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Historic HomesBy Anthony Grynchal5 min read

Garages, Sheds, and the Other Buildings on a Historic Lot

Detached garages and outbuildings are part of a historic property. What they tell you, why they are demolished first, and what to ask before you touch one.

Front entry of an older Spanish-style Claremont ranch with a tile roof and arches

Everybody protects the house. Almost nobody thinks about the small building at the back of the lot.

That is a mistake, and it is the reason so few original outbuildings survive. Garages, sheds, workshops, wash houses, and the odd unclassifiable structure are demolished casually, because they read as storage rather than as architecture.

They are architecture. They are also evidence, and on a property with any historic character they are frequently part of what makes the whole thing legible.

What a detached garage tells you

Look at its dimensions. Early automobile-era garages are small, because early cars were small. A garage that cannot hold a modern vehicle is not a defect; it is a date stamp.

Look at how it is built. Does it repeat the roof form, siding, and trim of the house? Matching outbuildings usually indicate they were built as a set, which tells you something about the original owner and the original plan for the property.

Look at where it sits and how you reach it. A garage at the back of a lot with a long driveway down the side belongs to an era before attached garages fronted the street. That arrangement is a big part of why the older streets look the way they do, with houses rather than garage doors facing you.

Look for the leftovers of earlier uses. A structure that predates the car may have been built for something else entirely and adapted. Framing, door openings, and floor materials will often tell that story if you look at them properly.

Why they disappear

Because they are the easiest thing on the property to argue away.

They are usually the least maintained structure, so their condition is genuinely worse. They are too small for modern use. They sit exactly where somebody wants a bigger garage, a pool, or an accessory dwelling. And there is rarely any emotional attachment to a shed.

Add those together and the outbuilding is almost always first on the demolition list, long before anybody would consider touching the house.

Before you touch one, ask

This is the part people skip, and it is the part that matters.

Demolition of any structure may be regulated, and the rules that apply to a property with historic character can be different from the rules on an ordinary parcel. Whether a specific accessory structure is covered, whether it is treated as part of a designated property, and what process applies are all questions for the City of Claremont, about your specific address.

Ask before you get a quote, not after. The general shape of how demolition is handled on older properties is discussed in the demolition piece, but the answer for your parcel comes from the City.

Also ask what applies if you want to build something new back there instead. Setbacks, height, coverage, parking, and any design review all interact, and the answer differs by parcel.

The case for keeping it

A period-appropriate outbuilding does three things a new one cannot.

It completes the property. A historic house with its original garage still standing reads as an intact property rather than a surviving fragment. That is worth real money to the buyer who wants exactly this kind of house, and it is precisely the sort of thing worth describing when you sell, as argued in telling a home's story.

It is usually salvageable. Small simple structures are cheap to stabilise compared with anything on the house. A new roof, a new sill plate, some siding repair, and a small building that looked hopeless is fine for another fifty years.

It is genuinely useful. A workshop, a studio, an office, or storage. The building does not have to hold a car to earn its place, and adapting it to a new use is often far less work than replacing it.

If you adapt one

Apply the same principles you would apply to the house. Keep the roof form and the massing, because those are what make it read correctly from the street and from the house. Keep original openings where you can, and where new openings are needed, put them where they do the least damage to the visible elevations.

New windows, insulation, and services can usually go in without changing what the building looks like. And keep the record of what you did, which is the habit set out in documenting the house.

Do not forget the spaces between

The driveway, the walkways, the fences, the walls, and the mature planting are also part of the property. An original walkway material or a mature tree can be as character-defining as any built element, and trees in particular may carry their own protections, which is the subject of the heritage landscape piece.

Maintaining a small building nobody looks at

Outbuildings fail for one reason above all others, and it is the same reason every time. Nobody goes in there.

A roof leak on a house announces itself within days because somebody is standing under it. The identical leak on a shed runs quietly for eleven years, rots the framing, wets the sill plate, and by the time anybody notices, the structure genuinely is beyond economical repair. Then it gets demolished, and everyone concludes it was too far gone, which was true by then and was not true at the start.

Put the back building on the same seasonal walk you give the house. Look at the roof, the base of the walls, and the ground draining away from it. Twenty minutes twice a year is the entire maintenance programme, and it is the difference between a building that survives another fifty years and a demolition permit.

The honest summary

The little building at the back is part of the house's story, and it is the part most likely to be lost without anybody deciding to lose it.

Before you knock it down, ask the City what applies, get somebody competent to tell you honestly whether it can be saved, and consider whether the property is better with it than without it. Very often the answer is obvious once the question is actually asked.

More across the whole subject in the historic homes hub. Anthony Grynchal has been licensed in California since November 2009.

Frequently asked questions

Do demolition rules cover a detached garage?

They may. Rules for accessory structures on properties with historic character can differ from those on ordinary parcels. Ask the City of Claremont what applies to your specific address before scheduling any work.

My old garage is too small for a car. Is it worth keeping?

Often yes. Small simple structures are comparatively cheap to stabilise and adapt, and a workshop, studio, or storage building earns its place without holding a vehicle.

How do I know if the garage is original to the house?

Look for repeated roof form, siding, and trim details, and check the scale against the automobile era it would have served. Documentary research and permit history can confirm it.

Can I build an accessory dwelling where the old garage stands?

That depends on setbacks, coverage, height, and any design review that applies to your parcel, and on what demolition rules cover the existing structure. Confirm all of it with the City before you design.

Anthony Grynchal, Mr. Claremont, in the Claremont Village

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Anthony Grynchal

Anthony Grynchal is a California real estate professional with eXp Realty, licensed since November 2009 (California DRE# 01873626), and the Designated Local Expert™ for Claremont — where he has lived for more than 33 years.

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