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Hillsboro Lawn Care & Landscape Services

If you own a yard in the Silicon Forest, you already know the local pattern: heavy clay in the Tualatin Valley bottom, wet gray winters that grow moss faster than grass, and a dry summer stretch that forces the irrigation question every July. This page covers Hillsboro lawn care the way a working contractor would brief you: real per-cut pricing tied to BLS wage data for the Portland metro, the cool-season grass mixtures Oregon State University recommends for the wet west side of the Cascades, the City of Hillsboro water rebates that genuinely pay for irrigation upgrades, and the Oregon Landscape Contractors Board license every legitimate landscape construction business in Washington County must hold. HMNDP is building a vetted contractor directory for Hillsboro and the surrounding metro, launching Q3 2026.

The short version

  • USDA hardiness zone 8b to 9a, roughly 37 to 43 inches of annual rainfall concentrated October through May, with a mowing season that runs March into November on cool-season turf.
  • Typical residential per-cut runs $40 to $70 depending on lot size, with full-program annual contracts (mow plus fertilization plus moss control) landing between $1,700 and $3,800.
  • Oregon Landscape Contractors Board license is required for landscape construction; the individual professional license plus a business license, a $20,000 surety bond, and liability insurance are mandatory. Maintenance-only mowing is not state-regulated.
  • City of Hillsboro Water runs strong outdoor rebates: up to $500 for a WaterSense weather-based irrigation controller, plus a free landscape irrigation audit, and rebates covering 50 percent of project cost up to $2,500.
  • Coverage zones include Orenco Station, Tanasbourne, AmberGlen, Reedville, and Witch Hazel, plus adjoining Washington County.
  • HMNDP’s Hillsboro directory launches Q3 2026. Contractors apply at partners@hmndp.org.

Hillsboro lawn care pricing in 2026

The honest baseline for Hillsboro pricing starts with what crews actually cost. The U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics for the Portland-Vancouver-Hillsboro MSA (area code 38900) shows landscaping and groundskeeping workers (SOC 37-3011) carrying a median hourly wage of about $22.33 in the metro, with first-line supervisors of landscaping crews (SOC 37-1012) running several dollars higher. The metro release is published at https://www.bls.gov/oes/current/oes_38900.htm, and O*NET mirrors the same figures at https://www.onetonline.org/link/localwages/37-3011.00. Add payroll tax, the high Oregon workers’ compensation rate for landscape classes, equipment depreciation, fuel, and insurance, and the loaded cost for a two-person crew lands roughly between $90 and $125 an hour.

That floor drives the per-cut math. Hillsboro lots span a wide range: dense new construction in Orenco Station and South Hillsboro runs small, often 4,000 to 6,000 square feet, while older Reedville and rural-edge properties run larger. A standard maintained lawn of 3,000 to 5,000 square feet runs about $40 to $65 per visit on a weekly growing-season cycle, dropping to every other week in late fall.

Service tier Per-visit Annual program What is included
Basic mow and edge (under 5,000 sqft turf) $40 to $60 $1,700 to $2,300 Weekly spring and summer mow, blow, edge; biweekly late fall
Standard residential (5,000 to 9,000 sqft turf) $60 to $90 $2,300 to $3,200 Mow, edge, blow, light shrub trim, seasonal fertilization
Premium full-service (over 9,000 sqft, moss program, aeration) $90 to $140 $3,200 to $4,800 Above plus spring and fall aeration, overseed, moss control, lime
Drip irrigation install (retrofit) n/a $1,800 to $5,500 project Controller, valves, emitters, mainline, backflow device

Moss control is the Pacific Northwest line item that surprises out-of-state buyers. Wet winters, shade, low soil pH, and the heavy Tualatin Valley clay all favor moss over turf, so most full-program contracts in Hillsboro build in spring and fall moss treatment plus a lime application, adding $150 to $400 to the annual contract. For homeowners pricing a season, our 2026 lawn care cost benchmarks put these figures in national context.

