Cities Index.
Attachment 3 - SOI Standards Analysis

Coronado City Council
November 5, 2024

Document
Attachment 3 - SOI Standards Analysis
Meeting
November 5, 2024
Body
Coronado City Council
Original file
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Text extracted from the city's file for reading and search. Open the original on coronado.primegov.com. That file is the official record.

Modifications
Recommended Not Recommended Is guidance met (green), partially met (yellow), not met (red), or not applicable (gray)?
1944 - Landscape Wall and Workshop Addition (SW Elevation) This guidance is not applicable as neither a landscape wall or workshop are typically uses that would be placed on the interior of a building.
1966 - Landscape Wall (E Side)
This guidance is not applicable as a landscape wall is not typically a use that would be placed on the interior of a building. 1967 - Three Bedroom, Two Bath Addition (SW Side)
This guidance is not met, as the 3 bedroom 2 bathroom addition was placed in a new addition at the rear of the property. However, it is possible that the property owner determined that existing interior spaces could not be adequately modified to accommodate the additional bedrooms and bathrooms.
1969 - Three Car Garage (W Side)
This guidance is not applicable as interior spaces of a building are not appropriate to accommodate garage use.
1983 - Porch and Pantry (NW Side)
This guidance is not met, as the porch and pantry were
constructed at the exterior of the building, infilling a corner. 1944 - Landscape Wall and Workshop Addition (SW Elevation) This guidance is met, as both of these modifications are placed in the southwest corner of the property, at the rear and on the alley, in a non-character defining location, and the size and scale of each element is appropriate.
1966 - Landscape Wall (E Side)
This guidance is met, as the wall is placed appropriately at the property line and is limited in size and scale, and does not negatively impact the visibility of the building or the historic character of the property.
1967 - Three Bedroom, Two Bath Addition (SW Side)
This guidance is met, as the addition is placed toward the rear of the property at the southeastern corner, and despite its two story height, is clearly secondary to the historic building as viewed from the primary elevation and does not negatively impact the historic character of the property.
1969 - Three Car Garage (W Side)
This guidance is met as the garage addition was placed at the west side of the property facing the alley, which is an appropriate location for this use and does not adversely impact the building as viewed from the primary elevation, nor does it negatively impact the historic character of the property.
1983 - Porch and Pantry (NW Side)
This guidance is not met, as the porch and pantry were
constructed on a primary elevation, however the size and scale of the modification are very small in comparison to the original building.
1944 - Landscape Wall and Workshop Addition (SW Elevation) This guidance is met as the wall and workshop were constructed without obscuring, damaging, or destroying the original building. 1966 - Landscape Wall (E Side)
This guidance is met as the wall was constructed without obscuring, damaging, or destroying the original building.

SOIS Guidance for New Additions
Expanding the size of the historic
building by constructing a new addition
when requirements for the new use
could be met by altering non-characterdefining interior spaces.

Placing functions and services
required for a new use (including
elevators and stairways) in
secondary or non-character-defining
interior spaces of the historic
building rather than constructing a
new addition.

Constructing a new addition on or
adjacent to a primary elevation of the
building which negatively impacts the
building’s historic character.

Constructing a new addition on a
secondary or non-character defining
elevation and limiting its size and
scale in relationship to the historic
building.

