Analyzing 6,558,0166.6M ReviewsFor 18,17918.2K Experts

Experts Reviews · Company report
High Mark Construction logoHow the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%96+52.4Reliability 24%95+23Value 14%100+14.1Replies to reviews 7%60+4.2Experts Score= 94Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.94SCORE

High Mark Construction

Baltimore, MD · Grade ALetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #23Position by Experts Score among all companies we track in this category. of 37 roof cleaning · 5.0★ from 363 Google reviews

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Report card

Percentile vs other roof cleaning (100 = best)Each factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: craft & service and value; weakest: replies to reviews.

SatisfactionSatisfaction · 54% of the scoreRecency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.High Mark Construction is better than 96% of roof cleaning.A
96
ReliabilityReliability · 24% of the scoreHow rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.High Mark Construction is better than 95% of roof cleaning.A
95
Craft & serviceCraft & service · 0% of the scoreGoogle review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.High Mark Construction is better than 100% of roof cleaning.A
100
ValueValue · 14% of the scoreCustomers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.High Mark Construction is better than 100% of roof cleaning.A
100
MomentumMomentum · 0% of the scorePenalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.High Mark Construction is better than 100% of roof cleaning.A
100
Replies to reviewsReplies to reviews · 7% of the scoreHow often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.High Mark Construction is better than 60% of roof cleaning.B
60

Reviews for your job

Customers hired High Mark Construction for 8 kinds of job.

High Mark Construction for skylight installation

Clear ✕
Jobs reviewedHow many Google reviews are tagged with this job.3
★ on this jobAverage stars on the reviews where the customer tagged this exact job (Google’s “Services” field).5.00
Usually paidThe price range customers picked most often for this job.—
Rank for this jobPosition of this company in the Job match ranking for this job among the companies we track.Its Job match: 92/100.How Job match is calculatedBuilt only from reviews Google tagged “Skylight installation”:Stars on this job 55%Number of such jobs 25%Overall Experts Score 20%Stars are pulled toward the category average when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.#2 / 2
Said fairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”.100%

All 3 Google reviews tagged “Skylight installation”

Scott3 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 2 weeks ago★★★★★

Michael was amazing -he expertly guided us through every aspect of our project and kept us updated along the way. Professional and well versed at all aspect of roofing. I would not hesitate to work with Michael or HighMark on any project!!!

Great priceSkylight installationRoof installation
Magan6 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 7 months ago★★★★★

Scott C. provided us with the most excellent customer service from start to finish. He was very transparent about everything and was a huge help with our insurance company.

Skylight installationRoof installation
Tammy5 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 7 months ago★★★★★

I needed help. My roof was leaking and my neighbor recommended them. I got Matt. He was very professional and made things so easy. I have a brand new roof and I love it.

Great priceSkylight installationRoof installation

Price

Not enough reviews with a price yet.

Price verdictsGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.

Great price 69%Reasonable 30%Overpriced 0%Not sure 1%

Jobs customers hired them for

JobReviewsCategory typical
Roof installation156$11k–$18k
Roof repair10$784–$12k
Home repairs8—
Roof repair for storm & wind damage8$1.6k–$12k
Roof inspection8—
Window installation4—
Skylight installation3—
General construction3—

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