord. No. 5435 § 2(ll), 2003; Ord. No. 5342 § 3, 2002; Ord. No. 4973 § 10(a), 1996;
Ord. No. 4643, 1993.)
26-50-010(n) (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6191, § V(Exh. D), 1-24-2017; Ord. No. 6189, § II(B), 12-20-2016; Ord. No. 5435 § 2(nn), 2003; Ord. No. 5342 § 3, 2002; Ord. No. 4973 § 10(a), 1996; Ord. No. 4643, 1993.)
26-20-050 - Laundry Plants new definition - A. Definition B. Standards
26-46-020 (f) (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6189, § II(C), 12-20-2016; Ord. No. 5933, § II(c), 5-
10-2011; Ord. No. 5883, § IV, 3-30-2010; Ord. No. 5569 § 8, 2005; Ord. No. 5435 § 2(kk), 2003;
Ord. No. 5429 § 5, 2003; Ord. No. 4973 § 10(b), (c), 1996; Ord. No. 4643, 1993; Ord. No. 3805;
Ord. No. 2840; Ord. No. 2936.)
26-48-020 (d) (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6189, § II(C), 12-20-2016; Ord. No. 5933, § II(d), 5-
10-2011; Ord. No. 5711 § 6 (Exh. G), 2007: Ord. No. 5435 § 2(mm), 2003; Ord. No. 5429 § 5,
2003; Ord. No. 4973 § 10(b), (c), 1996; Ord. No. 4643, 1993; Ord. No. 3805; Ord. No. 3349.)
26-50-020 (f) (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6189, § II(C), 12-20-2016; Ord. No. 5933, § II(e), 5-
10-2011; Ord. No. 5711 § 6 (Exh. G), 2007: Ord. No. 5435 § 2(pp), 2003; Ord. No. 4973 § 10(b),
(c), 1996; Ord. No. 4643, 1993; Ord. No. 2936; Ord. No. 2840.)
26-20-070 - 26-44-010 (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6191, § V(Exh. D), 1-24-2017; Ord. No. 6189, § II(B), Manufacturing/Processing, (a)(b)(c)(d)(e)(f)(g) 12-20-2016; Ord. No. 5435 § 2(hh), 2003; Ord. No. 5342 § 3, 2002; Ord. No. 4973 § 10(a), (b),
Light 1996; Ord. No. 4643, 1993.) A. Definition B. Standards
26-46-010 (g) (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6191, § V(Exh. D), 1-24-2017; Ord. No. 6189, § II(B),
12-20-2016; Ord. No. 5883, § IV, 3-30-2010; Ord. No. 5435 § 2(jj), 2003; Ord. No. 5342 § 3,
2002; Ord. No. 4973 § 10(a), 1996; Ord. No. 4643, 1993.)
26-48-010 (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6191, § V(Exh. D), 1-24-2017; Ord. No. 6189, § II(B),
(a) (b) (d) (e) (f) (g) (i) 12-20-2016; Ord. No. 5435 § 2(ll), 2003; Ord. No. 5342 § 3, 2002; Ord. No. 4973 § 10(a), 1996;
Ord. No. 4643, 1993.)
26-50-010 (g) (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6191, § V(Exh. D), 1-24-2017; Ord. No. 6189, § II(B),
12-20-2016; Ord. No. 5435 § 2(nn), 2003; Ord. No. 5342 § 3, 2002; Ord. No. 4973 § 10(a),
1996; Ord. No. 4643, 1993.)
26-20-080 - 26-34-010(f)(g) (Ord. No. 6223, § XV, 5-8-2018; Ord. No. 6191, § V(Exh. D), 1-24-2017; Ord. No. 6145, § IV, 3- Manufacturing/Processing, 15-2016; Ord. No. 5883, § IV, 3-30-2010; Ord. No. 5435 § 29(x), 2003; Ord. No. 5342 § 3, 2002; Medium Ord. No. 4973 § 9(a), 1996; Ord. No. 4643, 1993.) A. Definition B. Standards
26-44-010 (h) (i) (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6191, § V(Exh. D), 1-24-2017; Ord. No. 6189, § II(B),
12-20-2016; Ord. No. 5435 § 2(hh), 2003; Ord. No. 5342 § 3, 2002; Ord. No. 4973 § 10(a), (b),
1996; Ord. No. 4643, 1993.)
26-46-010 (b) (c) (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6191, § V(Exh. D), 1-24-2017; Ord. No. 6189, § II(B),
12-20-2016; Ord. No. 5883, § IV, 3-30-2010; Ord. No. 5435 § 2(jj), 2003; Ord. No. 5342 § 3,
2002; Ord. No. 4973 § 10(a), 1996; Ord. No. 4643, 1993.)
26-48-010 (c) (h) (k) (l) (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6191, § V(Exh. D), 1-24-2017; Ord. No. 6189, § II(B),
12-20-2016; Ord. No. 5435 § 2(ll), 2003; Ord. No. 5342 § 3, 2002; Ord. No. 4973 § 10(a), 1996;
Ord. No. 4643, 1993.)
