Homebuilder recommendation $300-400K (ex-land) 2023 in Kansas City

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Hello - I am considering to tear down my existing home and build a new custom home.  The house is located in West Plaza, lot is small 3700 sqft, but I have seen 3 bed/ 3 bath new construction being built in the similar sized lots in my neighborhood (e.g. 4727 Liberty St, Plaza Heights, etc).  Could you recommend a homebuilder that I should look into, who may be able to build a home in $300-400K range (excluding the land, but including the teardown cost)?  Also, how long does a new construction take nowadays - from design to permit to actual construction? Thanks!