General Contractor in Rosemead, CA
A general contractor in Rosemead works in a city incorporated in 1959 and almost fully built out, so most jobs are remodels on small lots. The City caps floor area at 0.35 and exterior paint at a 40 percent light reflective value, and soft ground is common. MDG Builders (CSLB #1040337) runs all eleven of its trades on Rosemead jobs.
Eleven Rosemead trade pages, each tied to the City's code
Each page reads Rosemead's municipal code, permit practice and housing stock against one trade and points to the source so you can check the wording yourself. Where the City's own documents disagree, the page says so and names whom to ask.

Kitchen Remodeling in Rosemead
Which kitchen finish work is exempt, what moves a job into permits, 1950s wiring, the energy code and rental or JADU kitchens in Rosemead.
See Rosemead kitchen remodeling →
Bathroom Remodeling in Rosemead
Where Rosemead's code separates a fixture swap from a permit job, what a median 1959 home hides in its walls, and City Hall's Monday to Thursday hours.
See Rosemead bathroom remodeling →
ADU Construction in Rosemead
Ordinance 995, a code that says two detached units where the City handout says eight, garage conversions, liquefaction soils and a 0 percent City loan.
See Rosemead ADU construction →
Room Additions in Rosemead
The 0.35 floor area ratio, a 75 percent second-floor cap, site plan review before plan check, liquefaction soils and the Alhambra Wash fault zone.
See Rosemead room additions →
Roofing in Rosemead
The reroof permit, the reflective roofing ban, a fire zone map that disagrees with itself, solar permits and 1950s roof decks in Rosemead.
See Rosemead roofing →
Windows in Rosemead
A permit code that never mentions window change-outs, bay and matching rules, 179 days a year at 80 F or hotter and a fire map that disagrees with itself.
See Rosemead window replacement →
Flooring in Rosemead
1950s tract floors, liquefaction-prone slabs, old vinyl and lead checks, garage parking rules and the permit question to ask before new flooring.
See Rosemead flooring →
Painting in Rosemead
The 40 percent light reflective value cap on exterior color, no painting permit, EPA lead-safe rules for older homes and stucco prep in Rosemead.
See Rosemead painting →
Concrete in Rosemead
Front yard paving limits, driveway width, apron permits, wall rules, liquefaction-prone soil and what flatwork costs in Rosemead.
See Rosemead concrete work →
Decks in Rosemead
Open permit questions, rear yard and patio cover rules, a small mapped fire zone, soft soils, guard height and deck costs in Rosemead.
See Rosemead deck building →
Fencing in Rosemead
The Planning fence permit, three conflicting building-permit answers, the 4 foot front yard cap, the chain-link ban and oak trees in Rosemead.
See Rosemead fencing →Why do Rosemead's 1950s tracts, paint cap and shaky soil change a remodel?
Rosemead is a city of one decade. Leonard and Amanda Rose's horse ranch, Rose's Meadow, covered about 600 acres between today's Rosemead Boulevard and Walnut Grove Avenue and gave the town its name. Small farms and chicken and rabbit ranches filled in around it, and then tract builders arrived. The city became a city on August 4, 1959 with 15,476 residents and held 40,972 when the 1970 Census came. The Census Bureau's ACS 5-year tables for 2020 to 2024 (the 5-year series, because the 1-year series skips places under 65,000) count 15,447 housing units and a median year built of 1959. About 26.5 percent date from the 1950s alone, 77.4 percent predate 1980, 72.2 percent are detached houses and renters hold 52.7 percent of occupied homes. The Housing Element calls the city almost completely built out, so the work is usually a kitchen remodel or bathroom remodel around original plumbing and wiring, new flooring over a 1950s slab, replacement windows, or extra space squeezed onto a 6,000 square foot lot.
Permits begin at the Building and Safety Division of the Community Development Department, at City Hall, (626) 569-2130. Applications, payments and inspection requests run through the City's online Land Use and Permit Portal, and City Hall keeps Monday to Thursday hours. Planning shares the department at (626) 569-2140, and its Site Plan and Design Review comes before a building permit (RMC 17.136.020): staff decide houses and additions under 2,500 square feet of living area, new front-yard fences, patio covers, pools and accessory buildings, and the Planning Commission takes larger projects. The building code is the 2025 California Building Code as amended by the 2026 Los Angeles County code. An owner spending $10,000 or more on a building, addition or repair must also close unused driveway openings and plant street trees before the certificate of occupancy (RMC 15.04.040). We read the municipal code on the gocodebook.com mirror, current through Ordinance 1030 of January 13, 2026, because the City's own publisher blocked our tools, so confirm any section with the City before relying on it. Fee amounts are left out here; ask the City for its current schedule.
The single-family rulebook is where Rosemead parts ways with its neighbors. R-1 and R-2 lots carry a 0.35 floor area ratio and a second floor held to 75 percent of the first, the envelope every room addition must fit. Exterior paint may not exceed a 40 percent light reflective value and reflective building materials are prohibited, so house painting and any new roof begin as color and material choices. Front-yard fences and hedges stop at 4 feet, chain-link is banned where the street can see it, and the code gives three different permit answers, which the fence page untangles. Paving may cover no more than half of the front and side yards visible from the street, the limit behind any concrete job. Patio covers and accessory buildings over 120 square feet go through site plan review too, and the deck page shows where a deck falls. ADUs follow Ordinance 995 (RMC 17.30.190) and are approved administratively, so ADU construction is realistic on many lots, though the code allows two detached units on a multifamily lot while the City's 2026 handout says up to eight. The code also names a Design Overlay Zone, a mixed-use overlay, a Freeway Corridor overlay along Interstate 10 and a Garvey Avenue Specific Plan. Parcel maps were unreadable in our sources, so we name no overlay parcel and no historic district.
