The prototype for "P/N S54, Beattie’s Grocery" is located in French Camp. California, a small town located south of Stockton.
The store has been closed for many years.
I occassionaly stopped by in the early 1990's to purchase snacks, when I was employed at the near by hospital.
https://www.recordnet.com/article/20040424/A_NEWS/304249968
A picture of the store is headding for article about French Camp
https://www.mantecabulletin.com/news/french-camp-started-as-a-trapping-outpost/
Judging from the recent Gogle view, the building has undergone extensive repairs
https://www.google.com/maps/@37.8845654,-121.270911,3a,75y,61.73h,76.31t/data=!3m6!1e1!3m4!1stXDI2L5k-ooCvOc7Le481w!2e0!7i16384!8i8192

I enjoyed building the model, it brought back memories of the time I lived and worked in San Joaguin County.
Maybe you will consider a really unique building and make a model of the Chinese Tong building that is still standing near downtown Stockton,
https://www.recordnet.com/article/20140127/A_NEWS0803/401270309
and
https://www.google.com/maps/place/Chinese+Benevolent+Association/@37.9501184,-121.2871043,3a,75y,200.5h,90t/data=!3m7!1e1!3m5!1sqmISV0GYlZ1pdvRuuYmvOA!2e0!6s%2F%2Fgeo0.ggpht.com%2Fcbk%3Fpanoid%3DqmISV0GYlZ1pdvRuuYmvOA%26output%3Dthumbnail%26cb_client%3Dsearch.gws-prod.gps%26thumb%3D2%26w%3D86%26h%3D86%26yaw%3D200.49812%26pitch%3D0%26thumbfov%3D100!7i16384!8i8192!4m12!1m6!3m5!1s0x0:0x305c66099a0bd3dc!2sChinese+Benevolent+Association!8m2!3d37.9500087!4d-121.2871372!3m4!1s0x0:0x305c66099a0bd3dc!8m2!3d37.9500087!4d-121.2871372
or the Japanese Hospital building
https://en.wikipedia.org/wiki/Nippon_Hospital#:~:text=The%20Nippon%20Hospital%20is%20a,populations%20in%20the%20United%20States.
or model one of the buildings which were once stores, gambling halls and places that provided women's services to lonely men from the pioneer Chinese era in Locke, California.
https://www.google.com/maps/@38.25037,-121.5095963,3a,75y,350.31h,90.78t/data=!3m6!1e1!3m4!1s2zf0nG7v3_4luFR8klbwIQ!2e0!7i13312!8i6656

A better URL for Main Street, Locke, Calfornia.
https://www.google.com/maps/@38.2502772,-121.5095698,3a,75y,340.31h,82.73t/data=!3m6!1e1!3m4!1sUZ57iAjl5sH0Dg-m2SMJlw!2e0!7i13312!8i6656
This gives a good impression of what Old West towns actually looked like.