Home addition cost in Salt Lake City, UT
Local estimate from BLS wage data and BEA price levels. Reviewed Nov 4, 2026.
- Typical range (300 sq ft)
- $37,100 – $75,300
- Per sq ft
- $122 – $244
- before permit
- Versus US midpoint
- −2%
- US $57,500
- Rank of 300 metros
- #129
- 1 = most expensive
A home addition in Salt Lake City, UT usually costs $37,100 to $75,300 for 300 sq ft. That works out to about $122 to $244 per sq ft before permits. That is within a few percent of the national midpoint, so there is little local premium or discount. Carpenters earn a median of $28.78 an hour in the Salt Lake City area, 1% below the US median of $29.12.
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Estimated cost for 300 sq ft in Salt Lake City, UT, standard level
$48,600 to $63,800
About $159 to $208 per sq ft before permits. Labor is about 67% of the bill.
| Part | Low | High |
|---|---|---|
| Materials | $15,000 | $19,700 |
| Labor | $32,600 | $42,600 |
| Permits and fees | $960 | $1,550 |
| Total | $48,600 | $63,800 |
Cost breakdown for 300 sq ft in Salt Lake City, UT
| Part of the job | Low | Midpoint | High | Share |
|---|---|---|---|---|
| Materials | $11,600 | $17,400 | $23,100 | 31% |
| Labor | $25,100 | $37,600 | $50,100 | 67% |
| Permits and fees | $500 | $1,250 | $2,000 | 2% |
| Total | $37,100 | $56,200 | $75,300 | 100% |
Where the Salt Lake City price comes from
We price the labor side from BLS wage data for 6 trades: carpenters at 50%, cement masons and concrete finishers at 10%, electricians at 10%, plumbers, pipefitters and steamfitters at 10%, drywall and ceiling tile installers at 10%, roofers at 10%. Weighted together, Salt Lake City wages are 0.98 times the national level. Labor makes up about 67% of the midpoint estimate (67% at national prices).
Materials are scaled with BEA's regional price parity for goods. Salt Lake City is at 96.4 against 100 for the US, so a materials line of $18,000 nationally becomes $17,400 here (midpoint, 300 sq ft). Permits follow the all-items index of 100.9: $500 to $2,000.
Salt Lake City weather and the home addition calendar
Climate numbers on this page come from NOAA's 1991-2020 U.S. Climate Normals at the nearest suitable station, Salt Lake City Intl Ap (5 miles from the city center). They are 30-year averages, so any one year can run hotter, colder or wetter.
For digging, grading and setting material in the ground, the comfortable months in Salt Lake City are March through June and September through November: 7 of 12. Outside them, January, February and December have an average overnight low at or below freezing (32°F), and July and August have an average daytime high of 90°F or more.
In January, February and December the average low is at or below freezing, which means frozen ground and slower digging, compaction and sod or stone placement. NOAA counts about 112 days a year with a low at or below 32°F at this station.
Salt Lake City gets about 16 inches of precipitation in a normal year, including roughly 52 inches of snow. The wettest months are March, April and May (2.2 inches in April). Inside the workable window, June and September are the driest, at 0.9 and 1.1 inches. The station averages about 62 days a year at 90°F or above.
We do not adjust the estimate by month, because we have no reliable published data on seasonal pricing. It is still worth asking contractors whether an off-peak start date changes their bid.
| Month | Avg high °F | Avg low °F | Precip (in) | For this job |
|---|---|---|---|---|
| Jan | 39 | 24 | 1.4 | Cold |
| Feb | 45 | 29 | 1.3 | Cold |
| Mar | 55 | 36 | 1.8 | Workable |
| Apr | 62 | 42 | 2.2 | Workable |
| May | 73 | 50 | 1.8 | Workable |
| Jun | 84 | 59 | 0.9 | Workable |
| Jul | 94 | 68 | 0.5 | Hot |
| Aug | 92 | 67 | 0.6 | Hot |
| Sep | 81 | 56 | 1.1 | Workable |
| Oct | 66 | 44 | 1.3 | Workable |
| Nov | 51 | 33 | 1.3 | Workable |
| Dec | 39 | 25 | 1.4 | Cold |
What local crews earn in Salt Lake City
The labor line is built from BLS wage data, one trade at a time. This job draws on 6 trades. We compare each trade's local median with the US median, weight the ratios by how much of the job each trade does, and apply the blend to the national labor cost. For Salt Lake City the blend is 0.98.