The ground and the weather finish the list. The State's liquefaction layer, carried on the County's GIS server, flagged about two thirds of the points we sampled, and the Alhambra Wash fault, a trace of the Whittier fault, crosses the city inside an Alquist-Priolo zone, so slabs, additions and ADUs often begin with a geotechnical report. Fire maps are not simple here: the 2022 Public Safety Element says Rosemead has no Very High zone, RMC 17.29.010 adopts the State map as showing moderate, high and very high areas, and the County's CAL FIRE layer shows only a sliver at the south tip near the Montebello Hills. Ask which reading governs your parcel. NOAA's 1991 to 2020 normals from a station about 1.5 miles away show 15.67 inches of rain, most of it falling between December and March, and 64.5 days a year of 90 degrees F or hotter. Construction noise is exempt only before 8:00 p.m. and after 7:00 a.m. on weekdays and Saturdays, and never on Sundays or federal holidays (RMC 8.36.030). On our side, MDG Builders holds general contractor license CSLB #1040337 and takes the job from scope to final walkthrough: drawings, filings, scheduling the licensed specialty subcontractors, and a closing inspection with you. License numbers and insurance certificates for those subcontractors are yours on request. Two articles explain the arrangement, how general contractors use subcontractors and how to check a contractor license, and the closest hubs are El Monte, Monterey Park and Montebello.

- Rosemead incorporated on August 4, 1959, and 77.4 percent of its homes predate 1980.
- Exterior paint on R-1 and R-2 homes is capped at a 40 percent light reflective value.
- Single-family lots are held to a 0.35 floor area ratio, with upper floors at 75 percent of the first.
- Our sampling of the State's liquefaction layer flagged roughly two thirds of the city.
- Front-yard fences and hedges stop at 4 feet, and chain-link is banned in view of the street.
- NOAA normals for a station 1.5 miles away show 64.5 days a year of 90 degrees F or hotter.
Cities near Rosemead we also build in
Rosemead contractor and permit questions, answered first
Does a Rosemead remodel need a licensed contractor?
Usually yes. The City's contractor guidance tells owners to check the state license, ask whether the job needs a permit and be suspicious if a contractor asks the owner to pull it. The City's permit worksheet also asks for the contractor's CSLB license number, type and expiration plus workers' compensation details.
Who issues a building permit for a Rosemead remodel?
The Building and Safety Division of Community Development issues it, through the online Land Use and Permit Portal, after Planning's site plan and design review where that applies. City Hall's listed hours run Monday to Thursday, 7 a.m. to 6 p.m., with payments processed by 5:30 p.m. Call (626) 569-2130 to confirm.
Is my Rosemead house in a fire hazard zone?
The City's documents give three readings, so ask about your parcel. The 2022 Public Safety Element says there are no Very High zones, RMC 17.29.010 adopts the State map showing moderate, high and very high areas, and the County's CAL FIRE layer shows only a sliver at the south tip. Building and Safety can name your zone.
Does a Rosemead fence need a permit, and how tall can it be?
Yes for a zoning fence permit, and the building permit answer depends on who you ask. Municipal Code 17.68.020 requires a fence permit for new or replacement residential fences, the building code exempts most fences up to 6 feet, and the City's FAQ asks for a building permit above 42 inches. Front yards stop at 4 feet.
How many ADUs can I build on a Rosemead lot?
On a lot with one house, the code allows one new detached ADU plus one junior ADU, or one attached unit inside the home or an existing accessory structure. Multifamily lots are unclear: the code text allows two detached units, while the City's 2026 handout says up to eight. Planning at (626) 569-2140 settles it.
What color can I paint my Rosemead house?
On R-1 and R-2 lots, exterior paint may not exceed a 40 percent light reflective value, so very pale whites and creams can fail. Reflective building materials are prohibited too. If the house was built before 1978, a paid job that disturbs paint also falls under EPA's lead-safe renovation rule, which applies to most Rosemead homes.
Do I need a soils report for an addition in Rosemead?
Often, but the City decides. The Public Safety Element says the City will tell applicants for heavy structures or buildings over two stories early that liquefaction is a concern where historic groundwater is shallower than 30 feet. Projects for human occupancy inside the Alhambra Wash fault zone also need a geologic investigation by a registered geologist.
Is my Rosemead home in a historic district or an overlay zone?
We found no historic district or homeowner association overlay for ordinary single-family homes in the sources we read, and we name no parcel. The code does list a Design Overlay Zone, a mixed-use overlay and a Freeway Corridor overlay along Interstate 10. Parcel maps were unreadable, so ask Planning at (626) 569-2140.
Planning a Rosemead project? Start here
Tell us the street and the job. Before we call back, we check how the lot is zoned and what the State soil and fire maps show for it, then explain which Rosemead reviews your scope is likely to meet.