How Much Does a Nanny Cost?

Updated on October 1, 2026 | Written by Alec Pow
This article was researched using 14 sources. See our methodology and corrections policy.

A full-time nanny in the United States costs about $3,770 to $4,550 per month in gross wages for a 40-hour week. Care.com puts the current national benchmark at $870 per week, while UrbanSitter reports $26.24 per hour in its 2026 nanny pricing data. Families should budget above wages because employer payroll taxes, overtime, driving, benefits, and agency fees can raise the household cost.

A nanny is a household employee providing recurring in-home child care, so the monthly employer budget can combine wages, payroll taxes, overtime, mileage, benefits, and hiring costs. The IRS governs federal household-employer tax treatment, the U.S. Department of Labor sets federal overtime rules for covered domestic workers, and the International Nanny Association publishes employment and hiring guidance. Care.com and UrbanSitter provide current market-rate benchmarks. Schedule, city, child count, duties, experience, and the employment package determine where a family lands within or beyond the national range.

Article Highlights

• Current 2026 national benchmarks put a 40-hour nanny near $3,770 to $4,550 (at $30 per hour, earning that amount would take about 3.1 to 3.8 full-time workweeks, before taxes) per month in gross wages.
• A four-week shortcut understates a weekly nanny budget because a year contains 52 weeks, not 48.
• Employer payroll taxes can add close to 10% of gross wages in many household payroll budgets, with state variation.
• Five weekly overtime hours at a $21.75 base rate raise modeled monthly wages to about $4,477.
• Agency placement fees and work-related driving can add separate first-year or recurring costs.

How Much Is a Nanny Per Month?

The lower benchmark already cited is $870 (about 3.6 full-time workdays at $30 per hour) per week, equal to about $21.75 per hour for 40 hours. Converting that weekly figure with 52 weeks divided across 12 months gives $3,770 per month. That annualized method is more accurate for budgeting than multiplying one week by four. The four-week shortcut gives $3,480 per month, which is $290 lower each month and $3,480 lower across a year than the same weekly rate actually produces.

The higher benchmark already cited is $26.24 per hour. Multiplying that rate by 40 weekly hours and 52 weeks gives about $54,579 per year in gross wages. Dividing the same annual figure by 12 works out to about $4,548 per month. The two current inputs support a useful wage band of roughly $3,770 to $4,550 per month for a 40-hour schedule. The spread is wide enough to make local rate checks worthwhile before a family sets a hiring budget. That band describes gross pay, not the family’s complete employer cost. Taxes, overtime, driving, and benefits sit on top of wages when they apply.

What the Monthly Price Covers

A nanny price normally buys scheduled in-home childcare rather than a block of occasional babysitting hours. The job can include feeding children, school or activity transportation, naps, play, homework support, children’s laundry, and light tasks tied to the children. The quoted hourly rate does not automatically include unrelated housekeeping, family-assistant work, extensive cooking for adults, overnight coverage, travel days, or use of the nanny’s own vehicle. A broader job description can support a higher rate because the family is buying more labor and responsibility within each paid hour.

The schedule also defines what a monthly number means. A 30-hour nanny and a 40-hour nanny cannot be compared by salary alone. Families should record the hourly rate, standard weekly hours, overtime treatment, paid leave, driving expectations, and any guaranteed hours in the work agreement. A live-in arrangement should be priced separately from live-out work because housing and residence change the compensation package.

For cost planning, the safest comparison keeps the same weekly hours and job scope before comparing two candidates or two care formats. That prevents a lower monthly figure from appearing cheaper only because it contains fewer paid hours or fewer duties.

Taxes Raise the Household Budget

The IRS says a household worker is an employee when the household controls the work and how it is done, sets the covered cash-wage threshold at $3,000 (about 2.5 full-time workweeks at $30 per hour) for 2026, gives the employer Social Security and Medicare share as 7.65%, and describes federal and state unemployment-tax duties that may apply. Those employer-side charges are separate from the nanny’s gross wage. They also explain why take-home pay and employer cost should never be treated as the same monthly number.

Care.com HomePay says payroll taxes often approach 10% of gross wages, with the actual amount changing by state. Applying that planning allowance to $3,770 in monthly wages adds about $377 per month, bringing the recurring wage-plus-tax model to roughly $4,147 per month.

Applying the same allowance to $4,548 adds about $455, taking the model to about $5,003 per month. These are planning figures, not tax returns. State unemployment charges and available childcare tax benefits can change the household’s actual net cost. Families should use their state rules and payroll facts when replacing the planning allowance with an actual budget.

Hours Can Change the Cost 

The Department of Labor says covered domestic employees receive overtime after 40 hours in a workweek and treats on-duty time as paid work when a nanny must remain responsible for a child. At a $21.75 base rate, five overtime hours cost $32.63 per hour. A 45-hour week then costs about $1,033, not $979 from simply multiplying all 45 hours by the regular rate.

Annualizing that weekly overtime schedule produces about $4,477 per month in wages. The schedule contains 12.5% more hours than a 40-hour week, yet wages rise about 18.8% because the extra five hours receive the overtime premium. That gap matters most for families whose workdays regularly extend beyond eight paid hours. Guaranteed hours can also keep the weekly paycheck stable when the family chooses not to use all scheduled time.