Carpenters (47-2031), 50% of the weighting: a median of $28.78 an hour, in line with the US median of $29.12. The middle half of them earn between $22.83 and $31.00 an hour. About 6,420 work in the metro. That is 77.7 per 10,000 jobs, compared with 43.1 nationally, which suggests plenty of local crews to bid.
Cement masons and concrete finishers (47-2051), 10% of the weighting: a median of $29.20 an hour, 7% above the US median of $27.41. The middle half of them earn between $23.93 and $30.40 an hour. About 1,850 work in the metro. That is 22.4 per 10,000 jobs, compared with 13.3 nationally, which suggests plenty of local crews to bid.
For electricians (47-2111, weighted 10%) the local median is $30.11 an hour, which is in line with the national $30.38. The middle half of them earn between $23.56 and $38.55 an hour. BLS counts 5,710 of them working in the area, 69.1 for every 10,000 jobs (US: 48.7), so the local bench is deeper than average.
Plumbers, pipefitters and steamfitters (47-2152), 10% of the weighting: a median of $31.15 an hour, in line with the US median of $30.67. The middle half of them earn between $24.49 and $38.34 an hour. About 3,190 work in the metro. That is 38.6 per 10,000 jobs, compared with 30.0 nationally, which suggests plenty of local crews to bid.
For drywall and ceiling tile installers (47-2081, weighted 10%) the local median is $26.66 an hour, which is 6% below the national $28.33. The middle half of them earn between $23.22 and $29.99 an hour. BLS counts 990 of them working in the area, 12.0 for every 10,000 jobs (US: 5.3), so the local bench is deeper than average.
Roofers (47-2181), 10% of the weighting: a median of $23.18 an hour, 13% below the US median of $26.65. The middle half of them earn between $21.94 and $29.71 an hour. About 1,330 work in the metro. That is 16.1 per 10,000 jobs, compared with 8.7 nationally, which suggests plenty of local crews to bid.
A quick sensitivity check: moving the lead trade (carpenters) from the median to the 75th percentile wage adds about $1,450 to the midpoint estimate; the 25th percentile takes off about $3,900. That is a swing of roughly 7.0% to 2.6% of the total, which is useful for judging whether a bid reflects wages or something else, such as scope or margin.
Salt Lake City-Murray has 826,210 jobs in total (BLS, May 2025), ranking 37th by size among the 300 metros on this site.
| Trade | Weight | 25th pct | Median | 75th pct | US median | Ratio | Level used |
|---|---|---|---|---|---|---|---|
| Carpenters (47-2031) | 50% | $22.83 | $28.78 | $31.00 | $29.12 | 0.99 | metro |
| Cement masons and concrete finishers (47-2051) | 10% | $23.93 | $29.20 | $30.40 | $27.41 | 1.07 | metro |
| Electricians (47-2111) | 10% | $23.56 | $30.11 | $38.55 | $30.38 | 0.99 | metro |
| Plumbers, pipefitters and steamfitters (47-2152) | 10% | $24.49 | $31.15 | $38.34 | $30.67 | 1.02 | metro |
| Drywall and ceiling tile installers (47-2081) | 10% | $23.22 | $26.66 | $29.99 | $28.33 | 0.94 | metro |
| Roofers (47-2181) | 10% | $21.94 | $23.18 | $29.71 | $26.65 | 0.87 | metro |
| Blended | 100% | 0.98 | |||||
Why two Salt Lake City quotes can differ
Type of addition
A new room is $125-$250 per sq ft; a bump-out $85-$200; an attic conversion $50-$150; a garage conversion $50-$200 (HomeGuide).