Why climate shapes everything in Hillsboro

Hillsboro shares the Portland International Airport climate station, the National Weather Service reference point for the metro, which records a 1991 to 2020 annual precipitation near 37 inches; the Tualatin Valley floor where Hillsboro sits tends to run in the high 30s to low 40s. NOAA’s National Centers for Environmental Information publishes the full normals at https://www.ncei.noaa.gov/access/us-climate-normals/. The metro sits in USDA Plant Hardiness Zone 8b to 9a under the 2023 revised map from the USDA Agricultural Research Service; verify at https://planthardiness.ars.usda.gov.

That profile means three things for any lawn program. First, nearly all the rain falls October through May, so the real irrigation challenge is the dry summer window from July into September, when an unirrigated cool-season lawn goes brown and dormant. Second, the metro averages only about 16 days a year reaching the 90s, so the dominant stressor is winter moisture and the fungal disease and moss it drives, not heat. Third, the long wet shoulder seasons keep grass growing into late autumn, stretching the mowing season from March into November.

Grass types that work in Hillsboro

West of the Cascades, Oregon State University Extension recommends cool-season mixtures, not warm-season turf. The most planted lawns around Hillsboro combine perennial ryegrass, fine fescue, and Kentucky bluegrass: perennial ryegrass for fast germination and wear tolerance, fine fescue for shade and lower water demand, and Kentucky bluegrass for rhizomatous self-repair. OSU Extension details the agronomy in “Practical Lawn Care for Western Oregon” (EC 1521) and its grass-selection guidance at https://extension.oregonstate.edu/gardening/lawn.

Water use differs by species, and OSU irrigation research quantifies it: tall fescue needs only 26 to 43 percent ET replacement for acceptable quality, perennial ryegrass 32 to 49 percent, Kentucky bluegrass 45 to 50 percent, and fine fescues the most at 58 to 96 percent. The OSU irrigation publication EM 9311 documents these rates at https://extension.oregonstate.edu/catalog/em-9311-irrigation-rates-frequencies-western-eastern-oregon-turfgrass. For a Hillsboro homeowner trying to keep the summer bill down, a perennial ryegrass and tall fescue blend is the practical low-input choice.

For homeowners who want to step off the irrigation treadmill, fine fescue can be left unirrigated to go summer-dormant and recover with fall rain, and no-mow fescue blends and native meadow plantings are increasingly common on larger Washington County lots toward Reedville and the rural fringe. Our guide to drought-tolerant lawn alternatives covers the trade-offs for the Pacific Northwest dry summer.

Soil and irrigation design in Hillsboro

Soil is the quiet driver of most Hillsboro lawn problems, and the Tualatin Valley clay is the headline. The Natural Resources Conservation Service Web Soil Survey at https://websoilsurvey.nrcs.usda.gov maps the dominant series across the valley floor as Helvetia, Cornelius, and Quatama, silt loams and silty clay loams with a clay-rich, slowly permeable subsoil. Drainage is moderate to poor, soil pH commonly runs 5.2 to 6.0, and surface compaction is widespread on newer construction lots where topsoil was stripped during grading. The low pH and poor drainage are exactly what moss prefers and what turf does not, which is why annual lime and core aeration are standard practice here rather than optional add-ons.

The agronomic answer is fall core aeration to relieve compaction and open the heavy soil, a lime application to push pH toward the 6.0 to 6.5 range turf prefers, and a balanced fertility program. OSU Extension’s “Fertilizing Lawns” (EC 1278) recommends total annual nitrogen of roughly 2 to 4 pounds per 1,000 square feet for a maintained cool-season lawn, split between spring and fall. Our NPK fertilizer guide explains how to read those ratios for cool-season turf.

Irrigation design has to fit both the heavy clay and the summer-only demand window. Because winter and spring rain handle most of the year, a Hillsboro system runs hard only from late June into September, and the slow-draining clay loam makes cycle-and-soak programming essential to prevent runoff and puddling. The EPA WaterSense Weather-Based Irrigation Controller specification at https://www.epa.gov/watersense/weather-based-irrigation-controllers identifies controllers that schedule automatically off local weather, and our drip irrigation install guide covers retrofitting beds and borders.

