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What Are You Allowed to Build at 218 Thomsen Rd, Lathrop, CA, 95330?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,200 sq ft allowed By Right, or possibly more by Special Permit.

In Home Apartment

(Conversion or Addition)

Probably Allowed
This property meets the requirements for an Internal ADU of up to 1,080 sq ft allowed By Right, or possibly more by Special Permit.

Swimming Pool

Probably Not Allowed
This property likely does not meet the zoning requirements for a swimming pool. A variance or other zoning relief may be required. Final feasibility may depend on site-specific conditions and local interpretation.

Single Family

Probably Not Allowed
The existing home is allowed as a legally nonconforming structure. However, the lot does not meet current zoning requirements for new Single-Family construction. A variance or other zoning relief may be requested.

Multi Family

Home Addition

Probably Allowed
We estimate you can expand this property under current zoning rules. We weren't able to identify a specific size limit, but an addition may be possible horizontally, vertically, or both, depending on design and permitting.

Property facts

Streetview picture of 218 Thomsen Rd, Lathrop, CA, 95330

Zoning Jurisdiction

LATHROP

Parcel ID

19673038

Property Type

Single Family

Zone

R-1-6

Year Built

2006

Lot Size

4,101 sq ft

Gross Building Area

1,879 sq ft

Gross Floor Area

2,160 sq ft

Estimated

Living Area

2,160 sq ft

Basement Area

0 sq ft

Impervious Surface

1,879 sq ft

Estimated
45.8%of lot coverage

ADU rules for Lathrop, CA

Based on public data and AI. Check with a pro. Read More

© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.

What Are You Allowed to Build at 218 Thomsen Rd, Lathrop, CA, 95330?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,200 sq ft allowed By Right, or possibly more by Special Permit.

In Home Apartment

(Conversion or Addition)

Probably Allowed
This property meets the requirements for an Internal ADU of up to 1,080 sq ft allowed By Right, or possibly more by Special Permit.

Swimming Pool

Probably Not Allowed
This property likely does not meet the zoning requirements for a swimming pool. A variance or other zoning relief may be required. Final feasibility may depend on site-specific conditions and local interpretation.

Single Family

Probably Not Allowed
The existing home is allowed as a legally nonconforming structure. However, the lot does not meet current zoning requirements for new Single-Family construction. A variance or other zoning relief may be requested.

Multi Family

Home Addition

Probably Allowed
We estimate you can expand this property under current zoning rules. We weren't able to identify a specific size limit, but an addition may be possible horizontally, vertically, or both, depending on design and permitting.

Property facts

Streetview picture of 218 Thomsen Rd, Lathrop, CA, 95330

Zoning Jurisdiction

LATHROP

Parcel ID

19673038

Property Type

Single Family

Zone

R-1-6

Year Built

2006

Lot Size

4,101 sq ft

Gross Building Area

1,879 sq ft

Gross Floor Area

2,160 sq ft

Estimated

Living Area

2,160 sq ft

Basement Area

0 sq ft

Impervious Surface

1,879 sq ft

Estimated
45.8%of lot coverage

ADU rules for Lathrop, CA

Based on public data and AI. Check with a pro. Read More

© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.