Plumbing and fixtures
Adding a bathroom or kitchen drives the price up the most.
Permits
Construction permits run $500-$2,000, or $5-$21 per $1,000 of project cost (HomeGuide).
Planning more than one job in Salt Lake City?
Jobs that often go together with home addition are priced below at their usual sizes, using the same Salt Lake City wage and price inputs. Compared with national midpoints, detached garage comes out highest (−2%) and roof replacement lowest (−8%); the gap comes from the trades each job uses.
| Project | Size | Range | vs. US |
|---|---|---|---|
| Kitchen remodel | 120 sq ft | $17,900 – $30,500 | −3% |
| Bathroom remodel | 45 sq ft | $4,550 – $22,500 | −3% |
| Detached garage | 576 sq ft | $28,300 – $56,900 | −2% |
| Roof replacement | 2,000 sq ft of roof | $5,550 – $11,600 | −8% |
Is Salt Lake City cheap or dear? The local comparison
Contractors rarely work more than an hour or two from home, so the neighboring metros set a rough ceiling and floor for your quotes. Midpoints for 300 sq ft range from $50,200 to $56,200 across Salt Lake City and its five closest metros.
| Area | Range | Midpoint | vs. here |
|---|---|---|---|
| Salt Lake City, UTthis page | $37,100 – $75,300 | $56,200 | |
| Provo, UT60 miles | $34,600 – $70,200 | $52,400 | −7% |
| Ogden, UT70 miles | $34,400 – $69,800 | $52,100 | −7% |
| Logan, UT110 miles | $33,700 – $68,400 | $51,100 | −9% |
| Idaho Falls, ID210 miles | $34,500 – $69,900 | $52,200 | −7% |
| St. George, UT230 miles | $33,200 – $67,300 | $50,200 | −11% |
| Utah (statewide) | $35,000 – $71,100 | $53,000 | −6% |
| United States | $38,000 – $77,000 | $57,500 | +2% |
Out of the 300 metros we cover, Salt Lake City ranks #129 for the cost of this job (#1 is the most expensive). Statewide, Salt Lake City is 6% above the Utah figure.
Elsewhere in Utah
| Metro | Size | Range | Midpoint | vs. here |
|---|---|---|---|---|
| Provo, UT | 304,660 jobs | $34,600 – $70,200 | $52,400 | −7% |
| Ogden, UT | 271,370 jobs | $34,400 – $69,800 | $52,100 | −7% |
| St. George, UT | 90,500 jobs | $33,200 – $67,300 | $50,200 | −11% |
| Logan, UT | 66,800 jobs | $33,700 – $68,400 | $51,100 | −9% |
Metros of a similar size
Big cities and small ones price differently, so here is Salt Lake City against the 4 metros with the closest total employment.
| Metro | Size | Range | Midpoint | vs. here |
|---|---|---|---|---|
| Cleveland, OH | 1,031,130 jobs | $38,100 – $77,100 | $57,600 | +3% |
| Milwaukee, WI | 820,780 jobs | $40,500 – $81,900 | $61,200 | +9% |
| Sacramento, CA | 1,080,590 jobs | $42,800 – $86,700 | $64,700 | +15% |
| Jacksonville, FL | 765,930 jobs | $33,900 – $68,900 | $51,400 | −9% |
Pick a size, pick a tier: home addition pricing in Salt Lake City
The cited range is split into basic, standard and premium bands, then scaled to Salt Lake City. Bands overlap, because plenty of standard jobs cost as much as a light premium one. Sizes run from bump-out (100 sq ft) to large suite (600 sq ft).
