River Valley Construction

Active in Frederick County
4
Permits on record
Apr 2026
First seen
Jun 2026
Last active
$1.5M
Assessed value worked on, across 3 properties

Trade activity

Deck & Patio 3
Structural 1

Permits by year

2026 4

Properties they work on

1999
Median year built
$554K
Median assessed value
100%
Single-family
100%
Owner-occupied

Property profile is based on 3 matched county property records.

Recent permits

DateCountyTypeDescription
Jun 19, 2026 Frederick County Residential Use Permit (Addition, Alteration, Accessory) for existing dwellings Turnkey install of 16x30 Family room addition on a basement foundation.
May 13, 2026 Frederick County Residential Use Permit (Addition, Alteration, Accessory) for existing dwellings Wood deck 320 sf with 5 rise L shaped steps, gable covered deck
Apr 28, 2026 Frederick County Residential Use Permit (Addition, Alteration, Accessory) for existing dwellings Rear covered patio, 12x21 partial enclosed with open air screened panels and a brick knee…
Apr 28, 2026 Frederick County Residential Use Permit (Addition, Alteration, Accessory) for existing dwellings Construct new 16x55 addition and new 14x21 carport added to existing house. Screened porc…

Contractors working in Frederick County see new permits in their service area the week they are filed, with property details attached.

See how it works

Source: county permit records. Updated monthly. Not every filing names a contractor, so these counts are a floor; actual permit activity is usually higher.