26-50-010 (b) (c) (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6191, § V(Exh. D), 1-24-2017; Ord. No. 6189, § II(B), 12-20-2016; Ord. No. 5435 § 2(nn), 2003; Ord. No. 5342 § 3, 2002; Ord. No. 4973 § 10(a), 1996; Ord. No. 4643, 1993.)
26-20-090 - Recycling 26-02-140 (Ord. No. 6247, § II(Exh. A), 10-23-2018; Ord. No. 6245, § II(Exh. A), 10-16-2018; Ord. No. Collection Facilities 6191, § IV(Exh. C), 1-24-2017; Ord. No. 6189, § II(A)(Exh. A-1), 12-20- 2016; Ord. No. 6140, § A. Definition II(Exh. B), 1-5-2016; Ord. No. 6145, § II(Exh. A), 3-15-2016; Ord. No. 6089, § I(a), 11-24-2014; B. Standards Ord. No. 6085, § II(Exh. A), 10-7-2014; Ord. No. 6081, § II, 7-29-2014; Ord. No. 6046, § II(a), 9- 10-2013; Ord. No. 5964, § II, 1-31-2012; Ord. No. 5933, § II(a), 5-10-2011; Ord. No. 5908, § II, 11-9-2010; Ord. No. 5883, § II, 3-30-2010; Ord. 5790 § 1(a)—(e), 2008; Ord. No. 5715 § 2, 2007; Ord. No. 5711 § 2 (Exh. A), 2007; Ord. No. 5695 § 1, 2006; Ord. No. 5651 § 1(a)—(s) 2006; Ord. No. 5569 § 2, 2005; Ord. No. 5537 § 2(a), 2004; Ord. No. 5435 § 2(a), 2003; Ord. No. 5429 § 2, 2003; Ord. No. 5342 § 2, 2002; Ord. No. 5265 § 1(a), 2001; Ord. No. 5009 § 1(B), 1997; Ord. No. 4991 § 1(b) — (g), 1996; Ord. No. 4985 § 1 (a), 1996; Ord. No. 4973 § 2(a), (b), 1996; Ord. No. 4906 § 8, 1995; Ord. No. 4839 § 1(A), 1994; Ord. No. 4781 § 2(A), 1994; Ord. No. 4723 § 1(a), 1993; Ord. No. 4653 § 1(a, b), 1993; Ord. No. 4643, 1993; Ord. No. 3805; Ord. No. 3615; Ord. No. 3465; Ord. No. 3376; Ord. No. 3349; Ord. No. 3340.)
26-30-010 (f) (Ord. No. 3805.)
26-32-010 (f) (Ord. No. 3805.)
26-34-010 (j) (Ord. No. 3805.)
26-36-010 (g) (Ord. No. 3805.)
26-46-010 (j) Ord. No. 3805.)
26-48-010 (q) Ord. No. 3805.)
26-50-010 (j) Ord. No. 3805.)
26-20-100 - Recycling 26-02-140 (Ord. No. 6247, § II(Exh. A), 10-23-2018; Ord. No. 6245, § II(Exh. A), 10-16-2018; Ord. No. Processing Facility 6191, § IV(Exh. C), 1-24-2017; Ord. No. 6189, § II(A)(Exh. A-1), 12-20- 2016; Ord. No. 6140, § A. Definition II(Exh. B), 1-5-2016; Ord. No. 6145, § II(Exh. A), 3-15-2016; Ord. No. 6089, § I(a), 11-24-2014; B. Standards Ord. No. 6085, § II(Exh. A), 10-7-2014; Ord. No. 6081, § II, 7-29-2014; Ord. No. 6046, § II(a), 9- 10-2013; Ord. No. 5964, § II, 1-31-2012; Ord. No. 5933, § II(a), 5-10-2011; Ord. No. 5908, § II, 11-9-2010; Ord. No. 5883, § II, 3-30-2010; Ord. 5790 § 1(a)—(e), 2008; Ord. No. 5715 § 2, 2007; Ord. No. 5711 § 2 (Exh. A), 2007; Ord. No. 5695 § 1, 2006; Ord. No. 5651 § 1(a)—(s) 2006; Ord. No. 5569 § 2, 2005; Ord. No. 5537 § 2(a), 2004; Ord. No. 5435 § 2(a), 2003; Ord. No. 5429 § 2, 2003; Ord. No. 5342 § 2, 2002; Ord. No. 5265 § 1(a), 2001; Ord. No. 5009 § 1(B), 1997; Ord. No. 4991 § 1(b) — (g), 1996; Ord. No. 4985 § 1 (a), 1996; Ord. No. 4973 § 2(a), (b), 1996; Ord. No. 4906 § 8, 1995; Ord. No. 4839 § 1(A), 1994; Ord. No. 4781 § 2(A), 1994; Ord.