Basic
$37,100 to $52,400
Bump-out or simple room without plumbing
Standard
$48,600 to $63,800
Standard room addition with HVAC and electrical
Premium
$60,000 to $75,300
Large addition with bath or kitchen and a new foundation
| Size | Basic | Standard | Premium |
|---|---|---|---|
| bump-out (100 sq ft) | $12,700 – $18,200 | $16,800 – $22,300 | $20,900 – $26,400 |
| 20x20 room (400 sq ft) | $49,300 – $69,500 | $64,400 – $84,600 | $79,500 – $99,700 |
| large suite (600 sq ft) | $73,800 – $103,500 | $96,200 – $126,000 | $118,500 – $148,500 |
Get 3 local quotes
Tell us about the job and we will try to connect you with up to three local contractors for written quotes. It is free and you are under no obligation to hire. Your estimate of $48,600 to $63,800 for Salt Lake City, UT is attached.
Detailed home addition report for Salt Lake City, UT, $9
The report lays out the home addition numbers for Salt Lake City, UT line by line, with the local wage and price inputs, permit and timing notes, a quote comparison sheet and the full method. Save your estimate above, preview page 1 free, and unlock the full report for $9 one-time, or get every report with CostLocal Pro.
Home addition in Salt Lake City: your questions
+How much does it cost to build a home addition in Salt Lake City?
For 300 sq ft, expect $37,100 to $75,300 in the Salt Lake City area. A standard-spec job lands at $48,600 to $63,800. Small jobs usually cost more per sq ft and large ones less.
+What is the price per sq ft for home addition in Salt Lake City?
About $122 to $244 per sq ft for materials and labor, plus $500 to $2,000 for the permit if one is needed. The US range is $125 to $250.
+Is home addition cheaper in Salt Lake City or Provo?
Provo is 60 miles away. The midpoint for 300 sq ft there is $52,400, which is 7% less than Salt Lake City ($56,200). Wage and materials indexes both feed that gap.
+How much of the bill is labor in Salt Lake City?
About 67% at the midpoint, or $37,600 out of $56,200. Materials are 31% and permits 2%. Nationally, labor is 67%.
+What would 20x20 room (400 sq ft) cost in Salt Lake City?
$49,300 to $99,700. Pick a different size in the estimator above to get your own number.
+Does home addition need a permit in Salt Lake City?
Often, but rules are set by your city or county building office, so call before you hire. Budget $500 to $2,000 for fees in the Salt Lake City area (our national range of $500 to $2,000 scaled by the local price level).
+Is Salt Lake City expensive for home addition compared with the rest of Utah?
Salt Lake City is 6% above the Utah statewide estimate ($53,000 at the midpoint). We cover 5 metros in Utah; see the state page to compare them.
+What do carpenters earn in Salt Lake City?
The BLS median is $28.78 an hour in the Salt Lake City area, compared with $29.12 nationally. The 25th to 75th percentile range is $22.83 to $31.00.
+What do basic and premium home addition work cost in Salt Lake City?
For 300 sq ft, basic work runs $37,100 to $52,400 and premium work $60,000 to $75,300. Basic means: bump-out or simple room without plumbing. Premium means: large addition with bath or kitchen and a new foundation.
+When is the best time to build a home addition in Salt Lake City?
Based on NOAA 1991-2020 normals, the comfortable months for this kind of work are March through June and September through November. June and September are typically the driest of those months. Local contractors' schedules matter as much as the weather, so book early for the busy months.
Home addition near Salt Lake City
Where these numbers come from
Base prices are national ranges from the sources below. We scale labor by local BLS wages, materials by BEA goods prices and permits by the BEA all-items price level. Full method on the methodology page.
- HomeGuide: How Much Does a Home Addition Cost? (2026) (accessed November 4, 2026)
- Cost to Renovate: Renovation Labor Report 2026: Where the Money Goes (accessed November 4, 2026)
- HomeGuide: 2026 Building Permit Costs | Fees & Cost Calculator (accessed November 4, 2026)
- BLS Occupational Employment and Wage Statistics, May 2025
- BEA Regional Price Parities, 2024
- NOAA NCEI U.S. Climate Normals, 1991-2020
Note on derived figures: Materials = 32% of the installed price, from Cost to Renovate's mid-range 'Structural' category split (56% labor, 32% materials, 11% permits and design). It is a category average rather than an addition-specific figure.