







A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateFast, Reliable Room Addition Contractor Across Citrus Heights
Adding a room in Citrus Heights usually means one of two things: converting an attached garage on a 1950s – 1970s ranch, or building out over an existing slab to grab extra square footage. Either way, the old wiring, old slabs, and code triggers hiding inside those walls change the real price. At Benson ADU Sacramento, we start every Citrus Heights room addition with an inspection first, then a written price before any work starts. Call (279) 254-1808 to schedule your free estimate and get the actual number, not a verbal guess.

Why Benson ADU Sacramento Is Citrus Heights’s Preferred Room Addition Contractor Company

We’ve spent enough time inside Citrus Heights homes to know what a 1960s ranch actually looks like behind the drywall. That matters because a room addition here isn’t just framing and drywall, it’s discovering what the original builder left behind. Homeowners around San Juan Avenue, Greenback Lane, and Sylvan Corners keep us busy because we write what we find into the contract before framing starts, not as a surprise after the drywall comes off.
Troy Eastman leads our Sacramento-based team, and his approach is simple: inspect first, price honestly, and put every allowance in writing. We carry background-checked, uniformed crews to every Citrus Heights job site, and a live person answers the phone around the clock. No voicemail loops when you call to ask about your addition.
Our customers in Citrus Heights also get the 365-Day Done Right Promise stamped on every project. If something isn’t right within a full year, we come back and make it right. That’s not a verbal commitment; it’s in writing.
Room Additions in Citrus Heights
Room Additions in Citrus Heights typically involve converting an attached garage into living space or extending off the back of a mid-century ranch. The city’s zoning pattern makes garage conversions especially common: many homeowners have already turned their carport into a third garage, so the original attached garage becomes available for living space without the city requiring additional parking, provided off-street parking remains on the lot. A standard room addition in Citrus Heights generally runs $95,000 – $165,000 depending on size, foundation condition, and whether the existing slab needs waterproofing or structural upgrades.
What We Check Before Framing
Before we quote, we open a section of the exterior wall along the slab line. That tells us whether the original 1950s concrete has a vapor barrier underneath, whether the footing is deep enough, and whether the existing wiring can support code-required circuits. This inspection is what keeps your written price from shifting later.
Code Upgrades Are Part of the Number
Citrus Heights permits often trigger a service panel upgrade, shear wall nailing, or a drain line scope once walls are open. We build those as allowance line items in the contract, priced and signed off before we touch the framing. You’ll know the cost of a panel swap before we buy the panel.
Modular Home Addition in Citrus Heights
Modular Home Addition in Citrus Heights gives homeowners a faster path to added square footage without the months-long disruption of full site-built construction. Because many Citrus Heights lots exceed 0.2 acres, there’s room to crane a prefabricated module into place behind an existing ranch. Modular additions here typically run $120,000 – $210,000, depending on the floor plan, foundation work, and the number of modules. We build with brands like Abodu, Cover, and Dvele, so you can research the product independently before signing anything.
Site-Built vs. Modular in Citrus Heights
Site-built additions let us work around awkward existing footings and irregular lot lines. Modular gives you a factory-controlled build and a shorter on-site schedule. On the older slabs common in Citrus Heights, a modular addition still requires a proper foundation, under-slab insulation, and a tie-in to existing utilities, which we scope and price before the module arrives.

