Lawn Care and Landscaping in Port Jefferson, New York: Costs, Licensed Companies, and When to Hire
We list 12 lawn care and landscaping companies serving Port Jefferson. Mowing here typically runs $37 to $57 a visit and crews bill about $54 an hour for everything else, on a cool-season calendar that puts seeding and aeration in a narrow window each year.
What lawn care costs in Port Jefferson
Bands rather than averages, because a real quote depends on lot size, slope, and how far the crew drives.
| Service | Typical price | Unit | What drives the price |
|---|---|---|---|
| Lawn mowing | $37 to $57 | per visit | Weekly through the growing season on an average quarter-acre lot. |
| Edging and trimming | $12 to $19 | per visit | Usually bundled into a mowing visit rather than billed alone. |
| Fertilizer application | $12 to $19 | per 1,000 sq ft | Slow-release blend, three to five rounds a year. |
| Weed control | $8 to $13 | per 1,000 sq ft | Pre-emergent in spring, post-emergent as broadleaf weeds show. |
| Core aeration | $12 to $19 | per 1,000 sq ft | Once a year, priced higher on compacted clay soil. |
| Overseeding | $21 to $32 | per 1,000 sq ft | Nearly always quoted together with aeration. |
| Grub and insect control | $10 to $15 | per 1,000 sq ft | One preventive round covers most of the season. |
| Dethatching | $10 to $15 | per 1,000 sq ft | Only needed when thatch is over half an inch thick. |
Priced for a city of 7,962 in Suffolk County, outside the major metros.
Compare against national lawn care costs or price your own lawn on the lawn cost estimator.
Services in Port Jefferson
Lawn care companies in Port Jefferson
12 companies match these filters
JDT Landscaping Inc
5.0on Google (1)Port Jefferson Station, NY
JDT Landscaping Inc serves Port Jefferson Station and the surrounding New York area with lawn care and landscaping, with Google reviews going back to 2025, Saturday hours listed, and a published phone number and website.
Kevin James Kelly LLC - Landscaping Services
5.0on Google (34)Port Jefferson, NY
Kevin James Kelly LLC - Landscaping Services serves Port Jefferson and the surrounding New York area with lawn care and landscaping, rated 5.0 by 34 Google reviewers, with Google reviews going back to 2023, and Saturday hours listed.
Organically Green
5.0on Google (207)Port Jefferson, NY
Organically Green serves Port Jefferson and the surrounding New York area with lawn care, rated 5.0 by 207 Google reviewers, with Google reviews going back to 2024, and a published phone number and website.
Rise Up Landscaping Services
5.0on Google (1)Port Jefferson Station, NY
Rise Up Landscaping Services is a lawn care company in Port Jefferson Station, New York, offering lawn care and landscaping, with Google reviews going back to 2025, Saturday hours listed, and a published phone number.
Lawn care(631) 404-8950Five Star Tree & Landcaping Services of Long Island
4.9on Google (42)Port Jefferson Station, NY
Listed in Port Jefferson Station, New York, Five Star Tree & Landcaping Services of Long Island offers lawn care and tree service, rated 4.9 by 42 Google reviewers, with Google reviews going back to 2025, and Saturday hours listed.
Country Estate Turf Care LLC
4.8on Google (26)Mt Sinai, NY
A Mt Sinai lawn care company, Country Estate Turf Care LLC lists lawn care, rated 4.8 by 26 Google reviewers, with Google reviews going back to 2024, and a published phone number and website.
Green is the Color Lawn Care
4.5on Google (47)Setauket- East Setauket, NY
Based in Setauket- East Setauket, New York, Green is the Color Lawn Care covers lawn care, rated 4.5 by 47 Google reviewers, with Google reviews going back to 2020, and a published phone number and website.
Anthony Montani Landscaping
4.4on Google (21)Port Jefferson Station, NY
A Port Jefferson Station lawn care company, Anthony Montani Landscaping lists lawn care and landscaping, rated 4.4 by 21 Google reviewers, with Google reviews going back to 2018, Saturday hours listed, and a published phone number and website.