No. 4723 § 1(a), 1993; Ord. No. 4653 § 1(a, b), 1993; Ord. No. 4643, 1993; Ord. No. 3805; Ord. No. 3615; Ord. No. 3465; Ord. No. 3376; Ord. No. 3349; Ord. No. 3340.)
26-20-110 - Storage: 26-02-140 (Ord. No. 6247, § II(Exh. A), 10-23-2018; Ord. No. 6245, § II(Exh. A), 10-16-2018; Ord. No. Contractor's Storage Yard 6191, § IV(Exh. C), 1-24-2017; Ord. No. 6189, § II(A)(Exh. A-1), 12-20- 2016; Ord. No. 6140, § A. Definition II(Exh. B), 1-5-2016; Ord. No. 6145, § II(Exh. A), 3-15-2016; Ord. No. 6089, § I(a), 11-24-2014; B. Standards Ord. No. 6085, § II(Exh. A), 10-7-2014; Ord. No. 6081, § II, 7-29-2014; Ord. No. 6046, § II(a), 9- 10-2013; Ord. No. 5964, § II, 1-31-2012; Ord. No. 5933, § II(a), 5-10-2011; Ord. No. 5908, § II, 11-9-2010; Ord. No. 5883, § II, 3-30-2010; Ord. 5790 § 1(a)—(e), 2008; Ord. No. 5715 § 2, 2007; Ord. No. 5711 § 2 (Exh. A), 2007; Ord. No. 5695 § 1, 2006; Ord. No. 5651 § 1(a)—(s) 2006; Ord. No. 5569 § 2, 2005; Ord. No. 5537 § 2(a), 2004; Ord. No. 5435 § 2(a), 2003; Ord. No. 5429 § 2, 2003; Ord. No. 5342 § 2, 2002; Ord. No. 5265 § 1(a), 2001; Ord. No. 5009 § 1(B), 1997; Ord. No. 4991 § 1(b) — (g), 1996; Ord. No. 4985 § 1 (a), 1996; Ord. No. 4973 § 2(a), (b), 1996; Ord. No. 4906 § 8, 1995; Ord. No. 4839 § 1(A), 1994; Ord. No. 4781 § 2(A), 1994; Ord. No. 4723 § 1(a), 1993; Ord. No. 4653 § 1(a, b), 1993; Ord. No. 4643, 1993; Ord. No. 3805; Ord. No. 3615; Ord. No. 3465; Ord. No. 3376; Ord. No. 3349; Ord. No. 3340.)
26-20-120 - Storage: New definition - Manufactured Home Storage A. Definition B. Standards
26-20-130 - Storage: Personal New definition - Storage A. Definition B. Standards
26-20-140 - Storage: Vehicle, New definition - Boat, and RV Storage
26-34-020 (j) (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6189, § II(C), 12-20-2016; Ord. No. 5933, § II(h), 5-
10-2011; Ord. No. 5883, § IV, 3-30-2010; Ord. 5790 § 1(j), 2008; Ord. No. 5569 §§ 5, 7, 2005;
Ord. No. 5435 § 2(y), 2003; Ord. No. 5429 § 2(y), 2003; Ord. No. 4973 § 9(b), (c), 1996; Ord. No.
4643, 1993.)
26-20-150 - Storage: New definition - Warehouses A. Definition B. Standards
26-34-010 (m) (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6189, § II(C), 12-20-2016; Ord. No. 5933, § II(h), 5- 10-2011; Ord. No. 5883, § IV, 3-30-2010; Ord. 5790 § 1(j), 2008; Ord. No. 5569 §§ 5, 7, 2005; Ord. No. 5435 § 2(y), 2003; Ord. No. 5429 § 2(y), 2003; Ord. No. 4973 § 9(b), (c), 1996; Ord. No. 4643, 1993.)
26-20-160 - Storage: New definition - Wholesale and Distribution A. Definition B. Standards
26-20-170 - Wrecking and New definition - Salvage Yards A. Definition B. Standards
26-34-012 (j) (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6189, § II(C), 12-20-2016; Ord. No. 5933, § II(h), 5-
10-2011; Ord. No. 5883, § IV, 3-30-2010; Ord. 5790 § 1(j), 2008; Ord. No. 5569 §§ 5, 7, 2005;
Ord. No. 5435 § 2(y), 2003; Ord. No. 5429 § 2(y), 2003; Ord. No. 4973 § 9(b), (c), 1996; Ord. No.
4643, 1993.)
26-46-00 (d) (Ord. No. 6245, § II, 10-16-2018; Ord. No. 6189, § II(C), 12-20-2016; Ord. No. 5933, § II(c), 5-
10-2011; Ord. No. 5883, § IV, 3-30-2010; Ord. No. 5569 § 8, 2005; Ord. No. 5435 § 2(kk), 2003;
Ord. No. 5429 § 5, 2003; Ord. No. 4973 § 10(b), (c), 1996; Ord. No. 4643, 1993; Ord. No. 3805;
Ord. No. 2840; Ord. No. 2936.)
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