Zoning, building permits and septic rules in Newman, California
Newman is a city in Stanislaus County, California. Newman adopts its own zoning, so inside its limits Newman’s rules apply, not the county’s. 5 rules below are quoted from official sources and independently re-checked, most recently on October 22, 2026. Rules for unincorporated land are on the Stanislaus County page.
Answers from the rulebook for Newman
Newman’s own rules
Building permitRequired
Accessory residential units (second units) added within, attached to, or detached from a detached single-family residence inside Newman city limits. General permit requirements for other construction were not confirmed.
The accessory unit is permitted only upon the building official's issuance of all permits required under the California Building Standards Code as adopted and amended by the city.
Permit-based legalization is also available for units built without city approval before the ADU provisions were adopted (§ 5.23.040 d.).
“one accessory residential unit shall be permitted within, attached to, or detached from a detached single-family residence upon the issuance by the building official of all permits required for compliance with the california building standards code as adopted and amended by the city”
Building code adoptedAdopted
New construction and alterations of buildings inside Newman city limits
Adopts the California Building Code with local amendments, based on the 2024 International Building Code, and the appendices listed in § 4.01.020 (including appendix G flood-resistant construction).
Local amendments are in the adopting ordinance; the Residential Code (chapter 4.20) and Mechanical Code (chapter 4.09) are separate Title 4 chapters not opened in this pass.
Effective-date year shown only as ord. 2025-3 (2025) in the code history; no specific effective date is stated, so effective_at is null.
California Building Code edition adopted: 2025 edition of title 24 part 2 volumes 1 and 2
“those certain documents in book form entitled "california building code – 2025 edition of title 24 part 2 volume 1 and 2,"”
Local zoningPresent (with conditions)
Land inside Newman city limits (City of Newman zoning, Title 5 Zoning of the Newman city code). Not the unincorporated county area.
Title 5 is the city's own zoning title; the zoning districts are established in chapter 5.02 NCC and the general provisions/exceptions in chapter 5.23 apply to them.
District-specific dimensional and use rules were not opened in this research pass (chapter 5.02 and the residential district chapter were not retrieved).
“all regulations in this title pertaining to the districts established in chapter 5.02 ncc are subject to the general provisions, conditions and exceptions in”
Accessory dwellingsLimited
One accessory residential unit on a lot with a detached single-family residence in a residential zoning district inside Newman city limits
Lot must be in a residential zoning district (§ 5.23.040 b.1).
Minimum lot size of 6,000 square feet (§ 5.23.040 b.2).
Owner must reside in either the principal dwelling or the accessory unit; the other unit may be occupied by a family member and/or offered as a rental unit (§ 5.23.040 b.3).
Occupancy of the accessory unit limited to no more than two individuals (§ 5.23.040 b.3).
Residential garage entrances opening on a front or side lot line must be at least 20 feet from that line (§ 5.23.040 b.4).
Size: not more than 640 square feet or 40 percent of the principal dwelling floor area, whichever is smallest; garage/carport area excluded (§ 5.23.040 b.8).
Principal residence must keep at least one bedroom (§ 5.23.040 b.9); accessory unit may be a studio or one-bedroom (§ 5.23.040 b.10).
Architectural style, materials and colors must match the principal residence (§ 5.23.040 b.11).
Applicable property development standards (lot coverage, usable open space, building height, setbacks) must be maintained (§ 5.23.040 b.12).
Separate utility meter required (§ 5.23.040 b.13); no outside stairway to the principal dwelling or accessory unit (§ 5.23.040 b.14).
Adequate water supply and sewage treatment capacity must be available before a building permit is approved (§ 5.23.040 b.15).
Planning director may conduct an annual compliance review (§ 5.23.040 c).
minimum lot size: >= 6000 square feet · maximum accessory unit floor area: <= 640 square feet (or 40 percent of principal dwelling floor area, whichever is smallest) · maximum occupants of accessory unit: <= 2 individuals
“the minimum lot size on which an accessory residential unit may be developed shall be 6,000 square feet.”
Mandatory utility hookupSewer (with conditions)
Any new building or structure with plumbing fixtures inside Newman city limits where a public sewer is available
A public sewer counts as available when it, or any building or exterior drainage facility connected to it, is within 200 feet of any proposed building or exterior drainage facility on a lot that abuts and can be served by the sewer.
Buildings connected to septic tanks when a public sewer becomes available must connect within five years of the ordinance effective date (§ 11.06.050 b.3); a septic-failure trigger requires immediate connection (§ 11.06.050 b.5).
Buildings erected when no public sewer is available must connect within five years after the sewer becomes available (§ 11.06.050 b.3).
Water connection requirements were not located; the value is limited to sewer.
public sewer availability distance: <= 200 feet · connection deadline after sewer becomes available (new construction without sewer): <= 5 years
“every building or structure in the city in which plumbing fixtures are installed shall be connected to the city sewer system where a public sewer is available.”
Still unanswered
We looked and could not find an official answer yet. Silence is not permission; ask Newman or Stanislaus County directly.
Owner-builder exemption — Owner-builder permit exemption for owner-occupied homes inside Newman city limits
Inspections — Building inspections for new homes inside Newman city limits
Certificate of occupancy — Certificate of occupancy for new homes inside Newman city limits
Zoning districts — Zoning district map and district list for land inside Newman city limits
Minimum dwelling size — Minimum floor area for a single-family dwelling inside Newman city limits
18 more unanswered
Minimum lot size
Setbacks
Lot coverage
Building height
Camping on your land
Tiny homes
Who permits septic
Septic permit
Septic inspection
Off-grid sanitation
Well permit
Agricultural exemption
Subdividing land
Driveway access
Building in a floodplain
Short-term rentals
Permit fees
Permit process
Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.
Unanswered questions are usually a sign that Newman publishes no rule on the point, not that none exists. Stanislaus County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Newman means bringing your own water and power. The kit we’d start with:
