Permit record · Maryland
What Montgomery County paid for a deck or patio
Not an estimate. We read 2,165 permits filed with Montgomery County and took the value written on each one.
Half of these jobs landed between $7,800 and $30,000. One in ten came in under $4,765; one in ten ran past $62,371.
The same job, other cities
| City | Median | Typical range | Permits |
|---|---|---|---|
| Montgomery County, MD | $15,640 | $7,800 – $30,000 | 2,165 |
| Marin County, CA | $40,000 | $21,727 – $60,000 | 172 |
| New York, NY | $30,000 | $15,000 – $64,840 | 1,078 |
| Chicago, IL | $28,000 | $15,000 – $65,000 | 991 |
| Raleigh, NC | $28,000 | $15,000 – $46,137 | 658 |
| Austin, TX | $25,000 | $10,000 – $45,750 | 30 |
| Seattle, WA | $20,000 | $10,142 – $41,947 | 266 |
| San Francisco, CA | $18,000 | $8,000 – $35,000 | 1,059 |
| New Orleans, LA | $15,064 | $5,000 – $36,764 | 185 |
| Kansas City, MO | $14,934 | $7,327 – $31,000 | 247 |
| Detroit, MI | $14,641 | $8,500 – $19,875 | 26 |
| Sacramento, CA | $14,534 | $9,000 – $27,000 | 136 |
| Everett, WA | $10,712 | $7,775 – $24,385 | 68 |
| Los Angeles, CA | $10,000 | $5,000 – $33,250 | 2,292 |
| Anaheim, CA | $8,000 | $5,000 – $15,569 | 194 |
| Corona, CA | $5,375 | $3,928 – $8,786 | 95 |
Across the cities we cover, the same job runs from $5,375 in Corona to $40,000 in Marin County — a 7.4× spread. See all cities →
Other projects in Montgomery County
| Project | Median | Permits |
|---|---|---|
| Solar Panels | $24,000 | 3,315 |
| Kitchen Remodel | $62,950 | 956 |
| Home Addition | $110,700 | 851 |
| Bathroom Remodel | $27,182 | 636 |
| Roof Replacement | $30,000 | 234 |
| Swimming Pool | $100,000 | 233 |
| Garage | $30,000 | 218 |
| Interior Remodel | $84,500 | 90 |
| ADU / Guest House | $65,000 | 61 |
Source
Source: Montgomery County MD — Commercial and Residential Building Permits. Permits issued in the last 24 months, classified by the work described on the permit. The figure is the declared value of the work — what the applicant reported to the city. It excludes work done without a permit and can sit below a final invoice. Read the full methodology. Data refreshed 2026-09-24.