Hillsboro water rules and rebates

The City of Hillsboro Water Department bills on a fixed monthly charge plus tiered consumption, with a low-use first tier (0 to 4 ccf) priced lowest to reward conservation. The rate pages are at https://www.hillsboro-oregon.gov/our-city/departments/water/water-rate-information. The structure means summer irrigation pushes households into higher-priced tiers, which is the clearest financial reason to run a tuned, weather-based controller in July and August.

Hillsboro stands out among Portland-metro utilities for outdoor rebates. Its Water Efficiency Rebate program pays 50 percent of project cost up to $2,500, with funding available each year starting in July until exhausted. The outdoor-specific incentives include up to $500 for a WaterSense-labeled weather-based irrigation controller and a free landscape irrigation audit performed by Hillsboro Water staff, plus indoor rebates of $75 per WaterSense high-efficiency toilet. The full program is at https://www.hillsboro-oregon.gov/our-city/departments/water/conservation-sustainability/water-efficiency-rebates. For homeowners, the free audit plus controller rebate is a rare combination that makes an irrigation upgrade close to cost-neutral.

A WaterSense weather-based controller paired with cycle-and-soak scheduling can cut summer irrigation 20 to 30 percent, and in Hillsboro the rebate plus the savings from staying out of the top tiers makes the upgrade one of the highest-return moves a homeowner can make. See https://www.epa.gov/watersense for the controller specification and our WaterSense smart irrigation explainer.

Licensing for Hillsboro landscape contractors

Oregon regulates landscape construction through the Oregon Landscape Contractors Board, not a general contractor board. Any business performing landscape construction work for compensation (installing irrigation, building patios and retaining walls, planting, grading) must hold both an individual landscape construction professional license and a landscape contracting business license. Requirements include four years of qualifying experience or equivalent education, passing the LCB exam, a $20,000 surety bond, and proof of liability insurance. The board’s license pages are at https://www.oregon.gov/lcb/pages/license-requirements.aspx.

One important distinction: landscape maintenance (mowing, edging, blowing, basic upkeep) is not regulated by the LCB, so a mow-and-blow business does not need a state landscape license. A maintenance business may replace trees only when the replacement value of all labor and materials stays under $500. That line matters when you hire someone to install irrigation or build hardscape, because that work legally requires the LCB license. The board explains the boundary at https://www.oregon.gov/lcb/Pages/FAQ-License-Required.aspx.

For pesticide applications (pre-emergent crabgrass control, broadleaf herbicides, turf fungicides for the wet-climate diseases common here) Oregon requires a license from the Oregon Department of Agriculture’s Pesticides Program. Insurance minimums to ask any Hillsboro contractor: general liability of at least $1 million per occurrence plus workers’ compensation as required under Oregon law. Verify both with a current Certificate of Insurance and check the LCB license number live before the first invoice. Our vetting checklist walks through what to demand on paper.

HOAs and Hillsboro landscape design standards

Oregon does not have a statewide HOA turf or water preemption law of the kind passed in Florida, Texas, or Nevada, so front-yard landscape rules in Hillsboro are governed by individual community CC&Rs rather than by state statute. The newer master-planned districts (Orenco Station, AmberGlen, and the growing South Hillsboro communities) tend to carry detailed landscape standards: maintained front lawns, approved plant lists, and architectural-committee review of major hardscape and irrigation changes. Older Reedville and the rural-edge properties carry far fewer restrictions.

Because Oregon leans toward water conservation generally, homeowners converting lawn to low-water native plantings rarely face the kind of HOA conflict seen in drought-litigated states, but it remains worth confirming any association rules before a major redesign. Contractors who know the CC&R conventions for a specific Hillsboro community save homeowners money on rejected plans, and most established local operators carry that knowledge for the subdivisions they serve.

Neighborhoods covered

HMNDP’s Hillsboro directory covers contractors serving Orenco Station and the transit-oriented core along the MAX Blue Line, the Tanasbourne and AmberGlen retail and residential corridor on the east side, the established Reedville area to the southeast, the newer Witch Hazel and South Hillsboro communities to the south, and the older downtown and Jackson School neighborhoods. Coverage extends across Washington County into adjacent Aloha, Beaverton’s western edge, and the Forest Grove and Cornelius areas, which share the same Tualatin Valley clay, the same cool-season agronomy, and the same contractor pool.