Dunrite Landscaping
4.0on Google (8)Port Jefferson, NY
A Port Jefferson lawn care company, Dunrite Landscaping lists lawn care and landscaping, with Google reviews going back to 2016, and a published phone number and website.
Lawn Service 4 Less
Port Jefferson Station, NY
Lawn Service 4 Less is a lawn care company in Port Jefferson Station, New York, offering lawn care, with a published phone number.
Lawn care(631) 877-5018Port Jeff clippers landscaping
Port Jefferson, NY
Port Jeff clippers landscaping is a lawn care company in Port Jefferson, New York, offering lawn care and landscaping, with a published phone number.
Lawn care(631) 346-7893Quality Horizon Tree Service & Removal
Port Jefferson, NY
Listed in Port Jefferson, New York, Quality Horizon Tree Service & Removal offers lawn care and tree service, with Saturday hours listed, and a published phone number.
Lawn care(516) 408-7025
Showing 12 of 12
Where these companies are
When to do the work in Port Jefferson
Port Jefferson sits in the Northeast climate region, which runs cool-season lawns. Last frost usually falls April 15-May 1 and first frost October 1-15, and that pair sets every date below.
Grasses that do well here
- Kentucky Bluegrass
- Perennial Ryegrass
- Fine Fescue
- Tall Fescue
| Task | Local window | Why then |
|---|---|---|
| Seed or overseed | Mid August to late September | Soil is still warm enough to germinate seed while air temperatures drop. |
| Fertilize | April, June, September, and early November | The September and November rounds do most of the work on a cool-season lawn. |
| Core aerate | Late August to October | Paired with overseeding so the seed drops into open holes. |
| Pre-emergent for crabgrass | April 1 - May 1 | Go by soil temperature: apply before it holds 55 degrees. |
Problems local crews deal with most: Snow mold, summer stress, crabgrass.
Want the exact soil temperature before you book pre-emergent? Check your ZIP on the soil temperature tracker.
How we verify these companies
- Ratings and review counts come from the platform named
- Hours, ratings, and photos come from public listings and can go stale
Lawn care in Port Jefferson: common questions
How much does lawn care cost in Port Jefferson?
A single mowing visit in Port Jefferson typically runs $37 to $57 for an average quarter-acre lot, and crews bill around $54 an hour for work outside a routine cut. Treatments are quoted per 1,000 square feet: fertilizer and weed control land in the single-digit to low-teens dollars, while core aeration and overseeding cost more because they are once-a-year jobs. Full-season contracts almost always beat per-visit pricing.
Which lawn care company in Port Jefferson should I hire?
Compare the attributed Google and Yelp ratings rather than any single score, check the company actually offers the service you need, and get two quotes for the same scope rather than one. For spray work, ask for the company's pesticide applicator licence number directly: New York requires one for anyone applying herbicide or insecticide for payment, and we have no public register for this state to check it against for you.
Does a lawn care company need a licence in New York?
Yes, for pesticide work. Applying herbicides, insecticides, or fungicides on someone else's property for payment requires a commercial pesticide applicator licence issued by New York, and the licence carries a number and an expiry date. Plain mowing and trimming generally do not require that licence, so a company can be perfectly legitimate for mowing and still not be licensed to spray. Ask which one you are hiring for.
When should I hire a lawn care company in Port Jefferson?
Book before the season starts rather than during it. Port Jefferson runs cool-season lawns, so the calendar that matters is the timing table on this page: pre-emergent goes down off soil temperature in spring, and the seeding and aeration window is the single busiest stretch of the year for local crews. Calling two to three weeks ahead of a window is the difference between getting your date and getting whatever is left.
Is a lawn care service worth it in Port Jefferson?
It depends on which jobs you hand over. Mowing is the easiest thing to do yourself and the most expensive thing to buy repeatedly. Pesticide application is the opposite: it is the job where a licensed applicator with calibrated equipment and the right product beats a homeowner with a hose-end sprayer. Many people in Port Jefferson split it, mowing themselves and buying the treatment rounds.