The International Nanny Association describes guaranteed weekly hours as a set number of paid hours reserved for the family. Families with changing travel or work calendars should treat those reserved hours as a budget commitment rather than assuming unused time will always reduce monthly pay.

Location and Experience 

Geography can move the hourly rate enough to change the monthly budget by four figures. Care.com reports posted starting nanny rates from $18.37 per hour in San Antonio to $29.17 per hour in San Francisco. At 40 hours a week, every $1 per hour change in the agreed wage changes annualized monthly pay by about $173. A $5 per hour difference changes it by about $867 per month before employer taxes. A national benchmark is a starting point rather than a local quote.

Experience and job scope matter inside the same city. Infant care, multiple children, complex schedules, travel, family-assistant duties, specialized credentials, and driving can support higher pay. A candidate with a narrower childcare-only role may quote less than a career nanny handling travel logistics and broader household duties.

The useful comparison is hourly compensation matched to the same responsibilities and weekly hours. Families should also separate cash wages from benefits. Paid vacation, sick time, health stipends, retirement contributions, and other benefits are part of compensation, but they do not belong inside the headline hourly wage unless the offer explicitly combines them.

Extra Costs Beyond Wages

Driving can create a recurring cost when a nanny uses a personal vehicle for work. The IRS revised its optional business mileage benchmark to 76 cents per mile for qualifying mileage from July 1 through December 31, 2026. If a family uses that benchmark for 60 work miles each week, the modeled reimbursement is about $198 per month.

At 100 work miles each week, it is about $329 per month. A family may use a different reimbursement arrangement, so these figures are budgeting cases rather than a universal nanny charge.

Agency hiring costs belong in a different bucket because they are usually one-time placement expenses rather than monthly wages. The International Nanny Association says placement agencies may charge $800 to $8,000 or more.

Spread across the first 12 months, that fee range is equivalent to about $67 to $667 or more per month during year one, even though the agency does not bill it as a monthly fee. Payroll service fees, background screening, benefits, backup care, and travel can add other costs. Keeping one-time hiring expenses separate from recurring employment expenses makes first-year and later-year budgets easier to compare.

Three Monthly Nanny Budgets

The three cases below use the same $21.75 per hour base wage already established from Care.com’s national benchmark. They also use a 10% employer-tax planning allowance already described above. The 45-hour case applies the federal overtime method discussed earlier. These are modeled budgets built from sourced inputs, not reported invoices from individual families.

Schedule	Monthly wages	10% employer-tax allowance	Modeled recurring total
30 hours each week	$2,828	$283	$3,111
40 hours each week	$3,770	$377	$4,147
45 hours with five overtime hours	$4,477	$448	$4,925

The 40-hour case can be turned into an itemized household budget by adding a driving assumption. Gross wages are $3,770 per month. A 10% employer-tax allowance adds $377. Sixty work miles each week at 76 cents per mile add about $198. The modeled recurring total becomes about $4,345 per month. It excludes agency placement, health benefits, payroll service fees, workers’ compensation premiums, bonuses, and unusual travel.

This model also exposes two useful budgeting effects. Moving from 30 to 40 weekly hours raises the wage-plus-tax model by about $1,037 per month. Moving from 40 to 45 hours raises it by about $778 per month even before driving, because the five added hours receive overtime pay. Families comparing jobs with different schedules should normalize the hours before deciding which monthly offer is cheaper.

Nanny vs Other Child Care

A private nanny costs more than many center-based arrangements because one household is buying a caregiver’s scheduled time. Care.com lists private, share, and daycare costs at $870 per week, $580 per week, and $332 per week, respectively. Using 52 weeks divided by 12 for every option gives about $3,770 per month for the private nanny, $2,513 per month for the share, and $1,439 per month for daycare. The common conversion method matters because mixing four-week and annualized months can distort the comparison.

Price is only one part of the decision. A nanny provides in-home care and a schedule tied to one household. A share divides a nanny’s attention and cost across families. Daycare spreads staffing and facility costs across a larger group. Availability, child age, commute, hours, sick-care policies, and the number of children can change which format fits a household.

Makes sense if

• You need dependable in-home coverage built around your work schedule.
• You value one caregiver handling care inside your home.
• Multiple children make the household-level comparison closer.
• Your budget can absorb wages, payroll obligations, and schedule commitments.

Does not make sense if

• Your main goal is the lowest monthly childcare bill.
• A daycare schedule already covers the hours you need.
• You need only occasional care rather than reserved weekly hours.
• Agency and employer costs make short-term private care too expensive.

Answers to Common Questions

How much is a nanny for 40 hours a week?

Current national benchmarks support about $3,770 to $4,550 per month in gross wages before employer taxes, benefits, mileage, and placement expenses.

How much should I add for nanny taxes?

A useful planning allowance is close to 10% of gross wages in many states, but the actual employer cost depends on federal and state rules.

Does a nanny get overtime after 40 hours?

Covered live-out domestic employees receive time-and-one-half after 40 hours in a workweek under federal rules.

Is a nanny share cheaper than a private nanny?

The cited 2026 Care.com case is $580 per week for a share versus $870 per week for a private nanny, before household-specific extras.

Do agency fees recur every month?

Placement fees are commonly one-time hiring costs. For budgeting, spreading them across the first year can show how much they raise the effective first-year monthly cost.