Add an irrigation system if it doesn’t already have one. Keep your mower blade sharp, stay on top of the weeds (pull as they appear, pre-emergent herbicide in spring and/or fall, spray as needed with post-emergent). Overseed spring and fall, and fertilize a handful of times per year.
@Delaney
What’s a good automated irrigation system with no digging needs?
It’s a shame he’s not around to answer this post!
Make friends with the owners of the second-best yard in the neighborhood 
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Established lawn shouldn’t need water unless it doesn’t rain much where you are. Also, if you have sandy soil the water percolates away quickly and you would have to water it more.
If you see weeds, attack early.
If a lot of weeds are filling in, turf is getting too thin, so you would weed it and overseed in the fall.
Monitor health. If people drive or walk on it a lot, it may get too compacted, so you would aerate.
Watch the grass. If it starts to brown some it needs help, like fertilizer or other soil amendments.
All about momentum. It has momentum so just keep it going.
Start… Do a soil test with your local extension center/master gardeners.
I would recommend using The Anderson’s fertilizer products called PGF (Professional Grade Fertilizer). You can buy the spring/summer blend as well as the fall blend on Amazon. Excellent product.
God on your side! A riding mower, edger, (gas), and a blower, all commercial grade for that property size. Warm-season grass must be maintained, and you must kill any weeds that try to take over. Looks like with the back of the house it could be an acre or half an acre? Do a soil sample of the front grass, just look up how and where to send it to. That’s a ton of mowing you’ve got ahead of you; maybe a lawn care guy should be consulted and get a quote from.
Feed and water and cut regularly. That’s it.
Mow more often than you think you need to, and water consistently. Use a tuna can to measure how much water your sprinkler/irrigation system puts down at various points, and use that as a guide to get ~1 inch per week, including rain.
For everyone saying mow tall, do we even want to establish what kind of grass it is first or nah?
It’s like copy and paste responses in these threads; kind of strange.
Straighten those lines lol.
Try to ask the prior owner what their program was. Good starting point.
Vic said:
Try to ask the prior owner what their program was. Good starting point.
He’s dead.
Vic said:
Try to ask the prior owner what their program was. Good starting point.
He’s dead.
ALRIGHTY THEN.
Vic said:
Try to ask the prior owner what their program was. Good starting point.
He’s dead.
Seance.