Attachment 3
1967 - Three Bedroom, Two Bath Addition (SW Side)
This guidance is met as the addition was constructed without obscuring, damaging, or destroying the original building with the exception of an original wall and window on the rear elevation. 1969 - Three Car Garage (W Side)
This guidance is met as the garage was constructed without obscuring, damaging, or destroying the original building. 1983 - Porch and Pantry (NW Side)
This guidance is only partially met, as the porch and pantry was constructed in a manner that obscures a small corner on the primary north facing elevation. However, the addition is very small in scale and the vast majority of the primary north elevation is not obscured, damaged, or destroyed by the modification.
1944 - Landscape Wall and Workshop Addition (SW Elevation) This guidance is met as the wall and workshop were designed and constructed using exterior materials that are compatible with the original building but is differentiated from the building through the use of different, but compatible, roof material.
1966 - Landscape Wall (E Side)
This guidance is met as the wall was designed and constructed using compatible materials, but is differentiated through the use of wrought iron details that are not seen on the original building. 1967 - Three Bedroom, Two Bath Addition (SW Side)
This guidance is met as the design and materials used are compatible with the historic style of the original building, but differentiation is seen through stylistic choices. The roof of the addition is clad in red clay tiles, but the roof is differentiated by use of squared-off roof beams at the gable which are not present on the original house. Additionally, the addition features a fascia board at the roof eave, rather than rounded rafter tails that are seen on the original house. Windows at the addition include casement windows to continue the pattern from the original building, but large picture windows typical to the mid century are used at the front of the addition.
1969 - Three Car Garage (W Side)
This guidance is met. The garage addition is compatible to the main building in massing, scale, and materials, but is
differentiated from the building through the use of contrasting roof materials and wide lap horizontal siding rather than matching the red tile roof and brick siding of the original building. A parapet at the roof line further delineates where the original house ends and the garage addition begins.
1983 - Porch and Pantry (NW Side)
This guidance is met, as the construction of the porch and pantry include shallower roof slopes that are not seen elsewhere on the original building, and a wall joint is seen at the location where the corner was infilled to accommodate the pantry.
1944 - Landscape Wall and Workshop Addition (SW Elevation) This guidance is met, as the wall and workshop were constructed at the rear, southwest corner, of the property and the
modifications are subordinate and secondary to the original building.
1966 - Landscape Wall (E Side)
This guidance is met as the wall was constructed with compatible materials, massing, scale, etc. and is subordinate and secondary to the original building.

Ensuring that the addition is
subordinate and secondary to the
historic building and is compatible in
Attaching a new addition in a manner
that obscures, damages, or destroys
character defining features of the
historic building.

Constructing a new addition that
results in the least possible loss of
historic materials so that characterdefining features are not obscured, damaged, or destroyed.

Designing a new addition that is
significantly different and, thus,
incompatible with the historic building.

Duplicating the exact form, material,
style, and detailing of the historic
building in a new addition so that the
new work appears to be historic.

Designing a new addition that is
compatible with the historic building.

Using the same forms, materials,
and color range of the historic
building in a manner that does not
duplicate it, but distinguishes the
addition from the original building.

Basing the alignment, rhythm, and
size of the window and door
openings of the new addition on
those of the historic building.

Considering the design for a new
addition in terms of its relationship to
the historic building as well as the
historic district, neighborhood, and
setting.

Ensuring that the addition is
stylistically appropriate for the
historic building type.

Considering the design for a new
addition in terms of its relationship to
the historic building as well as the
historic district, neighborhood, and
setting.

Attachment 3
1967 - Three Bedroom, Two Bath Addition (SW Side)
This guidance is partially met. While the addition is visible from the street rights of way on 1st Street and H Avenue, it is placed at the rear southeastern corner of the property and is clearly secondary to the historic building, particularly as viewed from the primary facade elevation on 1st Street. While the addition is two stories in height, it is placed well back from the front facade and does not visually overwhelm the original building. A recess visually separates the two story addition from the linear one story mass of the original building.
1969 - Three Car Garage (W Side)
This guidance is met. The garage is placed on the alley, is compatible in massing, scale, materials, etc. and is subordinate and secondary to the original building. A change in materials and a parapet at the roof line further delineates where the original house ends and the garage addition begins.
1983 - Porch and Pantry (NW Side)
This guidance is met, as the porch and pantry addition is small in scale and is subordinate and secondary to the original building. A wall joint visually separates the addition from the original wall plane.

Constructing a new addition that is as
large as or larger than the historic
building, which visually overwhelms it
(i.e., results in the diminution or loss of
its historic character).
gp
massing, scale, materials,
relationship of solids to voids, and
color.

Incorporating a simple, recessed,
small-scale hyphen, or connection,
to physically and visually separate
the addition from the historic
building.

Distinguishing the addition from the
original building by setting it back
from the wall plane of the historic
building.

Attachment 3

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