Article I — Zoning Districts

The following zoning districts are hereby established:

==> picture [425 x 453] intentionally omitted <==

----- Start of picture text -----
Table 1 Zoning Districts
R-1-40,000 Single-Family Residential District, 40,000 sq. ft.
minimum lot size (net)
R-1-20,000 Single -Family Residential District, 20,000 sq. ft.
minimum lot size (net)
R-1-12,500 Single -Family Residential District, 12,500 sq. ft.
minimum lot size (net)
Residential Districts
R-1-6,000 Single -Family Residential District, 6,000 sq. ft.
minimum lot size (net)(1)
R-1-3,500 Single -Family Residential District, 3,500 sq. ft.
minimum lot size (net)(1)
RM Multi-Family Residential District
DR Downtown Residential District
ORM Office and Multi-Family Residential District
Office Districts
MP Medical and Professional Office District
PR Plaza Retail District
CD Downtown Commercial District
Commercial Districts CS Commercial Service District
MU Mixed Use District
GMU Grove Street Mixed Use District
Industrial District I Industrial District
P Public District
Other Districts
O Open Space District
RMP Residential Master Plan District
Special Districts
PD Planned Development District
----- End of picture text -----

Downloaded from https://ecode360.com/HE4475 on 2026-05-11

City of Healdsburg, CA § 20.08.005

HEALDSBURG CODE

§ 20.08.010

Notes:

(1)Except for small lot subdivisions, as provided for by HMC § 20.20.040.

Note: "Net" means the area of a site or lot. It does not include site access corridors, streets or portions of a site within future street plan lines.

(Ord. 950 § 2 (Exh. A § 120), 1998; Ord. 1018 § 2 (Exh. A § 120), 2004; Ord. 1090 § 4 (Exh. B § 120), 2009)

Wherever any uncertainty exists as to the boundary of a zoning district as shown on the Zoning Map, the following regulations shall control:

• A. Where a boundary line is indicated as following a street, alley, or watercourse, it shall be construed as following the centerline thereof.

• B. Where a boundary line follows or coincides approximately with a lot line or a property ownership line, it shall be construed as following the lot line or property ownership line.

• C. Where a boundary line is not indicated as following a street or alley and does not follow or coincide approximately with a lot line or property ownership line, the boundary line shall be determined by the use of the scale designated on the Zoning Map.

• D. Where further uncertainty exists, the planning commission, upon written application or on its own motion, shall determine the location of the boundary line in question, giving due consideration to the location indicated on the Zoning Map and the objectives of the Land Use Code set forth in the zoning district regulations.

• E. Where less than half the area of any single lot or parcel of land lies in a zoning district more restrictive than the district that includes the remainder, the planning commission may permit the regulations of the less restrictive district to be applied to the entire lot or parcel.

• (Ord. 950 § 2 (Exh. A §§ 125, 2775), 1998)

Downloaded from https://ecode360.com/HE4475 on 2026-05-11

City of Healdsburg, CA

LAND USE CODE

§ 20.08.015

§ 20.08.025