Top Roofing Companies in Portland
Roofing Cost in Portland
Local ranges, adjusted for area wage and cost-of-living data.
| Service | Typical range in Portland |
|---|---|
| Roof repair | $369–$1,661/job |
| Roof inspection | $92–$277/job |
| Roof replacement | $7,384–$20,306/job |
Roofing prices in Portland run about 8% below the national average, based on what this trade earns in the metro area — so neighbouring cities in the same metro see similar rates.
Quotes on this page come from 6 companies serving Portland, rated 5.0★ on average across 1,136 customer reviews.
Portland Climate & Seasonal Timing
What Portland's weather means for scheduling roofing.
- Last spring frost
- April 30
- First fall frost
- October 9
- Annual precipitation
- 47.25"
- Heating degree days
- 7,106
- Cooling degree days
- 360
| Month | Low | High | Precip |
|---|---|---|---|
| Jan | 13.4° | 31.2° | 3.38" |
| Feb | 16.4° | 34.6° | 3.25" |
| Mar | 24.9° | 42.1° | 4.24" |
| Apr | 34.7° | 53.3° | 4.32" |
| May | 44.2° | 63.5° | 4.01" |
| Jun | 53.6° | 73.2° | 3.79" |
| Jul | 59.4° | 78.8° | 3.61" |
| Aug | 58.2° | 77.7° | 3.14" |
| Sep | 50.3° | 70° | 3.69" |
| Oct | 38.9° | 58.7° | 4.87" |
| Nov | 30.9° | 48° | 4.93" |
| Dec | 20.4° | 37.3° | 4.02" |
NOAA station data 5.99 miles from Portland.
Permits & Regulations in ME
Permit typically required
- Maine does not license home contractors, roofers included
- Any home construction or repair contract over $3,000 must be in writing, signed by both parties, and include the Attorney General's required warnings
- Down payments on those contracts are capped at one-third of the total price
License required: No state license; written contract required over $3,000
Sources: www.maine.gov, legislature.maine.gov
Roofing FAQs for Portland
How much does roof repair cost in Portland?
Roof repair in Portland typically runs $369-$1661 per job.
Do I need a permit to replace a roof in Portland, ME?
In ME, Maine does not license home contractors, roofers included. Check with the Portland building department before work starts.
How many roofers serve Portland?
We track 6 roofing professionals serving Portland.
How much rain does a Portland roof take?
Portland averages 47.25 inches of rain a year, which is the load the flashing, valleys and underlayment actually have to handle.
How does Portland heat affect shingles?
Summer highs near 79F in Portland accelerate asphalt shingle aging, so roofs here often show granule loss earlier than the warranty term suggests.
Is roofing in Portland more expensive than the national average?
Roofing in Portland runs about -7.7% versus the national average.
Do Portland roofs face freeze-thaw damage?
With winter lows near 13F and 7,106 heating degree days, Portland roofs see enough cold cycling to make ice and flashing detail worth a look before winter.
When is the best time to reroof in Portland?
Asphalt shingles seal best in warm weather, so Portland crews generally aim to finish before the first frost around October 9.
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