How much does CoStar Group pay?

As of Oct 15, 2026, 65 of the 129 open jobs CoStar Group has on Alion state a salary. The median is $100k a year, and the middle half pays $70k to $154k. The best-paid open role is Principal Software Engineer at $297k. CoStar Group pays about 15% below the market for the same roles, levels and countries.

Source: Alion Stated pay only, in USD a year Oct 15, 2026
Median
$100k
Typical range
$70k – $154k
Jobs with pay
65 (50%)
Vs market
−15%

CoStar Group pay against the market

−15% CoStar Group pays about 15% below the market for the same roles, levels and countries.

Each of 52 postings is compared with the median stated pay for its role, level and country across all employers on Alion; the middle ratio, drawn toward the market when few postings back it, gives the figure.

CoStar Group pay by level

LevelJobsMedianTypical range
Middle25$70k$70k – $75k
Senior17$176k$158k – $190k
Junior6$107k$105k – $110k
Intern5$90k$90k
Head+3$100k$85k – $100k

CoStar Group pay by role

RoleJobsMedianTypical range
Sales28$70k$70k – $85k
Backend9$170k$140k – $187k
Data Science4$154k$153k – $190k
Marketing3$158k$128k – $158k
Security3$105k$90k – $105k
Early Careers3$90k$60k – $90k

CoStar Group pay by city

LocationJobsMedianTypical range
Arlington14$150k$97k – $176k
Irvine12$154k$95k – $190k
Richmond10$105k$75k – $140k
Sunnyvale7$104k$90k – $110k
Los Angeles3$95k$70k – $95k

CoStar Group pay by work format

Work formatJobsMedianTypical range
In office50$90k$70k – $120k
Hybrid14$154k$149k – $187k

How pay at CoStar Group is spread

64 of 125 vacancies state a salary (51%). The range below is built from those 64 stated figures only, never from an estimate.

$70k$185k

Questions about pay at CoStar Group

What is the average salary at CoStar Group?

The median salary stated in CoStar Group job postings is $100k a year, across 64 open jobs with pay; the middle half pays $70k to $154k.

How much does CoStar Group pay for Sales roles?

Sales roles at CoStar Group state a median of $70k a year (28 postings with pay, middle half $70k – $85k).

How much does CoStar Group pay for Backend roles?

Backend roles at CoStar Group state a median of $170k a year (9 postings with pay, middle half $140k – $187k).

How much does CoStar Group pay for Data Science roles?

Data Science roles at CoStar Group state a median of $154k a year (4 postings with pay, middle half $153k – $190k).

How much does CoStar Group pay in Arlington?

Jobs at CoStar Group in Arlington state a median of $150k a year (14 postings with pay).

What is the highest-paying open job at CoStar Group?

Right now it is Principal Software Engineer at CoStar Group, with a stated $297k a year.

Does CoStar Group pay above the market?

CoStar Group pays about 15% below the market for the same roles, levels and countries. Each of 52 postings is compared with the median stated pay for its role, level and country across all employers on Alion; the middle ratio, drawn toward the market when few postings back it, gives the figure.

Does CoStar Group publish salaries in its job postings?

50% of the open jobs CoStar Group has on Alion state a salary: 65 of 129.

How to cite this page

Only pay an employer wrote in its own job advert is used, converted to US dollars a year; estimates are never mixed in. The figures are rebuilt twice a day from the vacancies open now.

These figures are published under a free licence. You may reuse them, including commercially, as long as you credit Alion and link back to this page.

CoStar Group salaries: median $100k across 64 job postings with pay. Alion, Oct 15, 2026, https://alion.io/company/costar/salaries

Licence: CC BY-SA 4.0