# Room Additions San Diego

> Second-story, single-story and primary suite room additions in San Diego


## Pages

- [Thanks, your request is in](https://sandiegoroomadditions.com/thank-you/): A licensed San Diego general contractor will review your project and get back to you by phone or email.
- [Terms of Use](https://sandiegoroomadditions.com/terms-of-use/): These terms are provided for transparency. They are not legal advice and should be reviewed by a qualified attorney.
- [Privacy Policy](https://sandiegoroomadditions.com/privacy-policy/): This policy is provided for transparency about how this website handles information. It is not legal advice and should be reviewed by a qualified attorney.
- [Second-Story Additions in El Cajon](https://sandiegoroomadditions.com/areas-we-serve/el-cajon/): El Cajon sits in a valley bounded by foothills, and its population jumped more than sixfold during the 1950s. Summers here run far hotter than on the coast.
- [Second-Story Additions in Santee](https://sandiegoroomadditions.com/areas-we-serve/santee/): Santee's population more than doubled during the 1970s, and hills close in on the city's north and west sides.
- [Room Additions in Poway](https://sandiegoroomadditions.com/areas-we-serve/poway/): Poway lots run from 4,500 sq ft tract parcels to rural acreage with horse corrals, and the setbacks scale with them.
- [Room Additions in La Mesa](https://sandiegoroomadditions.com/areas-we-serve/la-mesa/): La Mesa's single-family zones carry a height limit that surprises people who have only built in San Diego.
- [Room Additions in Escondido](https://sandiegoroomadditions.com/areas-we-serve/escondido/): Escondido runs its own building division, its own zoning code and its own fee guide.
- [Second-Story Additions in Coronado](https://sandiegoroomadditions.com/areas-we-serve/coronado/): Coronado's single-family code is built around the second floor.
- [Room Additions in Encinitas](https://sandiegoroomadditions.com/areas-we-serve/encinitas/): Encinitas caps most single-family houses at 22 ft, measured to the top of a flat roof or to the roof just above the walls of a pitched one.
- [Second-Story Additions in Carlsbad](https://sandiegoroomadditions.com/areas-we-serve/carlsbad/): In Carlsbad the roof shape sets the height limit.
- [Room Additions in Oceanside](https://sandiegoroomadditions.com/areas-we-serve/oceanside/): Oceanside's inland single-family zone allows a taller house than most of the county, but two older neighborhoods near the coast are held to two stories or 27 ft.
- [Room Additions in Chula Vista](https://sandiegoroomadditions.com/areas-we-serve/chula-vista/): Chula Vista writes its own zoning and runs its own plan check.
- [Second-Story Additions in Allied Gardens & Del Cerro](https://sandiegoroomadditions.com/areas-we-serve/allied-gardens-del-cerro/): Allied Gardens is a 1950s ranch tract built out in about four years, and Del Cerro climbs the hills above it toward Mission Trails.
- [Room Additions in Kensington & Talmadge](https://sandiegoroomadditions.com/areas-we-serve/kensington-talmadge/): These two residence parks were planned as showpieces in the 1910s and 1920s, with curving streets, entry gates and architect-designed Spanish Revival homes.
- [Room Additions in Mira Mesa](https://sandiegoroomadditions.com/areas-we-serve/mira-mesa/): Mira Mesa went from almost nothing to more than ten thousand homes in under a decade.
- [Room Additions in North Park](https://sandiegoroomadditions.com/areas-we-serve/north-park/): North Park has seven designated historic districts with more in the pipeline, and its 1910s and 1920s bungalows were never built to have a second floor dropped on top.
- [Second-Story Additions in Point Loma](https://sandiegoroomadditions.com/areas-we-serve/point-loma/): The whole peninsula sits west of I-5, so every addition here starts with the voter-approved 30 ft coastal height limit.
- [Second-Story Additions in Clairemont & Bay Park](https://sandiegoroomadditions.com/areas-we-serve/clairemont/): Clairemont was built fast, mostly as one-story ranch houses, and it has its own height rule.
- [Get a Free Room Addition Estimate](https://sandiegoroomadditions.com/get-a-quote/): Tell us what you want to add: a second story, a room off the back, a primary suite or a room over the garage.
- [Room Addition Questions from San Diego Homeowners](https://sandiegoroomadditions.com/room-addition-faq/): Costs, permits and timelines each have their own guide.
- [Room Addition Contractors Across San Diego & the County](https://sandiegoroomadditions.com/areas-we-serve/): The permit desk is the same for every address in the City of San Diego.
- [Home Addition Timeline in San Diego, Stage by Stage](https://sandiegoroomadditions.com/room-addition-process-timeline/): Most of the calendar on a San Diego addition passes before the first footing is dug.
- [Room Addition Permits in San Diego: The Complete Guide](https://sandiegoroomadditions.com/room-addition-permits-san-diego/): One page for every rule that decides whether your addition can be built and how long the City takes to say yes: which bulletin applies, how big and how tall you can go in an RS zone, the 30 ft coastal height limit, coastal and historic review, fire zones, sprinklers and the energy code.
- [Room Addition Cost in San Diego (2026)](https://sandiegoroomadditions.com/room-addition-cost-san-diego/): Pick the kind of addition, set the size and finish level, and the calculator below gives an all-in range with each line shown: construction, design and engineering, City of San Diego permit fees, the school fee, temporary housing when you would have to move out, and contingency.
- [Build Up or Build Out? A San Diego Decision Guide](https://sandiegoroomadditions.com/build-up-or-build-out-san-diego/): Adding the same 500 sq ft can cost $150k or more extra upstairs than on the ground, yet going up is still the right call on many San Diego lots.
- [Second-Story Addition Over a Garage in San Diego](https://sandiegoroomadditions.com/addition-over-garage-san-diego/): A bedroom suite over the garage adds a floor without taking the roof off the part of the house you live in.
- [Primary Suite Additions in San Diego](https://sandiegoroomadditions.com/primary-suite-addition-san-diego/): A primary suite, still called a master suite by most people, is the addition San Diego owners ask about most once the kids get bigger or a parent moves in.
- [Single-Story Room Additions and Bump-Outs in San Diego](https://sandiegoroomadditions.com/single-story-room-addition-san-diego/): Building out instead of up is the simplest way to add a room to a San Diego house.
- [Second-Story Addition Cost in San Diego (2026)](https://sandiegoroomadditions.com/second-story-addition-cost-san-diego/): Prices by size from 500 to 1,400 sq ft, the full list of what goes into one, and why San Diego quotes for the same project can be hundreds of dollars per square foot apart.
- [Second-Story Additions in San Diego](https://sandiegoroomadditions.com/second-story-addition-san-diego/): A second story doubles the house without giving up any yard, and it is the most rule-heavy addition you can build in this city.
- [Room Additions in San Diego](https://sandiegoroomadditions.com/): For San Diego homeowners who need more room and want to stay put.


[comment]: # (Generated by Hostinger Tools Plugin)