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What Are You Allowed to Build at 230 Trinity St, Eureka, CA, 95501?
Backyard Cottage
(Detached ADU)
This property may qualify for a Detached ADU of up to 1,200 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.
In Home Apartment
(Conversion or Addition)
Probably Allowed
This property meets the requirements for an Internal ADU of up to 1,200 sq ft allowed By Right, or possibly more by Special Permit.
Swimming Pool
Probably Allowed
This property likely meets the zoning requirements to build a swimming pool. Based on applicable zoning limits, the estimated buildable area for a pool. Final feasibility may depend on site-specific conditions and local interpretation.
Single Family
Probably Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 7,078 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.
Multifamily
Home Addition
Probably Allowed
We estimate you can expand this property by up to 4,737 sq ft under current zoning rules. This may allow for a horizontal addition, a vertical addition, or both, depending on design and permitting.
Property facts
Zoning Jurisdiction
EUREKA
Parcel ID
010141003
Property Type
Single Family
Zone
R2
Year Built
1902
Lot Size
5,662 sq ft
Gross Building Area
3,134 sq ft
Gross Floor Area
2,341 sq ft
Living Area
1,549 sq ft
Basement Area
0 sq ft
Impervious Surface
3,134 sq ft
55.3%of lot coverage

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 230 Trinity St, Eureka, CA, 95501?
Backyard Cottage
(Detached ADU)
This property may qualify for a Detached ADU of up to 1,200 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.
In Home Apartment
(Conversion or Addition)
Probably Allowed
This property meets the requirements for an Internal ADU of up to 1,200 sq ft allowed By Right, or possibly more by Special Permit.
Swimming Pool
Probably Allowed
This property likely meets the zoning requirements to build a swimming pool. Based on applicable zoning limits, the estimated buildable area for a pool. Final feasibility may depend on site-specific conditions and local interpretation.
Single Family
Probably Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 7,078 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.
Multifamily
Home Addition
Probably Allowed
We estimate you can expand this property by up to 4,737 sq ft under current zoning rules. This may allow for a horizontal addition, a vertical addition, or both, depending on design and permitting.
Property facts
Zoning Jurisdiction
EUREKA
Parcel ID
010141003
Property Type
Single Family
Zone
R2
Year Built
1902
Lot Size
5,662 sq ft
Gross Building Area
3,134 sq ft
Gross Floor Area
2,341 sq ft
Living Area
1,549 sq ft
Basement Area
0 sq ft
Impervious Surface
3,134 sq ft
55.3%of lot coverage

Based on public data and AI. Check with a pro. Read More
© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.