Why Homeowners Choose Modular
You’ll get a fixed scope, factory QA, and a faster municipal inspection cycle in many cases. We handle the permitting, foundation, and utility connections in Citrus Heights regardless of which brand you choose. The written price covers everything from the crane day to the final touch-up.
Trusted Brands We Service in Citrus Heights
We’re authorized to build with Abodu, Cover, and Dvele, among other prefab and materials partners. That means you’re not stuck with a take-it-or-leave-it single product. When you work with our Room Addition Contractor team, you’ll get curated options you can research yourself, each with a fixed written price that includes delivery, foundation, utilities, and finish work. For Citrus Heights customers, we keep the ordering process simple and the schedule realistic. We handle the brand coordination so you don’t have to chase a manufacturer on your own.
Common Room Addition Contractor Problems We See in Citrus Heights Homes
- Failed waterproofing on the existing slab. On 1950s and 1960s ranches along Sunrise Boulevard and Old Auburn Road, the original slab often has no vapor barrier. When a contractor opens the exterior wall and finds damp drywall, the repair becomes a change order. We check for this before quoting.
- Undersized footings under the old concrete. Original footings on Citrus Heights slabs were rarely engineered for added living space with today’s code requirements. If drain lines or rebar were never scoped, the discovery comes mid-project and the homeowner pays for saw-cutting. We scope before we quote.
- 100-amp panels that can’t handle a new mini-split. A new room’s HVAC, lighting circuits, and code-required GFCI outlets often exceed what a 1950s panel can carry. The permit gets held up until a service upgrade is added. We write the panel allowance into the contract up front.
- Garage conversions without egress or fire separation. Turning a garage into a bedroom or family room triggers fire-rating requirements on the wall shared with the house, plus egress windows. Skip those and the final inspection fails. We handle that from the first plan set.
Pricing for Room Addition Contractor in Citrus Heights, CA
A room addition in Citrus Heights runs $95,000 – $210,000 depending on whether you’re converting an attached garage, building a site-built extension, or placing a modular unit. Garage conversions on mid-century ranches tend to land at the lower end, while modular additions with new foundations run higher. What moves the number: slab condition, panel capacity, shear wall work, waterproofing, and whether your existing carport already satisfies the city’s off-street parking requirement. With Benson ADU Sacramento, every estimate is a written price with allowance line items for the unknowns. Call (279) 254-1808 and we’ll send someone to inspect before we quote.
We Also Serve Cities Near Citrus Heights
Our crews serve Citrus Heights and regularly work in Fair Oaks, Antelope, Granite Bay, and Elverta. The same inspection-first, written-price approach applies in every one of those cities. If you’re just over the line in one of those areas, call (279) 254-1808 and we’ll come take a look.
Serving Citrus Heights, CA - Our Local Coverage Area
We’re based in the Citrus Heights area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Room Addition Contractor in Citrus Heights
Citrus Heights allows garage conversions without requiring additional parking if the lot already has maintained off-street parking, which is why the carport-to-third-garage pattern works so well here. Many homeowners convert the carport first, then the original attached garage becomes living space. Call (279) 254-1808 and we’ll review your lot’s parking setup as part of the free estimate.
Opening walls in a Citrus Heights home built between the 1950s and 1970s usually triggers a service panel upgrade, shear wall nailing retrofit, and GFCI/AFCI circuit requirements. Older slabs may also trigger a footing inspection or waterproofing repair. We write these as allowance line items so you see them in the written price before work starts.
Yes, in many Citrus Heights cases the existing carport satisfies the city’s off-street parking requirement, which allows the attached garage to become living space. We’ll confirm your specific lot’s status during the inspection. Call (279) 254-1808 to schedule a free estimate and lot review.
We inspect first, before quoting. On a 1962 ranch near San Juan Avenue, our crew opened up an attached garage for a room addition and found original cloth-wrapped wiring and a slab with zero vapor barrier under the old concrete. The permit triggered a service panel upgrade and shear wall nailing retrofit, which we had anticipated with an allowance line item in the contract. Every change was priced and signed off before we touched the framing. That’s how we handle Citrus Heights surprises: find them early, price them up front.
Yes, converting an attached garage to living space in Citrus Heights requires fire-rated separation on walls shared with the house, plus egress windows and proper ventilation. We handle those requirements in the plan set and the written price. Call (279) 254-1808 for an exact quote, estimates are free.
Written by Troy Eastman, Owner at Benson ADU Sacramento, serving Citrus Heights since 2006.