Find a vetted Hillsboro contractor

HMNDP applies a five-layer vetting filter to every contractor listed: Oregon LCB license verified live against the state board when the work is landscape construction, current Certificate of Insurance on file, BBB and Google review minimums, sample-project documentation, and reference calls with two recent residential customers. The Hillsboro directory launches in Q3 2026.

If you are a homeowner looking for guidance before the launch, our pillar guides on how to find a reputable landscaper and hardscape contractor vetting are the starting points, especially for paver patios, retaining walls, and irrigation systems where the LCB license is mandatory.

For Hillsboro contractors

If you operate a licensed landscape business serving Washington County and want to appear in the HMNDP Hillsboro directory at launch, email partners@hmndp.org with your Oregon LCB number (or a clear statement that you are maintenance-only), service area, insurance certificate, and three customer references. We verify each item before listing, and we tag construction-licensed firms separately from maintenance-only operators so homeowners can match the right business to the job.

Related coverage

For homeowners planning a season, start with our 2026 lawn care cost benchmarks and the NPK fertilizer guide for cool-season turf. If you are measuring a yard to get accurate bids, use how to measure lawn square footage. For irrigation upgrades, see how to install drip irrigation and the EPA WaterSense smart irrigation explainer, which pairs well with Hillsboro’s controller rebate. When you are ready to hire, the hardscape contractor vetting playbook covers the paperwork to demand.

Methodology

This page synthesizes wage data from the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics survey (May 2024 release, Portland-Vancouver-Hillsboro MSA) and O*NET local wages, climate normals from NOAA’s National Centers for Environmental Information for the Portland station, USDA Plant Hardiness Zone designations from the 2023 revised map, turfgrass and irrigation guidance from Oregon State University Extension, soil series from the NRCS Web Soil Survey, licensing data from the Oregon Landscape Contractors Board and the Oregon Department of Agriculture, and water-rule and rebate details from the City of Hillsboro Water Department. Data verified as of June 17, 2026. Rate schedules and rebate eligibility change by cycle; confirm with the relevant authority before quoting a project.

Sources and References

  • U.S. Bureau of Labor Statistics, OEWS Portland-Vancouver-Hillsboro: https://www.bls.gov/oes/current/oes_38900.htm
  • O*NET Local Wages, Landscaping and Groundskeeping Workers: https://www.onetonline.org/link/localwages/37-3011.00
  • NOAA National Centers for Environmental Information, U.S. Climate Normals: https://www.ncei.noaa.gov/access/us-climate-normals/
  • USDA Plant Hardiness Zone Map (2023): https://planthardiness.ars.usda.gov
  • Oregon State University Extension, Lawn and Turfgrass: https://extension.oregonstate.edu/gardening/lawn
  • OSU Extension EM 9311, Irrigation Rates and Frequencies for Oregon Turfgrass: https://extension.oregonstate.edu/catalog/em-9311-irrigation-rates-frequencies-western-eastern-oregon-turfgrass
  • NRCS Web Soil Survey: https://websoilsurvey.nrcs.usda.gov
  • Oregon Landscape Contractors Board, License Requirements: https://www.oregon.gov/lcb/pages/license-requirements.aspx
  • Oregon Landscape Contractors Board, Work Requiring a License: https://www.oregon.gov/lcb/Pages/FAQ-License-Required.aspx
  • City of Hillsboro Water Rate Information: https://www.hillsboro-oregon.gov/our-city/departments/water/water-rate-information
  • City of Hillsboro Water Efficiency Rebates: https://www.hillsboro-oregon.gov/our-city/departments/water/conservation-sustainability/water-efficiency-rebates
  • U.S. EPA WaterSense: https://www.epa.gov/watersense
  • EPA WaterSense Weather-Based Irrigation Controller Specification: https://www.epa.gov/watersense/weather-based-irrigation-controllers